The invention pertains to a method of monitoring the quality of a mattress during its lifetime, wherein the mattress is an assembly of multiple separate parts, wherein the parts are mechanically interconnected, the method comprising during its lifetime, assessing at least one property of the mattress, determining whether or not the property meets a predetermined specification, and when the property does not meet the predetermined specification, identifying a part of the said multiple separate parts that corresponds to the property, removing the identified part from the assembly and optionally replacing the removed part with a replacement part, wherein the mattress that is monitored is manufactured by forming the mechanical interconnection with an adhesive, which adhesive has a first order phase-transition temperature between 80°C and 180°C, at which temperature the adhesive undergoes a solid-liquid transition, and wherein before the said removing of the identified part, the adhesive with which this part is interconnected with other parts in the assembly is heated to a temperature above its phase-transition temperature, whereafter the identified part is grasped and pulled out of the assembly. The invention also pertains to a method of manufacturing a mattress suitable for use in this monitoring method.
The present invention further relates to a waterborne dispersion comprising (A) polymer P; (B) amphiphilic block copolymer obtained with a controlled radical polymerization process and comprising at least blocks [A] and [B], whereby block [A] comprises ethylenically unsaturated monomer(s) bearing water-soluble and/or water-dispersible functional groups (monomer(s) (i)), and block [B] comprises ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (ii)); and (C) crosslinker, characterized in that the polymer P is crosslinkable and comprises ethylenically unsaturated monomer(s) bearing crosslinkable functional groups different from monomer(s) (i) and monomer(s) (ii) (monomer(s) (iii)) in an amount of from 1 to 10 wt.%, based on the total weight of monomers used to prepare the polymer P, the amount of lock copolymer is higher than 1 wt.% and lower than 30 wt.%, based on the total weight of monomers used to prepare the block copolymer and polymer P; the acid value of the composition consisting of block copolymer and polymer P is higher than 1 and lower than 17 mg KOH per g of the block copolymer-polymer P composition.
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08F 8/32 - Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
C08F 287/00 - Macromolecular compounds obtained by polymerising monomers on to block polymers
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
C09D 151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
C09D 153/00 - Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
The present invention relates to a waterborne dispersion comprising (A) amphiphilic block copolymer obtained with a controlled radical polymerization process and comprising at least blocks [A] and [B], whereby block [A] comprises ethylenically unsaturated monomer(s) bearing water-soluble and/or water-dispersible functional groups (monomer(s) (i)), and block [B] comprises ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (ii)); and (B) polymer P comprising ethylenically unsaturated monomer(s) different from (i) (monomer(s) (ii)), characterized in that the amount of block copolymer is higher than 1 and lower than 30 wt.%, based on the total weight of monomers used to prepare the block copolymer and polymer P; the acid value of the composition consisting of block copolymer and polymer P is higher than 1 and at most 35 mg KOH per g of the block copolymer-polymer P composition; the block copolymer has a calculated glass transition temperature of higher than 10 °C and lower than 250 °C; and polymer P comprises at least 20 wt.% (relative to the total monomer composition to prepare the polymer P) of a polymer fraction with a calculated glass transition temperature higher than 10°C and lower than 100°C.
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08F 8/32 - Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
C08F 287/00 - Macromolecular compounds obtained by polymerising monomers on to block polymers
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
C09D 153/00 - Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
4.
THERMOSETTING POWDER COATING COMPOSITIONS HAVING LOWER CHALK-FREE TEMPERATURE
Thermosetting powder coating compositions and processes for making the thermosetting powder coating compositions and processes for coating an article with the thermosetting powder coating compositions are disclosed. Cured thermosetting powder coating compositions are obtained by curing of the thermosetting powder coating compositions of the invention. Articles are provided having coated thereon the thermosetting powder coating compositions as well as to articles having coated and cured thereon the thermosetting powder coating compositions. The thermosetting powder coating compositions exhibit a substantially lower Tchalk-free, that is a .DELTA.Tchaik-free which is in the range of from and including 5 up to and not including 10° C, Wherein .DELTA.Tchalk-free = Tchalk-freeREF - Tchalk-freeA Where Tchalk-freeA is the Tchalk-free of a thermosetting powder coating composition (TPCC) according to the invention (TPCC-A) and TChalk-freeREF is the Tchalk-free of a thermosetting powder costing composition not according to the invention (TPCC-REF) that is comparable to TPCC-A.
