Abstract: Provided is a polymer having antimicrobial and disinfecting properties against a wide range of kinds of germs. A polymer, including: a polymer chain having a repeating unit represented by the following formula (1); and a partial structure (excluding the polymer chain) derived from a compound containing a group represented by —NH—. [In formula (1), R1 represents a hydrogen atom or a methyl group, Z represents a group forming an organic ammonium salt, —NR5R6 (where R5 and R6 each independently represent a hydrogen atom, or a substituted or unsubstituted hydrocarbon group), or a substituted or unsubstituted nitrogen-containing heterocyclic group, and X represents a single bond, or a divalent linking group.

Abstract: A composition for treating a surface of semiconductor is provided by (A) a polymer having a polymer chain having a repeating unit represented by the following Formula (1); and (B) a chelating agent having a molecular weight of 500 or less: wherein R1 represents a hydrogen atom or a methyl group; Z represents a group forming an organic ammonium salt, —NR5R6 (wherein R5 and R6 each independently represent a hydrogen atom, or a substituted or unsubstituted hydrocarbon group), or a substituted or unsubstituted nitrogen-containing heterocyclic group; and X represents a single bond or a divalent linking group.

Abstract: Provided is a polymer having antimicrobial and disinfecting properties against a wide range of kinds of germs. A polymer, including: a polymer chain having a repeating unit represented by the following formula (1); and a partial structure (excluding the polymer chain) derived from a compound containing a group represented by —NH—. [In formula (1), R1 represents a hydrogen atom or a methyl group, Z represents a group forming an organic ammonium salt, —NR5R6 (where R5 and R6 each independently represent a hydrogen atom, or a substituted or unsubstituted hydrocarbon group), or a substituted or unsubstituted nitrogen-containing heterocyclic group, and X represents a single bond, or a divalent linking group.

Abstract: A novel copolymer having excellent pigment dispersion performance, and more particularly, a novel copolymer usable as a pigment dispersing agent that can attain high luminance and high contrast of a green picture element in a color filter. The novel copolymer contains: a block chain (A) including a repeating unit having a tertiary amino group; and a block chain (B) including a repeating unit represented by the following formula (I) (wherein R1 represents a hydrogen atom or a C1-C3 alkyl group, R2 and R3 each independently represent a hydrogen atom or a C1-C6 alkyl group, Q represents an oxygen-containing saturated hetero ring group optionally having an alkyl group as a substituent or a C2-C20 alkenyl group, and n represents an integer of 0 to 6), and has an amine value of 80 mgKOH/g or more and 250 mgKOH/g or less.

Abstract: An object of the present invention is to provide a novel copolymer useful as a dispersing agent for a pigment or the like. The novel copolymer contains: a block chain (A) comprising at least one repeating unit selected from the group consisting of a repeating unit having a tertiary amino group and a repeating unit having a quaternary ammonium salt group; and a block chain (B) comprising a repeating unit having an acidic group and a repeating unit represented by the following formula (I) (wherein R1 represents a hydrogen atom or a C1-C3 alkyl group; and R2 represents an aliphatic hydrocarbon group or an alicyclic hydrocarbon group), wherein the repeating unit represented by formula (I) has a copolymerization ratio of 90 mass % or more in the block chain (B).

Abstract: The present invention provides a novel copolymer useful as a dispersing agent for a pigment or the like. The novel copolymer contains a block chain (A) consisting of a polymer comprising at least one repeating unit selected from the group consisting of a repeating unit having a tertiary amino group and a repeating unit having a quaternary ammonium base; and a block chain (B) consisting of a copolymer comprising a repeating unit having a polyoxyalkylene chain and a repeating unit having an acidic group.

Abstract: An object of the present invention is to provide a novel copolymer useful as a pigment dispersing agent in the field of color liquid crystal displays and the like.

Abstract: A novel copolymer having excellent pigment dispersion performance, and more particularly, a novel copolymer usable as a pigment dispersing agent that can attain high luminance and high contrast of a green picture element in a color filter. The novel copolymer contains: a block chain (A) including a repeating unit having a tertiary amino group; and a block chain (B) including a repeating unit represented by the following formula (I) (wherein R1 represents a hydrogen atom or a C1-C3 alkyl group, R2 and R3 each independently represent a hydrogen atom or a C1-C6 alkyl group, Q represents an oxygen-containing saturated hetero ring group optionally having an alkyl group as a substituent or a C2-C20 alkenyl group, and n represents an integer of 0 to 6), and has an amine value of 80 mgKOH/g or more and 250 mgKOH/g or less.

Abstract: An object of the present invention is to provide a novel copolymer useful as a pigment dispersing agent in the field of color liquid crystal displays and the like.

Abstract: An object of the present invention is to provide a novel copolymer useful as a dispersing agent for a pigment or the like. The novel copolymer contains: a block chain (A) comprising at least one repeating unit selected from the group consisting of a repeating unit having a tertiary amino group and a repeating unit having a quaternary ammonium salt group; and a block chain (B) comprising a repeating unit having an acidic group and a repeating unit represented by the following formula (I) (wherein R1 represents a hydrogen atom or a C1-C3 alkyl group; and R2 represents an aliphatic hydrocarbon group or an alicyclic hydrocarbon group), wherein the repeating unit represented by formula (I) has a copolymerization ratio of 90 mass % or more in the block chain (B).

Abstract: The present invention provides a novel copolymer useful as a dispersing agent for a pigment or the like. The novel copolymer contains a block chain (A) consisting of a polymer comprising at least one repeating unit selected from the group consisting of a repeating unit having a tertiary amino group and a repeating unit having a quaternary ammonium base; and a block chain (B) consisting of a copolymer comprising a repeating unit having a polyoxyalkylene chain and a repeating unit having an acidic group.

Abstract: An energy beam curable type ink jet printing ink comprising (A) a colorant, (B) a compound having at least one ethylenically unsaturated bond which can be polymerized by the application of an energy beam and (C) a photopolymerization initiator, wherein the component (B) is a compound having at least one methacryloyl group as a sole polymerizable unsaturated group and the component (C) is a 2-alkyl-2-amino-2-benzyl-1-(4-morpholinophenyl)ethan-1-one. This ink has low viscosity, high sensitivity and sufficiently high film strength after curing.

Abstract: An energy beam curable type ink jet printing ink comprising (A) a colorant, (B) a compound having at least one ethylenically unsaturated bond which can be polymerized by the application of an energy beam and (C) a photopolymerization initiator, wherein the component (B) is a compound having at least one methacryloyl group as a sole polymerizable unsaturated group and the component (C) is a 2-alkyl-2-amino-2-benzyl-1-(4-morpholinophenyl)ethan-1-one. This ink has low viscosity, high sensitivity and sufficiently high film strength after curing.

Abstract: There is provided a radiation-sensitive composition for forming a color filter used for a solid-state image sensing device excellent in resolution without generating residues and scumming on a silicon substrate or a silicon nitride substrate. The radiation-sensitive composition for forming the color filter for the solid-state image sensing device contains (A) a pigment, (B) a dispersant, (C) an alkali-soluble resin, (D) a polyfunctional monomer, (E) a photopolymerization initiator, and (F) a compound represented by the following formula (1): wherein R1 to R8 each denote independently a hydrogen atom, a halogen atom or a monovalent organic group. There is provided a color filter using the composition.