Abstract

A radiation curable inkjet ink comprising a polymerizable compound, a phenolic resin and a thermal cross-linking agent, characterized in that the phenolic resin includes at least one structural moiety according to Formula I, Formula I wherein L represents a divalent linking group having no more than 10 carbon atoms; n represents 0 or 1; R1 and R2 independently from each other represent a group selected from the group consisting of a hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted (hetero)aryl group and a substituted or unsubstituted alkoxy group. A radiation curable inkjet ink comprising a polymerizable compound, a phenolic resin and a thermal cross-linking agent, characterized in that the phenolic resin includes at least one structural moiety according to Formula I, Formula I wherein L represents a divalent linking group having no more than 10 carbon atoms; n represents 0 or 1; R1 and R2 independently from each other represent a group selected from the group consisting of a hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted (hetero)aryl group and a substituted or unsubstituted alkoxy group.

IPC Classes  ?

• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/103 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes

Abstract

A method of preparing a reinforced separator comprising the steps of:—providing a porous support (6) on a pre-wetted casting drum (23);—applying a dope solution (3) including a polymer resin and hydrophilic inorganic particles on a side of the porous support other than the side of the porous support in contact with the pre-wetted casting drum;—performing phase inversion (9, 1) of the applied polymer solution thereby obtaining a reinforced separator; and—removing the reinforced separator (7) from the casting drum; wherein the casting drum is pre-wetted with a non-solvent for the polymer resin.

IPC Classes  ?

• B29C 41/26 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
• C25B 13/08 - Diaphragms; Spacing elements characterised by the material based on organic materials
• C25B 13/05 - Diaphragms; Spacing elements characterised by the material based on inorganic materials
• B29C 71/00 - After-treatment of articles without altering their shape; Apparatus therefor

Abstract

A separator for alkaline electrolysis comprising a support (10) and a porous layer (20) provided on the support, characterized in that the support is capable of being substantially removed from the separator. The support is preferably removed by the electrolyte of an alkaline electrolyser.

IPC Classes  ?

• C25B 13/07 - Diaphragms; Spacing elements characterised by the material based on inorganic materials based on ceramics
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 13/02 - Diaphragms; Spacing elements characterised by shape or form
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
• C25B 13/08 - Diaphragms; Spacing elements characterised by the material based on organic materials

Abstract

A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 μm or less and the total thickness (d2) of the separator is less than 250 μm. Also a method is disclosed wherewith such a separator may be prepared.

IPC Classes  ?

• C25B 13/02 - Diaphragms; Spacing elements characterised by shape or form
• C08J 5/22 - Films, membranes or diaphragms
• C25B 13/08 - Diaphragms; Spacing elements characterised by the material based on organic materials
• C25B 13/07 - Diaphragms; Spacing elements characterised by the material based on inorganic materials based on ceramics
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water

Abstract

A radiation curable inkjet ink comprising a polymerizable compound, a photoinitiator characterized in that the inkjet ink further comprises a di- or multifunctional alkoxysilane and a monofunctional alkoxysilane functionalized with a group selected from the group consisting of an epoxide and an oxetane.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• H05K 3/28 - Applying non-metallic protective coatings

Abstract

A radiation curable composition comprising at least one polymerizable compound and an adhesion promoter, characterized in that the adhesion promoter includes: —a polymerizable group selected from the group consisting of an acrylate, a methacrylate, an acrylamide, a methacrylamide, a styrene, a maleimide, a vinyl ether and a vinyl ester; and—an adhesion promoting group containing at least one nitrogen containing five or six membered heteroaromatic ring.

IPC Classes  ?

• C09D 11/326 - Pigment inks characterised by the pigment dispersant
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering

Abstract

A method of manufacturing a Printed Circuit Board (PCB) including an inkjet printing step wherein a radiation curable inkjet ink comprising at least one polymerizable compound and at least one photoinitiator is jetted and cured on a substrate, characterized in that the at least one photoinitiator has a chemical structure according to Formula I, wherein X represents a halogen; R1 is selected from the group consisting of a substituted or unsubstituted alkyl group, a substituted and unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkyl group and a substituted or unsubstituted aryl or heteroaryl group; R2 and R3 are independently from each other selected from the group consisting of a hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstitited alkoxy group, a substituted or unsubstituted aryloxy group and a halogen; R1 together with R2 and R2 together with R3 may represent the necessary atoms to form a five to eight membered ring.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/32 - Inkjet printing inks characterised by colouring agents
• H05K 3/00 - Apparatus or processes for manufacturing printed circuits

Abstract

The radiation curable inkjet ink comprises a polymerizable compound and at least one thioether functionalized adhesion promoter, at least one alkoxysilane adhesion promoter and at least one acid funtionalized adhesion promoter.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/32 - Inkjet printing inks characterised by colouring agents

Abstract

A flame retardant film comprising a polyester containing film comprising on a side thereof, a flame retardant layer. The flame retardant layer comprises a colloidal metal oxide in an amount of 6 g/m2 of more, an inorganic binder in an amount of 2 g/m2 or more, a first flame retardant being a phosphorous containing compound in an amount of 10 g/m2 or more and a second flame retardant being a mineral compound selected from the group of aluminum hydroxide, aluminum trihydrate, magnesium hydroxide, magnesium calcium carbonate, hydrated magnesium carbonate, aluminum oxide hydroxide, boron compounds, antimony trioxide and combinations thereof, the amount of the second flame retardant is 6 g/m2 or more.

IPC Classes  ?

