An object is to provide a resin composition having excellent performance as a binder such as adhesiveness and, at the same time, retaining solution properties favorably even after a solution is stored for a long period of time. A modified polyolefin resin composition includes a modified polyolefin resin (C), in which the modified polyolefin resin (C) is a resin made by modifying a polymer (A) that is a polymer (a) of a polyolefin resin or a chlorinated polyolefin resin and an α,β-unsaturated carboxylic acid derivative having a structure derived from at least one carboxy group or a chlorinated product (b) thereof with a modification component including an alcohol (B); and a residual ratio of the structure derived from at least one carboxy group in the modified polyolefin resin (C) is 50% or more and 80% or less.

An object is to provide a resin composition having excellent performance as a binder such as adhesiveness and, at the same time, retaining solution properties favorably even after a solution is stored for a long period of time. A modified polyolefin resin composition includes a modified polyolefin resin (C), in which the modified polyolefin resin (C) is a resin made by modifying a polymer (A) that is a polymer (a) of a polyolefin resin or a chlorinated polyolefin resin and an α,β-unsaturated carboxylic acid derivative having a structure derived from at least one carboxy group or a chlorinated product (b) thereof with a modification component including an alcohol (B); and a residual ratio of the structure derived from at least one carboxy group in the modified polyolefin resin (C) is 50% or more and 80% or less.

A water-absorbent copolymer may include a vinyl alcohol constituent unit x and a constituent unit z other than the vinyl alcohol constituent unit x and a vinyl ester constituent unit y, wherein a ratio of a content of an average sequence of the constituent unit z to a content of the constituent unit z is 50.0 mol % or less.

A water-absorbent copolymer may include a vinyl alcohol constituent unit x and a constituent unit z other than the vinyl alcohol constituent unit x and a vinyl ester constituent unit y, wherein a ratio of a content of an average sequence of the constituent unit z to a content of the constituent unit z is 50.0 mol % or less.

To provide a fluorinated copolymer composition whereby a crosslinked rubber article which has a low compression set at high temperature and which is not broken after compression can be formed, and a crosslinked rubber article.

The fluorinated copolymer composition of the present invention comprises a fluorinated copolymer (A) having units having a nitrile group and units based on tetrafluoroethylene, a fluorinated copolymer (B) having units having at least one functional group selected from the group consisting of a group having a carbonyl group, a hydroxy group, an epoxy group and an isocyanate group and units based on tetrafluoroethylene, and a crosslinking agent.

To provide a fluorinated copolymer composition whereby a crosslinked rubber article which has a low compression set at high temperature and which is not broken after compression can be formed, and a crosslinked rubber article.

The fluorinated copolymer composition of the present invention comprises a fluorinated copolymer (A) having units having a nitrile group and units based on tetrafluoroethylene, a fluorinated copolymer (B) having units having at least one functional group selected from the group consisting of a group having a carbonyl group, a hydroxy group, an epoxy group and an isocyanate group and units based on tetrafluoroethylene, and a crosslinking agent.

The present invention relates to a curable petroleum resin, a preparation method therefor, and use thereof, wherein the curable petroleum resin comprises a repeating unit derived from a petroleum resin monomer, a repeating unit derived from a silane monomer and a repeating unit derived from a cyclic anhydride monomer, and wherein the curable petroleum resin is used as an additive for a reactive polyolefin-based adhesive composition to increase the adhesive strength to a polyolefin-based substrate used for various parts.

The present invention relates to a curable petroleum resin, a preparation method therefor, and use thereof, wherein the curable petroleum resin comprises a repeating unit derived from a petroleum resin monomer, a repeating unit derived from a silane monomer and a repeating unit derived from a cyclic anhydride monomer, and wherein the curable petroleum resin is used as an additive for a reactive polyolefin-based adhesive composition to increase the adhesive strength to a polyolefin-based substrate used for various parts.

An acrylic rubber composition includes an acrylic rubber and a specific antioxidant, wherein the acrylic rubber includes 15 to 55% by weight of methacrylic acid alkyl ester monomer units (a), 44.5 to 84.5% by weight of acrylic acid ester monomer units (b), and 0.5 to 4% by weight of carboxyl group-containing monomer units (c), and the content of the antioxidant is 0.1 to 5 parts by weight relative to 100 parts by weight of the acrylic rubber.

An acrylic rubber composition includes an acrylic rubber and a specific antioxidant, wherein the acrylic rubber includes 15 to 55% by weight of methacrylic acid alkyl ester monomer units (a), 44.5 to 84.5% by weight of acrylic acid ester monomer units (b), and 0.5 to 4% by weight of carboxyl group-containing monomer units (c), and the content of the antioxidant is 0.1 to 5 parts by weight relative to 100 parts by weight of the acrylic rubber.