The invention relates to thermosetting powder coating compositions as disclosed herein, said compositions comprising one or more unsaturated resins comprising ethylenic unsaturations, one or more curing agents, and one or more thermal radical initiators, wherein at least one of the initiators is a peroxydicarbonate-X. The invention further relates to a process for making said thermosetting powder coating compositions and processes for coating an article with said thermosetting powder coating compositions. The invention further relates to cured thermosetting powder coating compositions obtained by curing of the thermosetting powder coating compositions of the invention. The invention further relates to an article having coated thereon said thermosetting powder coating composition as well as to an article having coated and cured thereon said thermosetting powder coating composition. The invention further relates to the use of said thermosetting powder coating compositions, to the use of an article having coated thereon said thermosetting powder coating compositions and to the use of an article having coated and cured thereon said thermosetting powder coating compositions. The invention further relates to various uses of either the thermosetting powder coating compositions of the invention, or the cured thermosetting powder coating compositions of the invention or of articles having coated thereon the thermosetting powder coating composition of the invention, or of articles having coated and cured thereon the thermosetting powder coating composition of the invention. The invention further relates to a method for enabling the fast heat-curing of a thermosetting powder coating composition at low temperature. The invention further relates to a method for enhancing the chemical resistance of a powder coating obtained by heat curing of the thermosetting powder coating composition of the invention at low temperature.
C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
C09D 163/10 - Epoxy resins modified by unsaturated compounds
C09D 167/06 - Unsaturated polyesters having carbon-to-carbon unsaturation
C09D 169/00 - Coating compositions based on polycarbonates; Coating compositions based on derivatives of polycarbonates
The invention relates to thermosetting powder coating compositions as these are disclosed herein. The compositions comprise certain unsaturated resins comprising ethylenic unsaturations, curing agents selected from vinyl urethanes, vinyl functionalized urethane resins and mixtures thereof, dilauroyl peroxide as initiator, and a co-initiator selected from the group of onium compounds and sulpho-compounds. The invention further relates to a process for making said thermosetting powder coating compositions and processes for coating an article with said thermosetting powder coating compositions. The invention further relates to cured thermosetting powder coating compositions obtained by curing of the thermosetting powder coating compositions of the invention. The invention further relates to an article having coated thereon said thermosetting powder coating composition as well as to an article having coated and cured thereon said thermosetting powder coating composition. The invention further relates to the use of said thermosetting powder coating compositions, to the use of an article having coated thereon said thermosetting powder coating compositions and to the use of an article having coated and cured thereon said thermosetting powder coating compositions. The invention further relates to various uses of either the thermosetting powder coating compositions of the invention, or the cured thermosetting powder coating compositions of the invention or of articles having coated thereon the thermosetting powder coating composition of the invention, or of articles having coated and cured thereon the thermosetting powder coating composition of the invention. The invention further relates to a method for enabling the fast heat-curing of a thermosetting powder coating composition at low temperature. The invention further relates to a method for enhancing the chemical resistance of a powder coating obtained by heat curing of the thermosetting powder coating composition of the invention at low temperature.
C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
C09D 163/10 - Epoxy resins modified by unsaturated compounds
C09D 167/06 - Unsaturated polyesters having carbon-to-carbon unsaturation
C09D 169/00 - Coating compositions based on polycarbonates; Coating compositions based on derivatives of polycarbonates
The invention relates to a thermosetting powder coating composition C (PCC C) comprising a physical mixture of a thermosetting powder coating composition A (PCC A) with a separate, distinct thermosetting powder coating composition B (PCC B). The invention further relates to a process for making said PCC C and processes for coating an article with said PCC C. The invention further relates to a cured PCC C (c-PCC C).The invention further relates to an article having coated thereon said PCC C and to an article having coated and cured thereon said PCC C. The invention further relates to the use of PCC C for heat- curing at low temperatures. The invention further relates to the use of said PCC C, to the use of an article having coated thereon said PCC C and to the use of an article having coated and cured thereon said PCC C.