• C08J 5/18 - Manufacture of films or sheets
• C08J 7/05 - Forming flame retardant coatings or fire resistant coatings
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
• C09D 5/18 - Fireproof paints

Abstract

A radiation curable composition comprising: a) at least one monofunctional (meth)acrylate containing a carboxylic acid group, a phosphoric acid group or a phosphonic acid group; b) an acrylamide; c) at least one polyfunctional (meth)acrylate; characterized in that the radiation curable composition further comprises at least 0.1 wt % of a liquid penetrating controlling monomer selected from the group consisting of a C6-C20 alkyl (meth)acrylate, a fluorinated (meth)acrylate and a silicone (meth)acrylate.

IPC Classes  ?

• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/30 - Inkjet printing inks
• B41M 3/00 - Printing processes to produce particular kinds of printed work, e.g. patterns
• C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, i.e. electroless plating
• C23C 18/32 - Coating with one of iron, cobalt or nickel; Coating with mixtures of phosphorus or boron with one of these metals

Abstract

A laser markable label or tag including a polyester film comprising a polyester resin, an optothermal converting agent, a laser markable polymer and titaniumdioxide, characterized in that the amount of titaniumoxide is at least 3 wt % relative to the total weight of the film.

IPC Classes  ?

• B41M 5/26 - Thermography
• B29C 48/08 - Flat, e.g. panels flexible, e.g. films
• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• B29D 7/01 - Films or sheets
• C08J 5/18 - Manufacture of films or sheets

Abstract

A method of manufacturing metallic articles (6) including the steps of: —applying a radiation curable composition comprising a monomer including at least two polymerisable groups on a surface of a substrate thereby forming an image (2); —curing the image; —plating (4) or etching (3) a surface of the substrate not covered by the cured image by means of an alkaline solution; —removing (5) the cured image by means of an acidic solution; characterized in that a linking group between the polymerisable groups comprises at least one acid degradable or hydrolysable group selected from the group consisting of an acetal, a ketal, an orthoester, an orthocarbonate, a tertiary ester, a tertiary carbonate and a tertiary urethane and wherein the composition further comprises less than 10 wt % of other monomers including at least two polymerisable groups relative to the total weight of the polymerisable composition.

IPC Classes  ?

• C23F 1/02 - Local etching
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/30 - Inkjet printing inks
• H05K 3/06 - Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
• B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
• B33Y 10/00 - Processes of additive manufacturing
• B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing

Abstract

A method of preparing a conductive silver pattern on a substrate comprising the step of: —applying a silver ink on the substrate to form a silver pattern, and —sintering the applied silver pattern, characterized in that the silver ink comprises a compound which decomposes exothermally during sintering.

IPC Classes  ?

• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
• C09D 11/52 - Electrically conductive inks
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/322 - Pigment inks

Abstract

A separator for alkaline water electrolysis (1) comprising a porous hydrophilic polymer layer (20), the porous hydrophilic polymer layer comprising a polymer resin and hydrophilic inorganic particles, characterized in that the inorganic particles are barium-sulfate particles having a particle size D50 of 0.7 pm or less.

IPC Classes  ?

• C25B 13/02 - Diaphragms; Spacing elements characterised by shape or form
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
• C25B 13/08 - Diaphragms; Spacing elements characterised by the material based on organic materials
• C25B 13/05 - Diaphragms; Spacing elements characterised by the material based on inorganic materials

Abstract

A method of preparing a transparent conductive film (100) comprising the steps of: —applying a nano-silver composition on a substrate thereby forming a nano-silver coating (20) on the substrate (10), —imagewise exposing the nano-silver coating with Near Infrared (NIR) radiation (40) thereby forming exposed and non-exposed areas, and —removing (70) the non-exposed areas of the nano-silver coating.

IPC Classes  ?

• G03F 7/06 - Silver salts
• H01B 5/14 - Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
• H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys

Abstract

A method of preparing a conductive silver pattern on a substrate comprising the steps of: applying a silver ink on the substrate to form a silver pattern, and sintering the applied silver pattern in one step at a temperature of at least 50° C. and a relative humidity (RH) of at least 50%.

IPC Classes  ?

• H05K 1/09 - Use of materials for the metallic pattern
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• C09D 11/52 - Electrically conductive inks
• C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder
• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes

Abstract

A radiation curable inkjet ink comprising a polymerizable compound, a photoinitiator and a co-initiator, wherein the co-initiator is an aliphatic tertiary amine co-initiator or an aromatic co-initiator, the aromatic co-initiator selected from the group consisting of an amino substituted benzoic acid derivative, an amino substituted aromatic aldehyde and an amino substituted aromatic ketone, characterized in that the co-initiator comprises at least one functional group selected from the group consisting of an aliphatic thioether and an aliphatic disulfide.

IPC Classes  ?

• C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
• C09D 11/322 - Pigment inks
• C09D 11/108 - Hydrocarbon resins
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
• H05K 1/09 - Use of materials for the metallic pattern
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating

Abstract

An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising 2 functional groups selected from the group of functional groups —X—C(=0)-CHR1-C(=0)-R2, —X—C(=0)-C≡C—R2; or —X—C(=0)-CR1=CR2-NR11 R12, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims, with a compound B comprising at least two —NH2, —NH3+ or —N═C=0, with a crosslinking agent C. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous ink jet ink comprising the resin particles. An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising 2 functional groups selected from the group of functional groups —X—C(=0)-CHR1-C(=0)-R2, —X—C(=0)-C≡C—R2; or —X—C(=0)-CR1=CR2-NR11 R12, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims, with a compound B comprising at least two —NH2, —NH3+ or —N═C=0, with a crosslinking agent C. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous ink jet ink comprising the resin particles.

IPC Classes  ?

