Abstract: A polymerizable composition includes a water-soluble monofunctional acrylamide compound, a water-soluble photoradical initiator, a water-soluble photosensitizer, and an aqueous solvent.

Abstract: An object of the present invention is to provide a composition that gives a cured product excellent in heat resistance and solvent resistance. The present invention provides a compound represented by the general formula (I) below and having at least one reactive group in a molecule. In the formula, A represents a hydrocarbon ring having 6 carbon atoms; X1 and X2 each represent, for example, an aryl group having 6 to 30 carbon atoms and optionally substituted with a reactive group or a group having a reactive group; R1, R2, R3, R4, R6, R7, R8, and R9 each represent, for example, a hydrogen atom, a reactive group, or a hydrocarbon group having 1 to 20 carbon atoms and optionally substituted with a reactive group; and R5 and R10 each represent, for example, a hydrogen atom, or a hydrocarbon group having 1 to 20 carbon atoms and optionally substituted with a reactive group.

Abstract: Provided are: a water-soluble composition which has excellent storage stability and is adaptable to a wide range of light sources and capable of forming a highly fine pattern; a method of producing a cured product of the same; a cured product of the same; and an acylphosphinate.

Abstract: Provided are: a radical polymerization initiator which has excellent sensitivity and solubility in water; a composition containing the same; a cured product of the composition; a method of producing the cured product; and a compound.

Abstract: Provided are: a radical polymerization initiator which has excellent sensitivity and solubility in water; a composition containing the same; a cured product of the composition; a method of producing the cured product; and a compound.

Abstract: A polymerizable composition includes an amide compound represented by Formula (1) and a polymerization initiator.

Abstract: Provided are: a curable composition having excellent photolithographic properties and resin elution properties; a cured product of the curable composition; and a curing method of the curable composition. The curable composition is characterized by including: (A) at least one selected from the group consisting of a water-soluble polyfunctional (meth)acrylates and water-soluble polyfunctional (meth)acrylamides; and (B) a photosensitive group-containing water-soluble polymer. The water-soluble polyfunctional (meth)acrylates are preferably compounds represented by Formula (I) below, and the water-soluble polyfunctional (meth)acrylamides are preferably compounds represented by Formula (II) below.

Abstract: Provided are: a radical polymerization initiator which has excellent sensitivity and solubility in water; a composition containing the same; a cured product of the composition; a method of producing the cured product; and a compound.

Abstract: A coating composition containing a water-soluble polymer selected from the group consisting of the following (1) and (2): (1) a polyvinyl alcohol, a modified product thereof or a derivative thereof; and (2) a polyvinylpyrrolidone, a modified product thereof or a derivative thereof.

Abstract: Provided are: a water-soluble composition which has excellent coatability and exhibits low liquid-crystal contamination and whose cured product has high durability; and a cured product composed of the same. The water-soluble composition contains: an acetoacetate group-containing polyvinyl alcohol (A); and at least one crosslinking agent (B) selected from the group consisting of a zirconium compound (B1) and a titanium compound (B2). The water-soluble composition preferably further contains an organic acid (C), and the polyvinyl alcohol may be a homopolymer or a copolymer, which contains vinyl alcohol as an essential monomer.

Abstract: Provided are: a curable composition having excellent photolithographic properties and resin elution properties; a cured product of the curable composition; and a curing method of the curable composition. The curable composition is characterized by including: (A) at least one selected from the group consisting of a water-soluble polyfunctional (meth)acrylates and water-soluble polyfunctional (meth)acrylamides; and (B) a photosensitive group-containing water-soluble polymer. The water-soluble polyfunctional (meth)acrylates are preferably compounds represented by Formula (I) below, and the water-soluble polyfunctional (meth)acrylamides are preferably compounds represented by Formula (II) below.

Abstract: Provided are: a water-soluble composition which has excellent storage stability and is adaptable to a wide range of light sources and capable of forming a highly fine pattern; a method of producing a cured product of the same; a cured product of the same; and an acylphosphinate.

Abstract: Provided are: a pattern-forming method by which a laminate that has excellent interlayer adhesion of a resist film, yields a high-definition pattern and exhibits excellent gas barrier properties and high solvent resistance is obtained; and an electronic device produced by the same. The pattern-forming method includes: the step (1) of forming a film using a composition on a support; the exposure step (2) of irradiating a prescribed part of the thus formed film with an active energy ray to modify the developability of the prescribed part; and the development step (3) of developing the film to obtain a pattern, wherein, a plurality of compositions that differ in solubility to a developing solution are used as the composition, and the resulting pattern has a multilayer structure.

Abstract: Provided are: a resin composition which has excellent transparency and coating properties and exhibits low liquid crystal-contaminating properties; and an optical film using the same. The resin composition contains a polyvinyl alcohol and a polyester, and the polyester has a carboxyl group and/or a carboxyl group salt as a substituent(s). The polyvinyl alcohol is preferably a homopolymer or a copolymer that contains vinyl alcohol as an essential monomer, and it is preferred that the polyvinyl alcohol has an acetoacetate group.

