Copolymer dispersions containing polyamide segments in aqueous media form binders for coatings for various industrial and construction materials. The copolymers have a high percentage of amide linkages. The copolymers are linked into higher molecular weight species by reactions with polyisocyanates (which forms urea linkages if the other reactant is an amine or a urethane linkage if the other reactant is a hydroxyl group).

Copolymer dispersions containing polyamide segments in aqueous media form binders for coatings for various industrial and construction materials. The copolymers have a high percentage of amide linkages. The copolymers are linked into higher molecular weight species by reactions with polyisocyanates (which forms urea linkages if the other reactant is an amine or a urethane linkage if the other reactant is a hydroxyl group).

Disclosed are microcapsule compositions each comprising a microcapsule suspended in an aqueous phase and a viscosity control agent, wherein the viscosity control agent is an acrylate copolymer, a cationic acrylamide copolymer, or a polysaccharide. Also disclosed are consumer products containing such a microcapsule composition.

A process for the preparation of an aqueous polyurethane dispersion having flame retardant properties and being halogen-free, obtainable by incorporating a phosphine oxide polyol into the polyurethane and which are useful as part of the coating of a flexible sheet-like substrate.

A process for the preparation of an aqueous polyurethane dispersion having flame retardant properties and being halogen-free, obtainable by incorporating a phosphine oxide polyol into the polyurethane and which are useful as part of the coating of a flexible sheet-like substrate.

Provided is an aqueous resin composition that is capable of forming a film having excellent balance in solvent resistance, water resistance, flexibility, stretchability, and strength. An aqueous resin composition of the invention, contains: a composite resin (A); and an aqueous medium (B), in which the composite resin (A) has a polymer (A1) unit having a unit represented by Formula (1) and a polymer (A2) unit represented by Formula (3).

##STR00001##

[R.sup.1s each represent a hydrogen atom, a halogen atom, a phenyl group, or a methyl group. R.sup.2 represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms. R.sup.7 represents a ml-valent hydrocarbon group having 1 to 20 carbon atoms. R.sup.8 represents one type of R.sup.10[-L.sup.1-(R.sup.11—O—).sub.n1].sub.n2—; —O(—R.sup.11—CO—O).sub.n3—; —O(—R.sup.11—O—CO—R.sup.11—CO—O).sub.n4—; —O(—R.sup.11—O—CO—O).sub.n5—; —O(—R.sup.12).sub.n6—O—; —O—R.sup.11—O—, and a group obtained by combining such groups.]

Provided is an aqueous resin composition that is capable of forming a film having excellent balance in solvent resistance, water resistance, flexibility, stretchability, and strength. An aqueous resin composition of the invention, contains: a composite resin (A); and an aqueous medium (B), in which the composite resin (A) has a polymer (A1) unit having a unit represented by Formula (1) and a polymer (A2) unit represented by Formula (3).

##STR00001##

[R.sup.1s each represent a hydrogen atom, a halogen atom, a phenyl group, or a methyl group. R.sup.2 represents a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms. R.sup.7 represents a ml-valent hydrocarbon group having 1 to 20 carbon atoms. R.sup.8 represents one type of R.sup.10[-L.sup.1-(R.sup.11—O—).sub.n1].sub.n2—; —O(—R.sup.11—CO—O).sub.n3—; —O(—R.sup.11—O—CO—R.sup.11—CO—O).sub.n4—; —O(—R.sup.11—O—CO—O).sub.n5—; —O(—R.sup.12).sub.n6—O—; —O—R.sup.11—O—, and a group obtained by combining such groups.]

An aqueous polyurethane dispersion comprising at least one isocyanate terminated polyurethane prepolymer prepared by reacting in the presence of at least one pyrrolidone selected from the group consisting of N-n-butylpyrrolidone, N-isobutylpyrrolidone, N-sec-butylpyrrolidone and N-tert-butylpyrrolidone, a mixture (M) which comprises: at least one polyisocyanate compound (a), at least one polyol compound (b), having a molecular weight Mw of 200 to 8000 and a hydroxyl functionality of 1.5 to 6, and at least one water dispersible enhancing component having at least one hydrophilic group or potentially hydrophilic group in water.

An aqueous polyurethane dispersion comprising at least one isocyanate terminated polyurethane prepolymer prepared by reacting in the presence of at least one pyrrolidone selected from the group consisting of N-n-butylpyrrolidone, N-isobutylpyrrolidone, N-sec-butylpyrrolidone and N-tert-butylpyrrolidone, a mixture (M) which comprises: at least one polyisocyanate compound (a), at least one polyol compound (b), having a molecular weight Mw of 200 to 8000 and a hydroxyl functionality of 1.5 to 6, and at least one water dispersible enhancing component having at least one hydrophilic group or potentially hydrophilic group in water.

An aqueous polyurethane resin dispersion containing polyurethane resin particles dispersed in water, which contains a nonvolatile component in an amount of 45% by mass or more and in which the polyurethane resin particles contain a polyol component and an isocyanate component, at least 10 mol % or more of the isocyanate component is a linear aliphatic isocyanate component having 4 to 10 carbon atoms, and the volume-average particle size of the polyurethane resin particles is 0.05 to 5 μm.