Provided are: a photoacid generator that effectively generates acid even when a substance such as a colorant which attenuates or blocks radiated light is present at a high concentration, the film thickness thereof is large, and a light source is visible light to infrared light, particularly infrared light having low energy; and a highly curable photosensitive composition using the photoacid generator. The present invention is a photoacid generator that is a metal complex having, as a ligand, a ring structure formed by bonding five-membered ring aromatic heterocyclic compounds directly or by π-conjugation, wherein a central metal has one or two axial ligands, and the axial ligand has an onium salt structure.
C07D 487/22 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups in which the condensed system contains four or more hetero rings
2.
NEGATIVE PHOTOSENSITIVE RESIN COMPOSITION, PATTERN FORMATION METHOD, AND LAMINATED FILM
A negative photosensitive resin composition containing an epoxy group-containing resin and a cationic polymerization initiator which includes a sulfonium salt represented by General Formula (I0). In Formula (I0), R1 and R2 represent an aryl group, a heterocyclic hydrocarbon group, or an alkyl group. R3 to R5 are an alkyl group, a hydroxy group, an alkoxy group, an alkylcarbonyl group, an arylcarbonyl group, an acyloxy group, an arylthio group, an alkylthio group, an aryl group, a heterocyclic hydrocarbon group, an aryloxy group, a hydroxy(poly)alkyleneoxy group, or a halogen atom. k is an integer of 0 to 4, m is an integer of 0 to 3, and n is an integer of 1 to 4. A is a group represented by —S—, —O—, —SO—, —SO2—, or —CO—. X− represents a monovalent polyatomic anion
A negative photosensitive resin composition containing an epoxy group-containing resin and a cationic polymerization initiator which includes a sulfonium salt represented by General Formula (I0). In Formula (I0), R1 and R2 represent an aryl group, a heterocyclic hydrocarbon group, or an alkyl group. R3 to R5 are an alkyl group, a hydroxy group, an alkoxy group, an alkylcarbonyl group, an arylcarbonyl group, an acyloxy group, an arylthio group, an alkylthio group, an aryl group, a heterocyclic hydrocarbon group, an aryloxy group, a hydroxy(poly)alkyleneoxy group, or a halogen atom. k is an integer of 0 to 4, m is an integer of 0 to 3, and n is an integer of 1 to 4. A is a group represented by —S—, —O—, —SO—, —SO2—, or —CO—. X− represents a monovalent polyatomic anion
G03F 7/32 - Liquid compositions therefor, e.g. developers
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
3.
SULFONIUM SALT, PHOTOACID GENERATOR, CURABLE COMPOSITION, AND RESIST COMPOSITION
Provided are: a new sulfonium salt highly photosensitive to active energy ray, in particular, i-line or h-line; and a new photoacid generator which is highly photosensitive to i-line or h-line, and comprises a sulfonium salt that is highly soluble in a solvent and a cationically polymerizable compound such as an epoxy compound, and has excellent storage stability in the formulation. The present invention pertains to a sulfonium salt represented by general formula (1), and a photoacid generator comprising said sulfonium salt.
Provided are: a new sulfonium salt highly photosensitive to active energy ray, in particular, i-line or h-line; and a new photoacid generator which is highly photosensitive to i-line or h-line, and comprises a sulfonium salt that is highly soluble in a solvent and a cationically polymerizable compound such as an epoxy compound, and has excellent storage stability in the formulation. The present invention pertains to a sulfonium salt represented by general formula (1), and a photoacid generator comprising said sulfonium salt.
C07C 309/06 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing halogen atoms, or nitro or nitroso groups bound to the carbon skeleton
Provided is an onium salt functioning as a photoacid generator. The photoacid generator can provide a chemically amplifiable photoresist composition when it is combined with a resin component whose solubility in alkali is increased by the action of an acid generated by active energy ray irradiation such as Light or electron beam irradiation. The present invention relates to an onium salt represented by the formula (1), containing an anion structure with a proportion of a facial isomer in a total of the facial isomer and a meridional isomer being 15.0% by weight or lower.
Provided is an onium salt functioning as a photoacid generator. The photoacid generator can provide a chemically amplifiable photoresist composition when it is combined with a resin component whose solubility in alkali is increased by the action of an acid generated by active energy ray irradiation such as Light or electron beam irradiation. The present invention relates to an onium salt represented by the formula (1), containing an anion structure with a proportion of a facial isomer in a total of the facial isomer and a meridional isomer being 15.0% by weight or lower.
[(R2)n+1-E]+[(R1)3(F)3P]− (1)
Provided are a novel sulfonium salt having high photosensitivity to g-rays or h-rays; a novel photoacid generator containing a sulfonium salt that has high photosensitivity to g-rays or h-rays, has high solubility in solvents and cationically polymerizable compounds such as epoxy compounds, and has an excellent storage stability in compositions containing the cationically polymerizable compounds; and the like. The present invention relates to a sulfonium salt represented by the formula (1), a photoacid generator containing the sulfonium salt, and the like.