• C09D 11/30 - Inkjet printing inks
• C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
• C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein

Abstract

An aqueous dispersion of particles comprising a resin having at least one repeating unit of formula I, II and/or III and which is obtainable by contacting in a liquid comprising water, a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(═O)—CHR1-C(═O)—R2, —X—C(═O)—C≡C—R2; or —X—C(═O)—CR1=CR2-NR11R12, the functional groups are linked by a linking group comprising a polyester, polyether, polyolefin, polydimethylsiloxane or polycarbonate chain with a compound B comprising at least two —NH2, —NH3+ or —N═C═O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and w. The invention also includes a method of producing the aqueous dispersion. An aqueous dispersion of particles comprising a resin having at least one repeating unit of formula I, II and/or III and which is obtainable by contacting in a liquid comprising water, a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(═O)—CHR1-C(═O)—R2, —X—C(═O)—C≡C—R2; or —X—C(═O)—CR1=CR2-NR11R12, the functional groups are linked by a linking group comprising a polyester, polyether, polyolefin, polydimethylsiloxane or polycarbonate chain with a compound B comprising at least two —NH2, —NH3+ or —N═C═O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and w. The invention also includes a method of producing the aqueous dispersion.

IPC Classes  ?

• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• B01J 13/16 - Interfacial polymerisation
• C09D 11/322 - Pigment inks
• C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
• A01N 25/04 - Dispersions or gels
• A01P 15/00 - Biocides for specific purposes not provided for in groups
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein

Abstract

A radiation curable inkjet ink comprising a polymerizable compound and an adhesion promoter characterized in that the adhesion promoter has a chemical structure according to Formula I, A radiation curable inkjet ink comprising a polymerizable compound and an adhesion promoter characterized in that the adhesion promoter has a chemical structure according to Formula I, A radiation curable inkjet ink comprising a polymerizable compound and an adhesion promoter characterized in that the adhesion promoter has a chemical structure according to Formula I, wherein R1 is selected from the group consisting of a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group and a substituted or unsubstituted aryl or heteroaryl group, R2 and R3 are independently selected from the group consisting of a hydrogen and a substituted or unsubstituted alkyl group, L represents an n+m+o valent linking group, n represents an integer ranging from 1 to 9, m represents an integer ranging from 1 to 9, o represents an integer ranging from 0 to 8, with the proviso that n+m+o is less than or equal to 10, X represents an oxygen or NR4, R4 is selected from the group consisting of a hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group and a substituted or unsubstituted aryl or heteroaryl group.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• H05K 3/06 - Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
• C09D 11/52 - Electrically conductive inks

Abstract

A photoinitiator selected from the group consisting of an acylphosphine oxide, a α-hydroxy-ketone and a α-amino-ketone, characterized in that the photoinitiator includes at least one aliphatic disulfide as functional group.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C07F 9/32 - Esters thereof
• C07D 339/04 - Five-membered rings having the hetero atoms in positions 1 and 2, e.g. lipoic acid
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• H05K 1/09 - Use of materials for the metallic pattern

Abstract

An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(═O)—CHR1-C(═O)—R2, —X—C(═O)—C≡C—R2; or —X—C(═O)—CR1=CR2-NR11R12, with a compound B comprising at least two —NH2, —NH3+ or —N═C═O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and wherein compound A and/or B comprise a dispersing group. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous inkjet ink comprising the resin particles. An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(═O)—CHR1-C(═O)—R2, —X—C(═O)—C≡C—R2; or —X—C(═O)—CR1=CR2-NR11R12, with a compound B comprising at least two —NH2, —NH3+ or —N═C═O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and wherein compound A and/or B comprise a dispersing group. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous inkjet ink comprising the resin particles.

IPC Classes  ?

• C09D 11/326 - Pigment inks characterised by the pigment dispersant
• C08K 5/17 - Amines; Quaternary ammonium compounds
• C08L 61/00 - Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
• C08G 73/02 - Polyamines
• C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
• B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
• D06P 5/30 - Ink jet printing

Abstract

A radiation curable inkjet ink including an adhesion promoter including (1) at least one a free radical polymerizable group selected from the group consisting of an acrylate, a methacrylate, an acryl amide and a methacryl amide; (2) at least one aliphatic tertiary amine; and (3) at least one carboxylic acid or salt thereof with the proviso that the carboxylic acid is linked to an aliphatic tertiary amine via a divalent linking group selected from the group consisting of an optionally substituted methylene group and an optionally substituted ethylene group.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• H05K 3/06 - Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
• C08K 5/17 - Amines; Quaternary ammonium compounds
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• C08K 5/20 - Carboxylic acid amides
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/103 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
• C09D 11/105 - Alkyd resins
• C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
• C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/104 - Polyesters

Abstract

A conductive ink comprising metallic nanoparticles, a liquid carrier and an optional binder, characterized in that liquid carrier includes between 0.5 and 7.5 wt % of a solvent selected from water and a compound comprising at least two hydroxyl groups.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 11/322 - Pigment inks
• C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein

Abstract

The invention provides an inkjet method for producing a solder mask in the manufacture of a Printed Circuit Board. By using a solder mask inkjet ink containing at least one photoinitiator, at least one free radical polymerizable compound and at least one mercapto functionalized carboxylic acid as adhesion promoter, a high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties, may be produced.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/322 - Pigment inks
• H05K 3/28 - Applying non-metallic protective coatings
• H05K 1/09 - Use of materials for the metallic pattern
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41J 2/01 - Ink jet

Abstract

A method of manufacturing an etched glass article including the steps of jetting an image with a UV curable inkjet ink on a surface of the glass article; curing the image; etching the surface not covered by the UV cured image to obtain an etched image; and solubilising the UV cured image in an aqueous alkaline solution.

IPC Classes  ?

