Stable dispersions of polymers in polyfunctional active hydrogen compounds and polyurethanes based thereon

Claim 2

A stable improved copolymer dispersion which comprises: (A) a polyahl having dispersed therein; (B) an addition copolymerizate of (1) a monomeric adduct of (a) an active ethylenically unsaturated haloformate or haloformylthiolate monomer and (b) a monoahl or a polyahl with (2) at least one other ethylenically unsaturated monomer; or (C) (1) an addition copolymer of a haloformate or haloformylthiolate monomer with at least one other ethylenically unsaturated monomer and (2) a monoahl or polyahl; or (D) a mixture of (B) and (C); or (E) a mixture of (B) and/or (C) and a polymer of at least one other ethylenically unsaturated monomer.

Claim 3

A dispersion of claim 1 wherein the mole ratio of polymerized haloformate or haloformylthiolate monomer to monoahl or polyahl is at least about 0.001:1 and less than an amount at which gelation occurs.

Claim 4

A dispersion of claim 1 wherein the adduct comprises from about 0.01 to about 50 weight percent of the dispersion.

Claim 5

A dispersion of claim 1 wherein the polyahl is a polyether polyol, the monoahl is a polyether monool, the reactive haloformate monomer is methacryloxyethylchloroformate or acryloxyethylchloroformate, and the other ethylenically unsaturated monomer or a mixture of at least two of such other monomers is a monovinylidene aromatic, an ethylenically unsaturated carboxylic acid, an ethylenically unsaturated nitrile, an alkyl ester of an ethylenically unsaturated carboxylic acid, a vinyl halide, a vinylidene halide or a mixture of two or more thereof.

Claim 6

A dispersion of claim 1 wherein the mole ratio of polymerized haloformate or haloformylthiolate monomer to monoahl or polyahl is in the range from about 0.001:1 to about 0.0:1.

Claim 7

A dispersion of claim 1 wherein the mole ratio of polymerized haloformate or haloformylthiolate monomer to monoahl is in the range from about 0.001:1 to about 0.2:1.

Claim 8

A dispersion of clim 1 wherein the other monomer constitutes from about 1 to about 70 weight percent of the dispersion.

Claim 9

A dispersion of clim 1 wherein the other monomer constitutes from about 1 to about 70 weight percent of the dispersion.

Claim 10

A dispersion of claim 4 wherein the other monomer or mixture of such other monomers constitutes from about 1 to about 70 weight percent of the dispersion.

Claim 11

A dispersion of claim 1 wherein the other monomer constitutes from about 10 to about 40 weight percent of the dispersion.

Claim 12

A dispersion of claim 4 wherein the mixture of such monomers constitutes from about 10 to about 40 weight percent of the dispersion.

Claim 13

A dispersion of claim 1 wherein the adduct is represented by the formula: Y--(R"'A--.sub.m R"'--Z].sub.x wherein each A is individually --O--, --S-- or ##STR9## wherein R 1 is hydrogen or alkyl; Y is hydroxyl, oxyhydrocarbyl, oxycarbonylhydrocarbyl, an α,β-ethylenically unsaturated moiety linked to the remaining portion of said adduct through a carbonate-type linkage, or a residue of an active hydrogen initiator suitably employed in preparation of a polyether; each Z is individually hydroxyl, oxyhydrocarbyl, oxycarbonylhydrocarbyl or said α,β-ethylenically unsaturated moiety provided that the polyether contains at least one of said α,β-ethylenically unsaturated moiety; each "' is individually alkylene, hydroxylalkylene, aminoalkylene, alkoxyalkylene, aryloxyalkylene, arylalkylene, hydroxyalkylalkylene, hydroxyarylalkylene, or haloalkylene; m is a whole number such that --R"'A) m --R"'-- has a number average molecular weight (M n ) from about 100 to about 100,000; and x is a whole number from 1 to 10 provided that when Y is other than hydroxyl, x is at least 2.

Claim 14

A dispersion of claim 1 which comprises: (A) a polyahl having dispersed therein; (B) an addition copolymerizate of (1) a monomeric adduct of (a) an active ethylenically unsaturated haloformate monomer and (b) a monoahl or a polyahl with (2) at least one other ethylenically unsaturated monomer; or (C) (1) an addition copolymer of a haloformate monomer with at least one other ethylenically unsaturated monomer and (2) a monoahl or polyahl; or (D) a mixture of (B) and (C); or (E) a mixture of (B) and/or (C) and a polymer of at least one other ethylenically unsaturated monomer.

Claim 15

A dispersion of claim 12 wherein the mole ratio of polymerized haloformate monomer to monoahl or polyahl is at least about 0.001:1 and less than an amount at which gelation occurs.

Claim 16

A dispersion of claim 12 wherein the haloformate monomer is a chloroformate monomer.

Claim 17

A method for making the copolymer dispersion of claim 1 which method comprises: (A) reacting an active haloformate or haloformylthiolate monomer with a monoahl or polyahl to form a monomeric adduct and (B) copolymerizing the adduct with another ethylenically unsaturated monomer or a mixture of at least two of such other monomers in a polyahl liquid medium which medium is a continuous phase.

Claim 18

A method for making the copolymer dispersion of claim 1 which method comprises: (A) copolymerizing an active haloformate or haloformylthiolate monomer with another ethylenically unsaturated monomer or a mixture of at least two of such other monomers and (B) reacting the resulting copolymer with a monoahl or polyahl in excess polyahl to form a polymeric adduct of monoahl or polyahl and copolymer dispersed in polyahl.

Claim 19

A polyurethane composition prepared by reacting the copolymer dispersion of claim 1 with an organic polyisocyanate.

Claim 20

A polyurethane composition of claim 17 in the form of a foam.