A curable composition includes, per 100 parts by mass of a curable compound, 0.1 to 10.0 parts by mass of a compound (A) including a structure represented by the following general formula (I), and 0.01 to 10.0 parts by mass of a base (B):

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where X represents a chalcogen atom, R.sup.1 and R.sup.2 each independently represent an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, or an aralkyl group, and R.sup.3 and R.sup.4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, or an aralkyl group.

Provided is a composition containing a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, with a low pH and a high viscosity. More specifically, provided is a composition containing (A) a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, (B) a polymer obtained by polymerizing at least acrylic acid and/or methacrylic acid in the presence of pentaerythritol allyl ether, wherein the amount of the pentaerythritol allyl ether is 0.1 parts by mass or more per 100 parts by mass of the acrylic acid and/or methacrylic acid, and water, the composition having a pH of 5.2 or lower and a viscosity of 1000 mPa.Math.s or higher.

Provided is a composition containing a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, with a low pH and a high viscosity. More specifically, provided is a composition containing (A) a polymer obtained by polymerizing a water-soluble unsaturated carboxylic acid monomer in the presence of a water-soluble sucrose allyl ether, (B) a polymer obtained by polymerizing at least acrylic acid and/or methacrylic acid in the presence of pentaerythritol allyl ether, wherein the amount of the pentaerythritol allyl ether is 0.1 parts by mass or more per 100 parts by mass of the acrylic acid and/or methacrylic acid, and water, the composition having a pH of 5.2 or lower and a viscosity of 1000 mPa.Math.s or higher.

The present invention provides a method for crosslinking an acrylic emulsion with a (meth)acrylate monomer or a (meth)acrylate oligomer including adding a base acrylic emulsion to a vessel, adding at least one (meth)acrylate crosslinker to the vessel, incorporating the at least one (meth)acrylate crosslinker into the base acrylic emulsion to create a two-phase system including water and a phase including crosslinkers of the at least one (meth)acrylate crosslinker inside acrylic emulsion particles of the base acrylic emulsion, applying the two-phase system to a surface, and curing the two-phase system to create a final system including a continuous film and crosslinked crosslinkers.

The present invention provides a method for crosslinking an acrylic emulsion with a (meth)acrylate monomer or a (meth)acrylate oligomer including adding a base acrylic emulsion to a vessel, adding at least one (meth)acrylate crosslinker to the vessel, incorporating the at least one (meth)acrylate crosslinker into the base acrylic emulsion to create a two-phase system including water and a phase including crosslinkers of the at least one (meth)acrylate crosslinker inside acrylic emulsion particles of the base acrylic emulsion, applying the two-phase system to a surface, and curing the two-phase system to create a final system including a continuous film and crosslinked crosslinkers.

A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in combination with a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the presence of electrolytes, perfumes, fragrances and/or organic acid preservatives.

A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in combination with a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the presence of electrolytes, perfumes, fragrances and/or organic acid preservatives.

Liquid radiation curable compositions are disclosed which are suitable for hybrid (i.e. cationic and free-radical) polymerization when processed via additive fabrication equipment utilizing sources of actinic radiation with peak spectral intensities in the UV/vis region. Also disclosed are methods of creating three-dimensional parts via additive fabrication processes utilizing sources of actinic radiation with peak spectral intensities in the UV/vis region employing liquid radiation curable compositions suitable for hybrid polymerization, and the parts cured therefrom.

Liquid radiation curable compositions are disclosed which are suitable for hybrid (i.e. cationic and free-radical) polymerization when processed via additive fabrication equipment utilizing sources of actinic radiation with peak spectral intensities in the UV/vis region. Also disclosed are methods of creating three-dimensional parts via additive fabrication processes utilizing sources of actinic radiation with peak spectral intensities in the UV/vis region employing liquid radiation curable compositions suitable for hybrid polymerization, and the parts cured therefrom.

Provided is a binder for a nonaqueous electrolyte secondary battery electrode. The binder contains a crosslinked polymer having a carboxyl group, or salt thereof, a use therefor, and a method for manufacturing a carboxyl group-containing crosslinked polymer or salt thereof for use in the binder. The crosslinked polymer contains a structural unit derived from an ethylenically unsaturated carboxylic acid monomer in the amount of 50 to 100 mass % of total structural units, and after the crosslinked polymer neutralized to a degree of a neutralization of 80 to 100 mol % has been subjected to water swelling in water and then dispersed in a 1 mass % NaCl aqueous solution, the particle diameter thereof is 0.1 to 7.0 μm in a volume-based median diameter.