• C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
• C03C 17/28 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material

Abstract

2 may represent the necessary atoms to form a 5 to 8 membered ring.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• C07C 323/12 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• H05K 3/28 - Applying non-metallic protective coatings

Abstract

A method of preparing a conductive pattern on a substrate includes the steps of applying a receiving layer on a substrate, applying a metallic nanoparticle dispersion on the white receiving layer thereby forming a metallic pattern, and sintering the metallic pattern, characterized in that the receiving layer has a roughness Rz between 1 and 75.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• B41M 3/00 - Printing processes to produce particular kinds of printed work, e.g. patterns
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/322 - Pigment inks
• C09D 11/54 - Inks based on two liquids, one liquid being the ink, the other liquid being a reaction solution, a fixer or a treatment solution for the ink
• H05K 1/09 - Use of materials for the metallic pattern
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• H05K 3/46 - Manufacturing multi-layer circuits

Abstract

A method of manufacturing an electronic device includes preparing a solder mask with a radiation curable solder mask inkjet ink containing at least one cationic polymerizable compound and a photoinitiating system, wherein the photoinitiating system includes a specified sulphonium compound and a thioxanthone.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C08F 220/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C08F 220/32 - Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
• C08K 5/11 - Esters; Ether-esters of acyclic polycarboxylic acids
• C08K 5/45 - Heterocyclic compounds having sulfur in the ring
• C09D 11/36 - Inkjet printing inks based on non-aqueous solvents
• H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating

Abstract

A radiation curable solder mask inkjet ink contains a photo-initiator, a polymerizable compound and a flame retardant wherewith a high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties and flame retardancy may be produced.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
• C09D 11/103 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
• C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
• H05K 3/00 - Apparatus or processes for manufacturing printed circuits

Abstract

A backsheet for a photovoltaic module includes a support, an adhesive layer provided on one side of the support, and an outer layer provided on the other side of the support, characterized in that at least one of the adhesive layer and the outer layer is coated from an aqueous composition, and the aqueous composition includes a water soluble or dispersible binder and a water dispersible core/shell polyisocyanate.

IPC Classes  ?

• H01L 31/049 - Protective back sheets
• C09J 175/04 - Polyurethanes
• H01L 31/048 - Encapsulation of modules
• H01L 31/18 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof

Abstract

max(1) is between 1.25 and 10.

IPC Classes  ?

• C25B 13/02 - Diaphragms; Spacing elements characterised by shape or form
• C25B 13/08 - Diaphragms; Spacing elements characterised by the material based on organic materials
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/73 - Assemblies comprising two or more cells of the filter-press type
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 69/10 - Supported membranes; Membrane supports

Abstract

++, or —N═C═O. A method of producing the aqueous dispersion further relates to an aqueous ink jet ink including the resin capsules.

IPC Classes  ?

• C09D 11/326 - Pigment inks characterised by the pigment dispersant
• B01J 13/16 - Interfacial polymerisation
• B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
• C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
• D06P 1/52 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
• D06P 5/30 - Ink jet printing
• D06P 3/52 - Polyesters
• D06P 3/60 - Natural or regenerated cellulose
• D06P 3/82 - Textiles which contain different kinds of fibres

Abstract

An inkjet method for producing a solder mask in the manufacture of a Printed Circuit Board uses a solder mask inkjet ink containing a polymerizable adhesion promoter and a phenolic compound including at least two phenolic groups. A high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties is produced.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/322 - Pigment inks
• H05K 1/09 - Use of materials for the metallic pattern
• H05K 3/00 - Apparatus or processes for manufacturing printed circuits
• H05K 3/28 - Applying non-metallic protective coatings

Abstract

An inkjet method for producing a solder mask in the manufacture of a Printed Circuit Board uses a solder mask inkjet ink containing at least one photo-initiator, at least one free radical polymerizable compound and at least one mercapto functionalized carboxylic acid as adhesion promoter. A high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties is produced.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/322 - Pigment inks
• H05K 3/28 - Applying non-metallic protective coatings
• H05K 1/09 - Use of materials for the metallic pattern
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41J 2/01 - Ink jet

Abstract

An inkjet method for producing a solder mask in the manufacture of a Printed Circuit Board uses a solder mask inkjet ink containing at least one photo-initiator, at least one free radical polymerizable compound and at least one RAFT compound as adhesion promoter. A high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties is produced.

IPC Classes  ?

• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• C09D 11/322 - Pigment inks
• H05K 1/09 - Use of materials for the metallic pattern
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• C09D 11/30 - Inkjet printing inks

Abstract

A metallic nanoparticle dispersion includes metallic nanoparticles, a liquid carrier and an optional binder, and a silane compound according to Formula I: n represents 0 or 1.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 7/20 - Diluents or solvents
• C09D 7/40 - Additives
• C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
• C09D 7/65 - Additives macromolecular
• C08K 3/08 - Metals
• C09D 5/24 - Electrically-conducting paints
• H05K 1/09 - Use of materials for the metallic pattern
• C09D 7/63 - Additives non-macromolecular organic
• C09D 11/02 - Printing inks
• C09C 1/30 - Silicic acid
• C09D 11/00 - Inks
• C09D 17/00 - Pigment pastes, e.g. for mixing in paints
• H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
• C08K 5/5435 - Silicon-containing compounds containing oxygen containing oxygen in a ring
• B82Y 40/00 - Manufacture or treatment of nanostructures
• C08K 5/5419 - Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
• C08L 27/06 - Homopolymers or copolymers of vinyl chloride

Abstract

An inkjet ink set includes a silver inkjet ink and a flushing liquid, characterized in that the flushing liquid includes at least 25 wt % of 2-phenoxy ethanol based on the total weight of the flushing liquid.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 11/322 - Pigment inks
• C09D 11/326 - Pigment inks characterised by the pigment dispersant
• B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
• B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/36 - Inkjet printing inks based on non-aqueous solvents
• C09D 11/40 - Ink-sets specially adapted for multi-colour inkjet printing

Abstract

A lithographic printing plate precursor includes, on a support, a layer of graphite oxide capable of switching from a hydrophilic state into a hydrophobic state upon exposure to heat and/or light.