Abstract: Provided are: a pattern-forming method by which a laminate that has excellent interlayer adhesion of a resist film, yields a high-definition pattern and exhibits excellent gas barrier properties and high solvent resistance is obtained; and an electronic device produced by the same. The pattern-forming method includes: the step (1) of forming a film using a composition on a support; the exposure step (2) of irradiating a prescribed part of the thus formed film with an active energy ray to modify the developability of the prescribed part; and the development step (3) of developing the film to obtain a pattern, wherein, a plurality of compositions that differ in solubility to a developing solution are used as the composition, and the resulting pattern has a multilayer structure.

Abstract: Provided are a polymerizable liquid crystal composition, a coating material, a medium, and a polarizing device each produced using a polymerizable liquid crystal compound and a colorant and each capable of producing polarized light suitable for polarizing devices, and also a novel naphtholactam derivative, a novel coumarin derivative, a novel Nile Red derivative, and a novel anthracene derivative each suitable for use as the colorant. Specifically provided are a polymerizable liquid crystal composition containing (A) at least one liquid crystal compound having a polymerizable functional group, (B) at least one colorant, and (C) a polymerization initiator, and a novel naphtholactam derivative of formula (IV?), a novel coumarin derivative of formula (VI?), a novel Nile Red derivative of formula (VII?), and a novel anthracene derivative of formula (VIII?) each suitable for use as the colorant (B).

Abstract: Disclosed is a liquid crystal composition formed by including a polymerizable compound represented by general formula (I) in a nematic liquid crystal composition with negative dielectric anisotropy (??). In the formula, ring C1 represents a benzene-1,2,4-triyl group, or the like; rings C2 to C4 represent a 1,4-phenylene group, a naphthalene-2,6-diyl group, or the like; M1 to M3 represent a hydrogen atom or a methyl group; Z1 and Z2 are a direct coupling, -L1-, -L1O—, -L1O—CO—, or the like; Z6 is a direct coupling, -L2-, -OL2-, —O—COL2-, or the like; at least one of Z1, Z2, and Z6 is not a direct coupling; L1 and L2 represent a C1-10 alkylene group; Z3 to Z5 represent a direct coupling, an ester bond, or the like; and p, q, and r are 0 or 1, wherein 1?p+q+r?3.

Abstract: Provided are a polymerizable liquid crystal composition, a coating material, a medium, and a polarizing device each produced using a polymerizable liquid crystal compound and a colorant and each capable of producing polarized light suitable for polarizing devices, and also a novel naphtholactam derivative, a novel coumarin derivative, a novel Nile Red derivative, and a novel anthracene derivative each suitable for use as the colorant. Specifically provided are a polymerizable liquid crystal composition containing (A) at least one liquid crystal compound having a polymerizable functional group, (B) at least one colorant, and (C) a polymerization initiator, and a novel naphtholactam derivative of formula (IV?), a novel coumarin derivative of formula (VI?), a novel Nile Red derivative of formula (VII?), and a novel anthracene derivative of formula (VIII?) each suitable for use as the colorant (B).

Abstract: A polymerizable optically-active imide compound represented by the following general formula (I). Preferable among the polymerizable optically-active imide compound are compounds wherein X3 and X4 in general formula (I) are both —CO—, compounds wherein the rings A2 and A3 in general formula (I) are both naphthalene rings, compounds wherein the rings A1, A2, A3, and A4 are all benzene rings, compounds wherein M1 and M2 in general formula (I) are both hydrogen atoms, or compounds wherein rings A1 and A4, as well as rings A2 and A3, in general formula (I) are the same ring, the groups M1 and M2, X1 and X6, X2 and X5, as well as X3 and X6 are the same group in each pair, and n and m are the same number.

Abstract: A liquid crystal composition includes 100 parts by mass of a nematic liquid crystal composition having negative dielectric anisotropy and 0.01 to 3 parts by mass of a polymerizable compound of general formula (I). On being irradiated with an energy ray, such as UV rays, the liquid crystal composition provides an LCD capable of high-speed response without undergoing reduction in reliability (voltage holding ratio). In formula (I), rings C1-3 are benzene, cyclohexane or naphthalene; M1-2 are hydrogen or methyl; Z1 is a direct bond, -L1-, -L1O—, etc.; Z4 is a direct bond, -L2-, —OL2-, etc.; at least one of Z1 and Z4 is not a direct bond; L1,2 are C1-C10 alkylene; when Z1?Z4, one or more hydrogen atoms of the rings C1, C2, and C3 are substituted; Z2 and Z3 are each a direct bond, an ester bond, etc.; p and q are each 0 or 1, provided that p+q?1.