Abstract: A polyester resin for a toner including: a repeating unit derived from a dicarboxylic acid component; and a repeating unit derived from a diol component represented by Formula 1: wherein each of R1 and R2 independently represents a hydrogen atom or a methyl group, each of L1, L2 and L3 independently represents a divalent linking group selected from the group consisting of carbonyl groups, ester groups, ether groups, sulfonyl groups, substituted or unsubstituted chained alkylene groups, substituted or unsubstituted cyclic alkylene groups, substituted or unsubstituted arylene groups, and combinations thereof, L1 and L2 or L1 and L3 optionally forms a ring, and each of A1 and A2 independently represents a rosin ester group, wherein the solubility parameter (SP) value is from 9.1 to 9.7.

Abstract: A toner for developing an electrostatic charge image includes an aliphatic polyester resin and a polyester resin having a repeating unit derived from rosin diol.

Abstract: A polyurethane resin which is an addition polymer, includes an isocyanate compound containing at least a compound having two or more isocyanate groups; and an alcohol compound containing rosin diol represented by Formula (1): wherein in Formula (1), R1 and R2 represent a hydrogen atom or a methyl group, L1, L2, and L3 each independently represent a carbonyl group, an ester group, an ether group, a sulfonyl group, a chain alkylene group which may have a substituent, a cyclic alkylene group which may have a substituent, an arylene group which may have a substituent, and a divalent linking group selected from a group consisting of combinations of the above-described groups, wherein L1 and L2 or L1 and L3 may form a ring together, and A1 and A2 represent a rosin ester group.

Abstract: A polyester resin for a toner is a polycondensate of a carboxylic acid component and an alcohol component including rosin diol that is represented by the following formula (1) and has an alicyclic structure (alicyclic alcohol), wherein R1 and R2 each independently represents hydrogen or a methyl group, L1 represents a divalent linking group having an alicyclic structure, L2 and L3 each independently represents a divalent linking group selected from a group consisting of a carbonyl group, a carboxyl group, an ether group, a sulfonyl group, a chain-like alkylene group which may have a substituent, a cyclic alkylene group, a phenylene group, and combinations thereof, and A1 and A2 represent a rosin ester group, provided that a divalent linking group having the alicyclic structure represented by L1 may be a divalent linking group having an alicyclic structure formed through linking with any of R1, R2, L2 or L3.

Abstract: A polyester resin for a toner is a polycondensate of a dicarboxylic acid component and an alcohol component including rosin diol that is represented by the following formula (1), and has a weight average molecular weight (Mw) of from 40000 to 150000, and a molecular weight distribution (Mw/Mn) of from 12 to 25: wherein, R1 and R2 each independently represents hydrogen or a methyl group; L1, L2, and L3 each independently represents a divalent linking group selected from a group consisting of a carbonyl group, a carboxyl group, an ether group, a sulfonyl group, a chain-like alkylene group which may have a substituent, a cyclic alkylene group which may have a substituent, an arylene group which may have a substituent, and combinations thereof, and L1 and L2 or L1 and L3 may form a ring; and A1 and A2 represent a rosin ester group.

Abstract: Provided is a polyester being a polymer including a dicarboxylic acid, a rosin diol, and an epoxy compound, the rosin diol being represented by general formula (1): wherein R1 and R2 are independently hydrogen or methyl; L1, L2, and L3 are independently a divalent linking group selected from the group consisting of carbonyl, ester, ether, sulfonyl, optionally substituted chain alkylenes, optionally substituted cyclic alkylenes, optionally substituted arylenes, and combinations thereof; L1 and L2 or L1 and L3 are optionally joined together to form a ring; and A1 and A2 are rosin ester groups.

Abstract: A polyester resin for a toner containing: a repeating unit derived from a dicarboxylic acid component; and a repeating unit derived from a dial component represented by Formula (1): wherein each of R1 and R2 independently represents a hydrogen atom or a methyl group, each of L1, L2 and L3 independently represents a divalent linking group selected from the group consisting of carbonyl groups, ester groups, ether groups, sulfonyl groups, substituted or unsubstituted chained alkylene groups, substituted or unsubstituted cyclic alkylene groups, substituted or unsubstituted arylene groups, and combinations thereof, L1 and L2 or L1 and L3 optionally forms a ring, each of A1 and A2 independently represents a rosin ester group, and the acid value is from 3 mgKOH/g to 30 mgKOH/g.

Abstract: An electrostatic image developing toner includes (A) an amorphous polyester resin containing at least a repeating unit derived from a dicarboxylic acid component and a repeating unit derived from a dialcohol component represented by the specific formula, and (B) an amorphous polyester resin differing in the weight average molecular weight from the amorphous polyester resin (A), wherein the difference (absolute value) in the weight average molecular weight between the amorphous polyester resin (A) and the amorphous polyester resin (B) is from about 30,000 to about 100,000.

Abstract: An electrostatic image developing toner includes a core particle containing a binder resin and a coating layer on the core particle. The coating layer contains a resin having a crosslinked structure formed by using at least one of boric acid and derivatives thereof, and the resin having the crosslinked structure is obtained by polymerizing monomers in the presence of the core particle.

Abstract: A polyester resin for a toner containing: a repeating unit derived from a dicarboxylic acid component; and a repeating unit derived from a diol component represented by Formula (1): wherein each of R1 and R2 independently represents a hydrogen atom or a methyl group, each of L1, L2 and L3 independently represents a divalent linking group selected from the group consisting of carbonyl groups, ester groups, ether groups, sulfonyl groups, substituted or unsubstituted chained alkylene groups, substituted or unsubstituted cyclic alkylene groups, substituted or unsubstituted arylene groups, and combinations thereof, L1 and L2 or L1 and L3 optionally forms a ring, and each of A1 and A2 independently represents a rosin ester group.