IPC Classes  ?

• B41C 1/10 - Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
• B41N 1/14 - Lithographic printing foils
• B41M 1/06 - Lithographic printing
• G03F 7/16 - Coating processes; Apparatus therefor
• G03F 7/20 - Exposure; Apparatus therefor
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites

Abstract

An aqueous inkjet ink for forming a colour upon heat treatment includes a) an immobilized leuco dye; b) a colour developing agent or colour developing agent precursor; and c) optionally an opthothermal converting agent; wherein the leuco dye is immobilized by being covalently bonded to polymeric particles or by being included in the core of capsules composed of a polymeric shell surrounding a core.

IPC Classes  ?

• C09D 11/00 - Inks
• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• C09D 11/40 - Ink-sets specially adapted for multi-colour inkjet printing
• C09D 11/50 - Sympathetic, colour-changing or similar inks
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
• C09D 11/32 - Inkjet printing inks characterised by colouring agents
• B41M 3/14 - Security printing
• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
• C09K 3/00 - Materials not provided for elsewhere

Abstract

A metallic nanoparticle dispersion includes metallic nanoparticles, a liquid carrier, and a dispersion-stabilizing compound according to Formulae I, II, III or IV, wherein Q represents the necessary atoms to form a substituted or unsubstituted a five or six membered heteroaromatic ring; M is selected from the group consisting of a proton, a monovalent cationic group and an acyl group; R1 and R2 are independently selected from the group consisting of a hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl or heteroaryl group, a hydroxyl group, a thioether, an ether, an ester, an amide, an amine, a halogen, a ketone and an aldehyde, R1 and R2 may represent the necessary atoms to form a five to seven membered ring; R3 to R5 are independently selected from the group consisting of a hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl or heteroaryl group, a hydroxyl group, a thiol, a thioether, a sulfone, a sulfoxide, an ether, an ester, an amide, an amine, a halogen, a ketone, an aldehyde, a nitrile and a nitro group; and R4 and R5 may represent the necessary atoms to form a five to seven membered ring.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• B01F 17/00 - Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
• C09D 11/03 - Printing inks characterised by features other than the chemical nature of the binder
• C09D 11/322 - Pigment inks
• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09D 7/40 - Additives
• C09D 7/63 - Additives non-macromolecular organic
• B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
• B22F 9/18 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds
• C09D 5/24 - Electrically-conducting paints
• C09D 11/32 - Inkjet printing inks characterised by colouring agents
• H05K 1/09 - Use of materials for the metallic pattern

Abstract

−1; and wherein the UV curable inkjet ink contains a specific polymerizable composition and up to 20 wt % of photoinitiator including at least one of an acyl phosphine oxide photoinitiator and a thioxanthone photoinitiator.

IPC Classes  ?

• B44C 1/22 - Removing surface-material, e.g. by engraving, by etching
• C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
• C03C 25/68 - Chemical treatment, e.g. leaching, acid or alkali treatment by etching
• C23F 1/00 - Etching metallic material by chemical means
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• B41J 2/01 - Ink jet
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
• C25D 5/02 - Electroplating of selected surface areas
• C23F 1/16 - Acidic compositions

Abstract

A method of manufacturing an embossing element for decorative surfaces includes the steps of: a) UV curable inkjet printing a decorative pattern on a metallic surface; and b) forming a relief by etching metal from the metallic surface.

IPC Classes  ?

• C23F 1/02 - Local etching
• C23F 1/16 - Acidic compositions
• C09D 11/30 - Inkjet printing inks
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• B41J 2/01 - Ink jet
• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
• C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• C25D 5/02 - Electroplating of selected surface areas
• B29C 59/02 - Surface shaping, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
• B29L 9/00 - Layered products

Abstract

A radiation curable composition for preparing a polymeric membrane includes a) a membrane polymer selected from the group consisting of a polysulfone (PSU), a polyether sulfone (PES), a polyether etherketone (PEEK), a polyvinylchloride (PVC), a polyacrylonitrile (PAN), a polyvinylidene fluoride (PVDF), a polyimide (PI), a polyamide (PA) and copolymers thereof; b) a hydrophobic monomer or oligomer having at least two free radical polymerizable groups independently selected from the group consisting of an acrylate group, a methacrylate group, an acrylamide group, a methacrylamide group, a styrene group, a vinyl ether group, a vinyl ester group, a maleate group, a fumarate group, an itaconate group, and a maleimide group; and c) an organic solvent for the membrane polymer and the hydrophobic monomer. A polymeric membrane and a method for manufacturing the membrane are also disclosed.

IPC Classes  ?

• C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
• B01D 71/52 - Polyethers
• C08F 283/00 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass
• B01D 71/64 - Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
• B01D 71/68 - Polysulfones; Polyethersulfones
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 71/82 - Macromolecular material not specifically provided for in a single one of groups characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
• B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 69/06 - Flat membranes
• C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
• C09D 181/06 - Polysulfones; Polyethersulfones
• B01D 69/12 - Composite membranes; Ultra-thin membranes
• C08F 283/04 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polycarbonamides, polyesteramides or polyimides

Abstract

A dispersion of a conductive polymer and a polyanion in a non-aqueous medium further includes a compound including an acid sensitive functional group selected from the group consisting of a ketal, an acetal, an aminal, a hemi-ketal, a hemi-acetal, a hemi-aminal, a thioacetal, an amide acetal, an orthoester, an orthoether, an enolester, an enolether, and an enolamine.

