[Problem] To provide a surface control agent for a water-based coating, the surface control agent having both cissing prevention properties and overcoatability when used for applications requiring excellent appearance and overcoatability. [Solution] The surface control agent for a water-based coating includes: a copolymer containing, as constituent monomers, a dibasic acid ester (A) having a polymerizable unsaturated double bond in an amount of 10% by mass or more and 99% by mass or less, and an ether group-containing polymerizable unsaturated monomer (B) having a (meth)acryloyl group, a vinyl ether group, or an allyl group in an amount of 1% by mass or more and 90% by mass or less, wherein the copolymer has a weight-average molecular weight of 1,000 or more and 100,000 or less.

[Problem] To provide a surface control agent for a water-based coating, the surface control agent having both cissing prevention properties and overcoatability when used for applications requiring excellent appearance and overcoatability. [Solution] The surface control agent for a water-based coating includes: a copolymer containing, as constituent monomers, a dibasic acid ester (A) having a polymerizable unsaturated double bond in an amount of 10% by mass or more and 99% by mass or less, and an ether group-containing polymerizable unsaturated monomer (B) having a (meth)acryloyl group, a vinyl ether group, or an allyl group in an amount of 1% by mass or more and 90% by mass or less, wherein the copolymer has a weight-average molecular weight of 1,000 or more and 100,000 or less.

Provided is a water- and oil-repellent agent composition that is capable of producing an article having a high water pressure resistance and a low water absorption rate. The water- and oil-repellent agent composition contains a fluorine-containing polymer having a unit based on a monomer (a), a unit based on a monomer (b1), a unit based on a monomer (b2), a unit based on a monomer (b3), and a unit based on a monomer (c), wherein relative to all the units that constitute the fluorine-containing polymer, the proportion of the unit based on the monomer (a) is from 70 to 80% by mass, the proportion of the combination of the unit based on the monomer (b1), the unit based on the monomer (b2) and the unit based on the monomer (b3) is from 12 to 28% by mass, and the proportion of the unit based on the monomer (c) is from 2 to 8% by mass. Monomer (a): a compound represented by (Z-Q).sub.nX. Monomer (b1): a monomer not having a polyfluoroalkyl group (R.sup.f group), but having an alkyl group of 22 carbon atoms. Monomer (b2): a monomer not having an R.sup.f group, but having an alkyl group of 20 carbon atoms. Monomer (b3): a monomer not having an R.sup.f group, but having an alkyl group of 18 carbon atoms. Monomer (c): a halogenated olefin.

Provided is a water- and oil-repellent agent composition that is capable of producing an article having a high water pressure resistance and a low water absorption rate. The water- and oil-repellent agent composition contains a fluorine-containing polymer having a unit based on a monomer (a), a unit based on a monomer (b1), a unit based on a monomer (b2), a unit based on a monomer (b3), and a unit based on a monomer (c), wherein relative to all the units that constitute the fluorine-containing polymer, the proportion of the unit based on the monomer (a) is from 70 to 80% by mass, the proportion of the combination of the unit based on the monomer (b1), the unit based on the monomer (b2) and the unit based on the monomer (b3) is from 12 to 28% by mass, and the proportion of the unit based on the monomer (c) is from 2 to 8% by mass. Monomer (a): a compound represented by (Z-Q).sub.nX. Monomer (b1): a monomer not having a polyfluoroalkyl group (R.sup.f group), but having an alkyl group of 22 carbon atoms. Monomer (b2): a monomer not having an R.sup.f group, but having an alkyl group of 20 carbon atoms. Monomer (b3): a monomer not having an R.sup.f group, but having an alkyl group of 18 carbon atoms. Monomer (c): a halogenated olefin.

Provided are a novel structure of a copolymer, a preparation method thereof, a vinyl chloride-based resin composition including the copolymer, and a coating ink including the vinyl chloride-based resin composition. According to the present invention, when the vinyl chloride-based resin composition including the copolymer is used, compatibility with ethylene vinyl acetate is excellent, and ink dispersibility and ink color are also excellent.

Provided are a novel structure of a copolymer, a preparation method thereof, a vinyl chloride-based resin composition including the copolymer, and a coating ink including the vinyl chloride-based resin composition. According to the present invention, when the vinyl chloride-based resin composition including the copolymer is used, compatibility with ethylene vinyl acetate is excellent, and ink dispersibility and ink color are also excellent.

[Problem] To provide a surface control agent for a water-based coating, the surface control agent having both cissing prevention properties and overcoatability when used for applications requiring excellent appearance and overcoatability. [Solution] The surface control agent for a water-based coating includes: a copolymer containing, as constituent monomers, a dibasic acid ester (A) having a polymerizable unsaturated double bond in an amount of 10% by mass or more and 99% by mass or less, and an ether group-containing polymerizable unsaturated monomer (B) having a (meth)acryloyl group, a vinyl ether group, or an allyl group in an amount of 1% by mass or more and 90% by mass or less, wherein the copolymer has a weight-average molecular weight of 1,000 or more and 100,000 or less.

[Problem] To provide a surface control agent for a water-based coating, the surface control agent having both cissing prevention properties and overcoatability when used for applications requiring excellent appearance and overcoatability. [Solution] The surface control agent for a water-based coating includes: a copolymer containing, as constituent monomers, a dibasic acid ester (A) having a polymerizable unsaturated double bond in an amount of 10% by mass or more and 99% by mass or less, and an ether group-containing polymerizable unsaturated monomer (B) having a (meth)acryloyl group, a vinyl ether group, or an allyl group in an amount of 1% by mass or more and 90% by mass or less, wherein the copolymer has a weight-average molecular weight of 1,000 or more and 100,000 or less.

The invention relates to copolymers of vinyl lactams with derivatized maleates. In particular, it relates to copolymers that are suitably used in the area of personal care and pharmaceuticals, to compositions comprising the copolymers and to methods for preparing the copolymers.

A composite material comprises a reinforcing material carried in a polymer matrix material which is the polymerization product of a polymerizable composition comprising a di-activated vinyl compound, with the proviso that the di-activated vinyl compound is not a cyanoacrylate. The reinforcing materials may be a wide variety of substrates including thermally sensitive materials. Exemplary composites can be molded and cured at ambient temperatures. Also disclosed are laminate materials having layered materials adhered by curing a di-activated vinyl polymerizable composition.