The actinic ray-sensitive or radiation-sensitive resin composition of the present invention contains a resin (P) including a repeating unit (i) having a group which decomposes by the action of an acid represented by the following General Formula (1), a pattern forming method using the composition, a method for manufacturing an electronic device, and an electronic device. ##STR00001##

The actinic ray-sensitive or radiation-sensitive resin composition of the present invention contains a resin (P) including a repeating unit (i) having a group which decomposes by the action of an acid represented by the following General Formula (1), a pattern forming method using the composition, a method for manufacturing an electronic device, and an electronic device. ##STR00001##

An active energy ray curable composition is provided. The active energy ray curable composition includes polymerizable compounds including a first monofunctional monomer having a polar group, a second monofunctional monomer having no polar group, and a polyfunctional monomer. The homopolymer of each of the first monofunctional monomer and the second monofunctional monomer has a glass transition temperature of 50° C. or more. The first monofunctional monomer and the second monofunctional monomer account for 50% by mass or more of the polymerizable compounds in total, and the polyfunctional monomer accounts for 30% by mass or less of the polymerizable compounds.

An active energy ray curable composition is provided. The active energy ray curable composition includes polymerizable compounds including a first monofunctional monomer having a polar group, a second monofunctional monomer having no polar group, and a polyfunctional monomer. The homopolymer of each of the first monofunctional monomer and the second monofunctional monomer has a glass transition temperature of 50° C. or more. The first monofunctional monomer and the second monofunctional monomer account for 50% by mass or more of the polymerizable compounds in total, and the polyfunctional monomer accounts for 30% by mass or less of the polymerizable compounds.

The present invention provides a polymerizable liquid crystal composition containing at least one polymerizable liquid crystal compound (I) having one polymerizable functional group in its molecule, at least one polymerizable liquid crystal compound (II) having two polymerizable functional groups in its molecule, and at least one compound (III) having tree or more aromatic rings at least one of which is substituted by an alkyl group having 1 to 5 carbon atoms or an alkoxy group having 1 to 5 carbon atoms. Also, the present invention provides an optically anisotropic body using the polymerizable liquid crystal composition of the present invention.

The present invention relates to a vinyl chloride-based polymer containing an unsaturated fatty acid ester at a specific ratio, a method for preparing the same, a thermoplastic resin composition containing the same, and a thermoplastic resin molded article produced from the composition. The vinyl chloride-based polymer may have good processability, and thus, the thermoplastic resin molded article produced from the thermoplastic resin composition containing the vinyl chloride-based polymer may have high impact strength and improved appearance characteristics.

A compound, an acrylic polymer formed by a copolymerization reaction of the compound with an ethylenic unsaturated monomer, photosensitive resin composition including the compound being represented by Chemical Formula 1 and a color filter:

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A compound, an acrylic polymer formed by a copolymerization reaction of the compound with an ethylenic unsaturated monomer, photosensitive resin composition including the compound being represented by Chemical Formula 1 and a color filter:

##STR00001##

Provided are an active-light-sensitive or radiation-sensitive resin composition in which the sensitivity is excellent, and an active-light-sensitive or radiation-sensitive film, a pattern forming method, and a method for manufacturing an electronic device, each using the active-light-sensitive or radiation-sensitive resin composition. The active-light-sensitive or radiation-sensitive resin composition contains a resin (Ab) whose polarity is changed by the action of an acid, and a compound that generates an acid upon irradiation with active light or radiation, in which the resin (Ab) includes a metal ion, and the metal type of the metal ion is at least one of metal types belonging to Groups 1 to 10 and 13 to 16 (here, excluding Mg and Cs).

The present invention relates to a compound represented by any one of the following formula A to formula C, and a photosensitive composition comprising the same, wherein the structure of the compound represented by any one of formula A to formula C is as described in the detailed description of the invention.