IPC Classes  ?

• H01B 1/12 - Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C09D 181/02 - Polythioethers; Polythioether-ethers
• C09D 5/24 - Electrically-conducting paints
• C08L 101/00 - Compositions of unspecified macromolecular compounds
• C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
• C08L 35/06 - Copolymers with vinyl aromatic monomers
• C09D 7/63 - Additives non-macromolecular organic

Abstract

Infrared dyes having an infrared absorption maximum above 1130 nm with minor colouration in the visual spectrum. The infrared dyes are especially useful for producing multicolour laser marked security documents having reduced background coloration and enhanced colour gamut.

IPC Classes  ?

• B41M 3/14 - Security printing
• B41M 5/26 - Thermography
• B41M 5/34 - Multicolour thermography
• B42D 25/00 - Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
• G11B 7/2472 - Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes cyanine
• B41M 5/30 - Thermography using chemical colour formers
• C09B 23/01 - Methine or polymethine dyes, e.g. cyanine dyes characterised by the methine chain
• C09B 23/08 - Methine or polymethine dyes, e.g. cyanine dyes characterised by the methine chain containing an odd number of CH groups more than three CH groups, e.g. polycarbocyanines
• C09B 23/16 - Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing hetero atoms

Abstract

A method of manufacturing conductive patterns includes the steps of a) printing and curing UV curable inkjet to define a cured inkjet ink pattern on a metal sheet bonded to a non-conductive substrate; b) etching the metal sheet not covered by the cured ink pattern to expose the non-conductive substrate; and c) applying an alkaline solution to dissolve the cured inkjet ink pattern within 5 minutes.

IPC Classes  ?

• H05K 3/06 - Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• G03F 7/027 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
• G03F 7/105 - Photosensitive materials - characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images

Abstract

A color laser markable article includes a color laser markable layer provided on a support, the laser markable layer including an infrared absorbing compound; a leuco-dye; and an acid generating compound, wherein the acid generating compound has a structure according to Formulae (I) or (II): wherein R1 and R3 independently represent an optionally substituted alkyl group, an optionally substituted (hetero)cyclic alkyl group, an optionally substituted (hetero)aryl group, an optionally substituted aralkyl group, an optionally substituted alkoxy group, an optionally substituted (hetero)cyclic alkoxy group, or an optionally substituted (hetero)aryl group; R2, R4 and R5 independently represent an optionally substituted alkyl, an optionally substituted (hetero)cyclic alkyl group or an optionally substituted aralkyl group; and R1 and R2, R4 and R5, R3 and R4, and R3 and R5 may represent the necessary atoms to form a ring.

IPC Classes  ?

• B41M 3/14 - Security printing
• B41M 5/26 - Thermography
• B41M 5/323 - Organic colour formers, e.g. leuco dyes
• B41M 5/333 - Colour developing components therefor, e.g. acidic compounds
• B41M 5/41 - Base layers
• B41M 5/34 - Multicolour thermography
• B41M 5/327 - Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
• B41M 5/337 - Additives; Binders
• B41M 5/46 - Thermography combined with layers or compositions suitable for other methods of image registration; Special originals for reproduction by thermography characterised by the heat or radiation filtering or absorbing means or layers

Abstract

A method for making a composite membrane includes the steps of coating a first layer of ionomer on an intermediate support, laminating a dry porous support into the wet first layer of ionomer, impregnating the porous support with ionomer from the coated ionomer layer, optionally drying the impregnated porous support and the first layer of ionomer, coating a second layer of ionomer on the impregnated porous support, drying the second layer of ionomer until most of the solvent is evaporated, and delaminating the composite membrane from the intermediate support. The composite membrane thus obtained includes a porous support impregnated with the ionomer and on each side of the impregnated support a dense ionomer layer.

IPC Classes  ?

• H01M 8/1053 - Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
• H01M 8/1086 - After-treatment of the membrane other than by polymerisation
• H01M 8/1081 - Polymeric electrolyte materials characterised by the manufacturing processes starting from solutions, dispersions or slurries exclusively of polymers
• H01M 8/1067 - Polymeric electrolyte materials characterised by their physical properties, e.g. porosity, ionic conductivity or thickness
• H01M 8/0293 - Matrices for immobilising electrolyte solutions
• B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
• B01D 69/12 - Composite membranes; Ultra-thin membranes
• H01M 8/1039 - Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
• H01M 8/106 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support

Abstract

A metallic nanoparticle dispersion includes metallic nanoparticles and a compound according to Formula I, wherein X represents the necessary atoms to form a substituted or unsubstituted ring. The presence of small amounts of the compound according to Formula I increases the conductivity of metallic layers or patterns formed from the metallic nanoparticle dispersions at moderate curing conditions.

IPC Classes  ?

• C09D 11/52 - Electrically conductive inks
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 5/24 - Electrically-conducting paints
• C09D 17/00 - Pigment pastes, e.g. for mixing in paints
• B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
• B22F 9/24 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
• H05K 1/09 - Use of materials for the metallic pattern
• B22F 1/00 - Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
• B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying
• C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
• C09D 7/12 - Other additives
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites

Abstract

(a) a solvent according to Formula I, and sedimenting the metallic nanoparticles to obtain a highly concentrated metallic nanoparticle dispersion comprising at least 15 wt % of metallic nanoparticles.

IPC Classes  ?

• C09D 5/24 - Electrically-conducting paints
• C09D 11/52 - Electrically conductive inks
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• B22F 9/24 - Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
• H05K 3/10 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
• C09D 17/00 - Pigment pastes, e.g. for mixing in paints
• H05K 1/09 - Use of materials for the metallic pattern

Abstract

max(IR-3); and the light emitted by the infrared laser L-1 passes, in order, through the third and second color laser markable layer before exposing the first color laser markable layer.