Provided are a novel sulfonium salt having high photosensitivity to g-rays or h-rays; a novel photoacid generator containing a sulfonium salt that has high photosensitivity to g-rays or h-rays, has high solubility in solvents and cationically polymerizable compounds such as epoxy compounds, and has an excellent storage stability in compositions containing the cationically polymerizable compounds; and the like. The present invention relates to a sulfonium salt represented by the formula (1), a photoacid generator containing the sulfonium salt, and the like.
C07D 333/78 - Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems condensed with rings other than six-membered or with ring systems containing such rings
A sulfonium salt is formed of a sulfonium cation selected from a group indicated by general formulas (1), (2), and (3) and a gallate anion represented by formula (a). A photoacid generator is characterized in that said sulfonium salt is contained therein. An energy-ray curable composition contains the acid generator and a cationic polymerizable compound. A cured product is formed by curing these substances.
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
C07F 5/00 - Compounds containing elements of Groups 3 or 13 of the Periodic System
C07F 7/08 - Compounds having one or more C—Si linkages
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C08K 5/45 - Heterocyclic compounds having sulfur in the ring
C08K 5/56 - Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
The sulfonium salt does not contain a toxic metal and exhibits higher cationic polymerization performance and crosslinking performance than a tetrakis(pentafluorophenyl)borate salt. The heat- or photo-acid generator contains the sulfonium salt. The sulfonium salt is formed of a sulfonium cation selected from a group represented by general formulas (1), (9), (10) and (11) described below and a gallate anion represented by formula (a). The heat- or photo-acid generator contains the sulfonium salt. The heat- or energy ray-curable composition contains the acid generator and a cationically polymerizable compound. A cured product can be obtained by curing the same.
C07D 209/88 - Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
C07D 279/20 - [b, e]-condensed with two six-membered rings with hydrogen atoms directly attached to the ring nitrogen atom
C07D 309/38 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms one oxygen atom in position 2 or 4, e.g. pyrones
C07F 5/00 - Compounds containing elements of Groups 3 or 13 of the Periodic System
C07D 311/16 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
9.
Sulfonate compound, photoacid generator, and resin composition for photolithography
Provided are: a non-ionic photoacid generator containing a sulfonate compound having a high photosensitivity to i lines, exhibiting excellent heat-resistance stability, and exhibiting excellent solubility in a hydrophobic material; and a resin composition for photolithography containing the same. The present invention is a sulfonate compound characterized by being represented by general formula (1).
[In formula (1), R1 represents an aryl group having 6 to 18 carbon atoms or a heterocyclic hydrocarbon group having 4 to 20 carbon atoms. R2 represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon atoms, an alkynyl group having 2 to 18 carbon atoms, or an aryl group having 6 to 18 carbon atoms. R3 represents a hydrocarbon group having 1 to 18 carbon atoms (in which some or all hydrogen atoms may be substituted with fluorine).]
G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
C07C 309/73 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
C07D 311/12 - Benzo [b] pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 3 and unsubstituted in position 7
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
C07F 9/06 - Phosphorus compounds without P—C bonds
C07C 279/04 - Derivatives of guanidine, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to acyclic carbon atoms of a carbon skeleton
C07D 233/54 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
C07D 409/06 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
C07D 233/58 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring nitrogen atoms
C07D 233/60 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with hydrocarbon radicals, substituted by oxygen or sulfur atoms, attached to ring nitrogen atoms
Provided is a novel sulfonium salt that has high solubility in a solvent and has high light sensitivity to, especially, light having a wavelength not longer than deep-UV (254 nm) and a novel photo-acid generator comprising the sulfonium salt. The invention relates to a sulfonium salt represented by the following general formula (1) and a novel photo-acid generator comprising the sulfonium salt.
−represents a monovalent counter anion.
C07C 281/12 - Compounds containing any of the groups e.g. semicarbazides the other nitrogen atom being further doubly-bound to a carbon atom, e.g. semicarbazones the carbon atom being part of a ring other than a six-membered aromatic ring
C07C 309/06 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing halogen atoms, or nitro or nitroso groups bound to the carbon skeleton
C07C 309/19 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of a saturated carbon skeleton containing rings
C07C 311/48 - Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups having nitrogen atoms of sulfonamide groups further bound to another hetero atom
C07C 317/04 - Sulfones; Sulfoxides having sulfone or sulfoxide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
G03F 7/028 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
C07C 331/00 - Derivatives of thiocyanic acid or of isothiocyanic acid
G03F 7/029 - Inorganic compounds; Onium compounds; Organic compounds having hetero atoms other than oxygen, nitrogen or sulfur
C07D 495/00 - Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
C07D 335/04 - Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
14.
Fluorinated alkyl fluorophoshoric acid salts of onium and transition metal complex
To obtain a polymerization initiator (acid generating agent) having excellent power for initiation of cationic polymerization without containing arsenic or antimony.
Provided is a specific onium salt or transition metal complex salt of a fluorinated alkyl fluorophosphoric acid.
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
patents
