Adeka Corporation

Toppan Printing Co., Ltd.

Yoshie Makabe

Naomi Sato

Hiromitsu Ito

Yasuyuki Demachi

Azumi Sato

Naoki Maeda

Masaaki Shimizu

Yuta Okuyama

Tadatoshi Maeda

Toshihiko Murai

Shohei Fujita

Nozomi Nawa

Kazuyuki Fuchigami

Koichi Kimishima

Tomohito Ishiguro

Disclosed are a photo-acid generator having high developing properties, a cationic polymerization initiator having high curing properties, and a resist composition and a cationically polymerizable composition containing the photo-acid generator and the cationic polymerization initiator, respectively. Described are a noble aromatic sulfonium salt compound of general formula (I) and a photo-acid generator, a cationic polymerization initiator, a resist composition, and a cationically polymerizable composition containing the compound.  In formula (I), Rto Rare each an optionally substituted C1-C18 alkyl, etc.; Rto Rare each an optionally substituted C1-C18 alkyl, etc.; Ris an optionally substituted C1-C18 alkyl, etc.; and Xis a monovalent anion.

Aromatic sulfonium salt compound

Disclosed are a novel sulfonic acid derivative compound and a novel naphthalic acid derivative compound with high solubility in organic solvents, good photosensitivity, and suitability as a photoacid generator and a polymerization initiator. The sulfonic acid derivative compound is represented by the formula (I) (wherein R, R, R, and Rrepresent a hydrogen atom; any one of Rand Rrepresents an alkoxy group having a carbon number of 4 to 18 which may be substituted with an alicyclic hydrocarbon group, a heterocyclic group, or a halogen atom and which may have a branch, or the like; and Rrepresents an aliphatic hydrocarbon group having a carbon number of 1 to 18 which may be substituted with a halogen atom and/or an alkylthio group, or the like).

Sulfonic acid derivative compound and novel naphthalic acid derivative compound

A colored alkali-developable photosensitive resin composition comprising an alkali-developable resin composition that contains a reaction product obtained by esterification of an epoxy-adduct with a polybasic acid anhydride (C) and then with a polyfunctional epoxy compound (D), wherein the epoxy-adduct has a structure in which an unsaturated monobasic acid (B) is added to an epoxy resin (A) represented by general formula (I) below, a coloring material (E) and a photopolymerization initiator (F). wherein Cy represents a cycloalkyl group having 3 to 10 carbon atoms; X represents a hydrogen atom, a phenyl group, or a cycloalkyl group having 3 to 10 carbon atoms; the phenyl group or the cycloalkyl group having 3 to 10 carbon atoms is optionally substituted with an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or a halogen atom; each of Y and Z independently represents an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or a halogen atom, wherein the alkyl group, the alkoxy group, and the alkenyl group are optionally substituted with a halogen atom; n represents a number of 0 to 10; p represents a number of 0 to 4; and r represents a number of 0 to 4.

Colored alkali-developable photosensitive resin composition and color filter using the same

An alkali-developable, colored photosensitive resin composition obtained by adding a colorant and a photopolymerization initiator to an alkali-developable resin composition, containing a reaction product obtained by esterification between an epoxy adduct and a polybasic acid anhydride, the epoxy adduct having a structure formed by adding an unsaturated monobasic acid and a compound selected from a phenol compound, an alcohol compound, an amine compound, and a carboxylic acid to an epoxy resin represented by general formula. The epoxy adduct is formed by adding 0.1 to 1.0 carboxyl group of the unsaturated monobasic acid and 0 to 0.9 phenolic hydroxyl group, alcoholic hydroxyl group, amino group or carboxyl group per epoxy group of the epoxy resin, with the sum of the carboxyl unsaturated monobasic acid and the phenolic hydroxyl group, alcoholic hydroxyl, amino or carboxyl group being 0.1 to 1.0 per epoxy group.

Alkali-developable, colored photosensitive resin composition and color filter using the alkali-developable, colored photosensitive resin composition

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Tokyo, Japan

Yoshie Makabe