IPC Classes  ?

• B42D 25/382 - Special inks absorbing or reflecting infrared light
• B42D 25/405 - Marking
• B32B 27/16 - Layered products essentially comprising synthetic resin specially treated, e.g. irradiated
• B41M 5/34 - Multicolour thermography
• B41M 5/30 - Thermography using chemical colour formers
• B41M 5/323 - Organic colour formers, e.g. leuco dyes
• B42D 25/30 - Identification or security features, e.g. for preventing forgery
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters

Abstract

A metallic nanoparticle dispersion includes a dispersion medium characterized in that the dispersion medium includes a solvent according to Formula I, 2 may form a ring. When using a solvent according to Formula I as a dispersion medium, no polymeric dispersants are necessary to obtain stable metallic nanoparticle dispersions.

IPC Classes  ?

• C09D 7/00 - Features of coating compositions, not provided for in group ; Processes for incorporating ingredients in coating compositions
• C09D 5/24 - Electrically-conducting paints
• C09D 11/52 - Electrically conductive inks
• C09D 17/00 - Pigment pastes, e.g. for mixing in paints
• C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
• C09D 11/30 - Inkjet printing inks

Abstract

An inkjet printing radiation curable inkjet ink for forming a protective layer during an etching process includes at least 70 percent by weight of a polymerizable composition based on the total weight of radiation curable inkjet ink, wherein the polymerizable composition has an oxygen fraction OFR>0.250 and a weighted polymerizable functionality WPF≧0.0050, and the polymerizable composition contains no polymerizable compound with an ethylenic double bond and including a phosphoester group or a carboxylic acid group in the molecule thereof.

IPC Classes  ?

• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
• C09D 11/30 - Inkjet printing inks
• C09D 11/326 - Pigment inks characterised by the pigment dispersant
• C23F 1/02 - Local etching
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• G03F 1/00 - Originals for photomechanical production of textured or patterned surfaces, e.g. masks, photo-masks or reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
• B44C 1/22 - Removing surface-material, e.g. by engraving, by etching

Abstract

A security laminate (1) including in order a transparent oriented polyester support (2), a subbing layer (3) and an adhesive layer (4) which is coated on top of the subbing layer, wherein the binder of the adhesive layer is based on a mixture of a first and a second polymer in a weight ratio from 50/50 to 90/10, wherein the first polymer is a copolymer comprising vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the first polymer; wherein the second polymer is a copolymer of styrene, butadiene and methylmethacrylate or a copolymer of vinyl butyral, vinyl acetate and vinyl alcohol; and wherein the binder of the subbing layer is based on a polyester-urethane copolymer.

IPC Classes  ?

• C09J 7/02 - on carriers
• B42D 25/00 - Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
• C08J 7/04 - Coating
• B29C 55/10 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial

Abstract

The invention relates to an image receiving material for offset printing comprising a support and an image receiving layer, the image receiving layer comprising a porous pigment and an aqueous dispersion of a polymer particle characterized in that the image receiving layer further comprises a copolymer comprising alkylene and vinyl alcohol units.

IPC Classes  ?

• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41M 5/52 - Macromolecular coatings
• D21H 19/56 - Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
• D21H 13/10 - Organic non-cellulose fibres
• D21H 13/12 - Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• D21H 13/16 - Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
• D21H 19/58 - Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
• D21H 19/60 - Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
• D21H 19/84 - Paper comprising more than one coating on both sides of the substrate

Abstract

2 and comprises at least one porous pigment. Also disclosed is a process for producing such a printable paper and use thereof in printing.

IPC Classes  ?

• B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
• B41M 5/52 - Macromolecular coatings
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
• B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
• D21H 17/20 - Macromolecular organic compounds
• D21H 19/36 - Coatings with pigments
• D21H 19/56 - Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
• D21H 19/72 - Coated paper characterised by the paper substrate
• D21H 19/84 - Paper comprising more than one coating on both sides of the substrate

Abstract

Process comprising the steps of: (i) providing an elongated porous web, said elongated porous web comprising two outermost surfaces; (ii) transporting said elongated porous web downwards between two impregnating heads comprising two slots each with substantially vertical upper and lower slot faces substantially parallel to said elongated porous web providing simultaneously to both surfaces of said elongated porous web metered substantially identical quantities of a dope, comprising at least one membrane polymer and at least one solvent therefor; (iii) thereby impregnating said elongated porous web completely with said dope and providing substantially equally thick dope layers on each surface of said outermost surfaces of said elongated porous web with a thickness independent of the gap between one of said lower slot faces and the surface of said elongated porous web nearest thereto; (iv) subjecting said dope associated with said elongated porous web immediately after dope-impregnation to symmetric phase inversion with at least one non-solvent thereby forming a membrane; and (v) removing residues of said at least one solvent for said at least one membrane polymer from said membrane thereby producing an ion-permeable web-reinforced separator, wherein said dope is shear-thinning, and the separator obtainable therewith.

IPC Classes  ?

• B05D 5/12 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
• B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking

Abstract

Disclosed is a process for preparing a non-transparent microvoided axially stretched film including i) mixing a linear polyester having monomer components consisting essentially of an aromatic dicarboxylic acid, an aliphatic diol and optionally an aliphatic dicarboxylic acid, a non-crosslinked random SAN-polymer and one or more additional ingredients to produce a mixture, ii) forming the mixture produced in step i) in a thick film followed by quenching; iii) stretching the thick film at a temperature between the glass transition temperature of the SAN-polymer and the glass transition temperature of said linear polyester to at least twice the initial length, and (iv) further stretching the film at an angle substantially 90° to the previous stretching process to at least twice the initial length and at 90° C. or below.