Abstract: An electrostatic image developing carrier includes a core particle and a coating layer on the core particle. The coating layer contains a resin having a crosslinked structure formed by using at least one compound selected from boric acid and boric acid derivatives.

Abstract: There is provided a polyester resin for a toner, including: a polycondensate of a polyvalent carboxylic acid component and a polyhydric alcoholic component, wherein the polyhydric alcoholic component contains a rosin diol represented by the following Formula (1) and a content of the rosin diol is 80 mole % to 100 mole % based on the total polyhydric alcoholic component. wherein, each of R1 and R2 independently represents a hydrogen atom or a methyl group; L1 represents a divalent linking group having the following Formula (I); each of L2 and L3 independently represents a divalent linking group selected from the group consisting of carbonyl groups, carboxyl groups, ether groups, sulfonyl groups, substituted or unsubstituted chained alkylene groups, substituted or unsubstituted cyclic alkylene groups, substituted or unsubstituted arylene groups, and combinations thereof; and each of A1 and A2 independently represents a rosin ester group.

Abstract: A polyester resin for a toner is a polycondensate of a dicarboxylic acid component and an alcohol component including rosin diol that is represented by the following formula (1), and has a weight average molecular weight (Mw) of from 40000 to 150000, and a molecular weight distribution (Mw/Mn) of from 12 to 25: wherein, R1 and R2 each independently represents hydrogen or a methyl group; L1, L2, and L3 each independently represents a divalent linking group selected from a group consisting of a carbonyl group, a carboxyl group, an ether group, a sulfonyl group, a chain-like alkylene group which may have a substituent, a cyclic alkylene group which may have a substituent, an arylene group which may have a substituent, and combinations thereof, and L1 and L2 or L1 and L3 may form a ring; and A1 and A2 represent a rosin ester group.

Abstract: A polyester resin for a toner is a polycondensate of a carboxylic acid component and an alcohol component including rosin diol that is represented by the following formula (1) and has an alicyclic structure (alicyclic alcohol), wherein R1 and R2 each independently represents hydrogen or a methyl group, L1 represents a divalent linking group having an alicyclic structure, L2 and L3 each independently represents a divalent linking group selected from a group consisting of a carbonyl group, a carboxyl group, an ether group, a sulfonyl group, a chain-like alkylene group which may have a substituent, a cyclic alkylene group, a phenylene group, and combinations thereof, and A1 and A2 represent a rosin ester group, provided that a divalent linking group having the alicyclic structure represented by L1 may be a divalent linking group having an alicyclic structure formed through linking with any of R1, R2, L2 or L3.

Abstract: A polyurethane resin which is an addition polymer, includes an isocyanate compound containing at least a compound having two or more isocyanate groups; and an alcohol compound containing rosin diol represented by Formula (1): wherein in Formula (1), R1 and R2 represent a hydrogen atom or a methyl group, L1, L2, and L3 each independently represent a carbonyl group, an ester group, an ether group, a sulfonyl group, a chain alkylene group which may have a substituent, a cyclic alkylene group which may have a substituent, an arylene group which may have a substituent, and a divalent linking group selected from a group consisting of combinations of the above-described groups, wherein L1 and L2 or L1 and L3 may form a ring together, and A1 and A2 represent a rosin ester group.

Abstract: An electrostatic image developing toner that includes a toner particle including a binder resin containing a resin selected from an acrylic resin, a styrene-acrylic resin, and a styrene-(meth)acrylic acid ester copolymer. The resin has a crosslinked structure formed by using at least one of boric acid and boric acid derivatives.

Abstract: To provide a hydrophilic coating composition excellent in hydrophilicity, wear resistance, transparency, storage stability, antifogging properties, antifouling properties, visible light transmittivity, adhesion properties, chemical resistance, weather resistance, and water resistance and a hydrophilic member using the composition. The hydrophilic coating composition has (A) a ternary copolymer having a1) a repeating unit having a hydrophilic group, a2) a repeating unit having a hydroxyl group, an epoxy group, an isocyanato group, a blocked isocyanato group, a carboxylic acid anhydride group, or an amino group, and a3) a repeating unit having a hydrolyzable silyl group; and (B) a metal complex catalyst, wherein a content of the repeating unit a1) having a hydrophilic group is 50 mol % or greater.

Abstract: A toner for developing an electrostatic charge image includes an aliphatic polyester resin and a polyester resin having a repeating unit derived from rosin diol.

Abstract: A polyester resin for a toner containing: a repeating unit derived from a dicarboxylic acid component; and a repeating unit derived from a diol component represented by Formula (1): wherein each of R1 and R2 independently represents a hydrogen atom or a methyl group, each of L1, L2 and L3 independently represents a divalent linking group selected from the group consisting of carbonyl groups, ester groups, ether groups, sulfonyl groups, substituted or unsubstituted chained alkylene groups, substituted or unsubstituted cyclic alkylene groups, substituted or unsubstituted arylene groups, and combinations thereof, L1 and L2 or L1 and L3 optionally forms a ring, and each of A1 and A2 independently represents a rosin ester group.

Abstract: An electrostatic image developing toner includes a core particle containing a binder resin and a coating layer on the core particle. The coating layer contains a resin having a crosslinked structure formed by using at least one of boric acid and derivatives thereof, and the resin having the crosslinked structure is obtained by polymerizing monomers in the presence of the core particle.