C09D 5/46 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrostatic or whirl-sintering coating
In various aspects, the invention relates to a thermosetting powder coating composition comprising: (A) an unsaturated resin comprising ethylenic unsaturations (UR), that is an unsaturated polymer having i) and ii): i) a theoretical number average molecular weight (Mn) of at least 200 and at most 20000 Da and ii) ethylenic unsaturations which are cis- or trans-configured reactive carbon- carbon double bond unsaturations and do not include aromatic unsaturations, carbon- carbon triple bonds, carbon-heteroatom unsaturations; and wherein the UR is selected from the group consisting of polyester resins, acrylic resins, polyurethanes, epoxy resins, polyam ides, polyesteram ides, polycarbonates, polyureas and mixtures thereof; and (B) a thermal radical initiator comprising a first thermal radical initiator, wherein, the first thermal radical initiator is a methyl-substituted benzoyl peroxide; processes for making thermosetting powder coating compositions; and articles comprising such coatings.
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
9.
VINYL FUNCTIONALIZED URETHANE RESINS FOR POWDER COATING COMPOSITIONS
Disclosed are a vinyl functionalized urethane resin (VFUR) and vinyl functionalized urethane resin composition (VFURC), which may be useful as curing agents in thermosetting powder coating compositions (TPCC); a TPCC; a cured TPCC; and an article coated with said TPCC. Also disclosed are processes for making said VFUR, VFURC and TPCC and for coating an article with said TPCC; uses of the VFUR, VFURC, TPCC or articles having coated and cured thereon said TPCC; a TPCC useful for powder-in-mould coating articles; powder-in-mould coating methods employing the TPCC; and uses of the coated articles. The VFUR and/or VFURC when used in TPCCs provide inventive TPCCs having enhanced properties, for example, processability during and after melt extrusion and good storage stability. The TPCCs may provide, upon curing, powder coatings having acceptable smoothness, good flexibility, and/or good coffee, scratch and/or acetone resistance.
CA 2868384 ABSTRACT The present invention is directed to permanently alkaline neutralized aqueous dispersions of polyurethane or polyurethane-acrylics dispersions that are Schiff base cross-linkable and to the preparation of such dispersions. The invention also relates to an aqueous coating composition obtained from the above process, in which polyurethane A and/or vinyl polymer B is Schiff base crosslinkable under ambient conditions, useful as decorative and/or protective coatings. CA 2868384 2019-04-26
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
The invention relates to a one component heat curable powder coating composition system for being cured at a temperature from 60 to 130°C comprising: a thermal initiation system and a resin system, wherein the reactivity of the thermal initiation system is such that the thermal initiation system provides a geltime between 2.5 and 1000 minutes at 60°C in butane diol-dimethacrylate as measured according to DIN 16945 using 1 wt% of the thermal initiation system in 99 wt% of butane diol-dimethacrylate, wherein the amount of thermal initiation system is chosen such that when the powder coating composition is applied to a substrate and cured at a temperature of 130°C for 20 minutes, the coating resists at least 50 acetone double rubs, wherein the resin system comprises a resin and a co-crosslinker, wherein the resin contains reactive unsaturations and wherein said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, wherein the co-crosslinker is chosen from methacrylates, vinyl esters, vinyl ethers, vinyl amides, alkyne ethers, alkyne esters, alkyne amides, alkyne amines, propargyl ethers, propargyl ethers, propargyl esters, itaconates, enamines and mixtures thereof, wherein the weight per unsaturation in the resin system is between 100 and 1000 g/mole as determined using 1H NMR.
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
The invention relates to a one component heat-curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a transition metal catalyst and a peroxide, wherein the peroxide is chosen from the group of peroxyesters, mono-peroxycarbonates and mixtures thereof and a co-crosslinker chosen from the group of vinylethers, vinylesters, vinylamides, itaconates, enamines and mixtures thereof.
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
The invention relates to a one component heat curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a peroxide chosen from the group of compounds represented by formula (1), wherein R1 and R2 each independently stand for an optionally substituted alkyl of 1 to 30 C-atoms, wherein the 1 to 30 C-atoms do not include the C-atoms of the substituents or for an optionally substituted aryl of 6 to 18 C-atoms, wherein the 6 to 18 C-atoms do not include the C-atoms of the substituents, and a co- crosslinker chosen from the group of vinylethers, vinyletherurethanes, vinylesters, vinylamides, itaconates, enamines, vinylureas and mixtures thereof.
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
patents