IPC Classes  ?

• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
• B29C 49/08 - Biaxial stretching during blow-moulding
• B32B 3/26 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a layer with cavities or internal voids
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• G03C 1/76 - Photosensitive materials characterised by the base or auxiliary layers

Abstract

A process comprising a duplex type impregnating apparatus providing the steps of: (i) providing an elongated porous web, said elongated porous web comprising two outermost surfaces; (ii) transporting said elongated porous web downwards between two impregnating heads comprising two slots each with substantially vertical upper and lower slot faces substantially parallel to said elongated porous web providing simultaneously to both surfaces of said elongated porous web metered substantially identical quantities of a dope, comprising at least one membrane polymer and at least one solvent therefor; (iii) thereby impregnating said elongated porous web completely with said dope and providing substantially equally thick dope layers on each surface of said outermost surfaces of said elongated porous web with a thickness independent of the gap between one of said lower slot faces and the surface of said elongated porous web nearest thereto; (iv) subjecting said dope associated with said elongated porous web to symmetric phase inversion with at least one non-solvent thereby forming a membrane, and (v) removing residues of said at least one solvent for said at least one membrane.

IPC Classes  ?

• B05D 5/12 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
• B05D 1/26 - Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface

Abstract

2O sol obtained from step i) with a reduction agent, and (iii) purifying the solution obtained from step ii).

IPC Classes  ?

• H01B 1/02 - Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
• C01G 3/00 - Compounds of copper

Abstract

wherein at least one of the solutions in step a) comprises a dispersing assistant, metal particles produced by the process and the use thereof.

IPC Classes  ?

• A61K 33/24 - Heavy metals; Compounds thereof
• C04B 14/02 - Granular materials
• C09C 1/10 - Compounds of cadmium
• C09C 1/22 - Compounds of iron
• C09C 1/04 - Compounds of zinc
• C09D 11/02 - Printing inks
• H01B 1/02 - Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
• B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
• G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups

Abstract

2 and comprises at least one porous pigment; a process for producing a printable paper comprising the steps of: (i) optionally providing a water-resistant support having two sides with a subbing layer on at least one side; (ii) providing at least one side of said optionally subbed water-resistant support with a single layer having no substantial compositional variation, said single layer being applied to said optionally subbed water-resistant support as at least one wet aqueous layer in a single pass for each side of said water-resistant support, said at least one aqueous layer comprising at least one latex, at least one pigment, at least one binder and optionally at least one insolubilizing agent, wherein said latex is an anionic acrylic latex or an aliphatic polyurethane latex; and the use in printing of the above-described printable paper or that obtained by the above-described production process.

IPC Classes  ?

• B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
• B05D 5/04 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a surface receptive to ink or other liquid

Abstract

and has a viscosity of at most 150 mPa.s.

IPC Classes  ?

• H01B 1/22 - Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
• B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
• C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes

Abstract

A non-transparent microvoided biaxially stretched self-supporting non-laminated polymeric film, the film comprising linear polyester as a continuous phase and dispersed uniformly therein an amorphous high polymer with a higher glass transition temperature than the glass transition temperature of the continuous phase and/or a crystalline high polymer having a higher melting point than the glass transition temperature of said continuous phase, wherein said linear polyester consists essentially of aromatic dicarboxylate and aliphatic dimethylene monomer units; the polymeric film has an optical density measured in transmission with a visible filter; and at least 50% of the optical density is due to microvoids; the use of the non-transparent microvoided biaxially stretched film as a synthetic paper; an image recording element comprising the non-transparent microvoided biaxially stretched film; and a process for obtaining a transparent pattern therewith.

IPC Classes  ?

• G03C 1/76 - Photosensitive materials characterised by the base or auxiliary layers

Abstract

An aqueous dispersion of latex particles, said latex particles containing a polymer containing monomer units according to formula (I): 1-5-alkylene residue and at least one polyanion compound.

IPC Classes  ?

• C08K 3/00 - Use of inorganic substances as compounding ingredients

Abstract

A process for preparing an ion-permeable web-reinforced separator membrane includes the steps of: providing a web (2A) and a suitable paste (5), guiding the web (2A) in a vertical position, equally coating both sides of the web with the paste to produce a paste coated web (2B), and applying a symmetrical surface pore formation step and a symmetrical coagulation step to the paste coated web to produce a web-reinforced separator membrane.

IPC Classes  ?

• B05D 5/10 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an adhesive surface

Abstract

A method for preparing a composition containing between 0.08 and 3.0% by weight of a polymer or copolymer of a 3,4-dialkoxythiophene in which said two alkoxy groups may be the same or different or together represent a oxy-alkylene-oxy bridge optionally substituted with substituents selected from the group consisting of alkyl, alkoxy, alkyoxyalkyl, carboxy, alkylsulphonato, alkyloxyalkylsulphonato and carboxy ester groups, a polyanion and at least one polyhydroxy non-aqueous solvent from a dispersion of said polymer or copolymer of (3,4-dialkoxythiophene) and said polyanion in water comprising in the following order the steps of: i) mixing at least one of said non-aqueous solvents with said aqueous dispersion of said polymer or copolymer of (3,4-dialkoxythiophene) and said polyanion; and ii) evaporating water from the mixture prepared in step i) until the content of water therein is reduced by at least 65% by weight; a printing ink, printing paste or coating composition, capable of yielding layers with an enhanced transparency at a given surface resistance, prepared according to the above-described method; a coating process with the coating composition thereby producing a layer with enhanced transparency at a given surface resistance; and a printing process with the printing ink or paste thereby producing a layer with enhanced transparency at a given surface resistance.

IPC Classes  ?

• H01B 1/12 - Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances