Acrylate adhesive aqueous dispersions

Claim 2

An aqueous adhesive composition having pH of about 8 to 10 containing from about 25 to 75% by weight of water, the water having dispersed therein: A. from about 25 to 75% by weight of the composition, of a water-insoluble linear polymer of interpolymerized monoethylenically unsaturated monomers in amounts by weight based on the linear polymer: (1) from about 50 to 99% of an acrylic ester monomer of the formula ##STR9## or a mixture thereof, where R is H or methyl and R 2 is lower alkyl of 1 to 4 carbon atoms, (2) from about 0.1 to 10% of acrylic acid or methacrylic acid, (3) from about 0.1 to about 10% of a nitrogen containing monomer selected from the group consisting of vinyl amines and salts thereof, and vinyl ureido monomers, vinyl compounds having heterocyclic nitrogen containing groups, and B. 0.001 to 2% of a silane containing both alkoxy and epoxy functionalities.

Claim 3

Composition of claim 1 wherein the nitrogen containing monomer is selected from dialkyl amino alkyl acrylates or methacrylates wherein each alkyl group contains from 1 to 4 carbon atoms; and the silane is selected from beta -(3, 4 epoxycyclohexyl) ethyltrimethoxysilane, gamma-glycidoxy-propyltrimethoxysilane or epoxytrimethoxy-silane.

Claim 4

An aqueous adhesive composition having pH of about 8 to 10 containing from about 25 to 75% by weight of water, the water having dispersed therein: A. from about 25 to 75% by weight of the composition, of a water-insoluble linear polymer of interpolymerized monoethylenically unsaturated monomers in amounts by weight based on the linear polymer: (1) from about 50 to 99% of an acrylic ester monomer selected from the group consisting of methyl methacrylate, butyl acrylate, ethyl acrylate and mixtures thereof; (2) from about 0.1 to 10% of acrylic acid or methacrylic acid; (3) from about 0.1 to 10% of a nitrogen containing monomer selected from the group consisting of beta-aminoethyl vinyl ether, aminopentyl vinyl ether, amyl t-butyl aminoethyl methacrylate, t-dimethylaminoethyl methacrylate, beta-ureidoethyl acrylate, beta-(N,N'-ethyleneureido) ethyl acid maleate, beta-ureido-ethyl vinyl ether, N-vinyl-N,N'-ethyleneurea, N-vinyloxy-ethyl-N,N'-ethyleneurea, N-methacrylamidomethyl-N,N'-ethylene-urea, N-dimethylaminoethyl-N'-vinyl-N,N'-ethylene-urea, N-dimethylaminoethyl-N'-vinyl-N,N'-ethyleneurea, beta-hydroxyethyl methacrylate, N-hydroxyethyl-acrylamide, N-methylolacrylamide, and N-(dimethylaminoethyl) acrylamide; and B. 0.001 to 2% of a silane containing both alkoxy and epoxy functionalities.

Claim 5

An aqueous adhesive composition having pH of about 8 to 10 containing from about 25 to 75% by weight of water, the water having dispersed therein: A. from about 25 to 75% by weight of the composition, of a water-insoluble linear polymer of interpolymerized monoethylenically unsaturated monomers in amounts by weight based on the linear polymer: (1) from about 50 to 99% of an acrylic ester monomer selected from the group consisting of methyl methacrylate, butyl acrylate, ethyl acrylate and mixtures thereof; (2) from about 0.1 to 10% of acrylic acid or methacrylic acid; (3) from about 0.1 to 10% of a nitrogen containing monomer selected from the group consisting of beta-aminoethyl vinyl ether, aminopentyl vinyl ether, amyl t-butyl aminoethyl methacrylate, t-dimethylaminoethyl methacrylate, beta-ureidoethyl acrylate, beta-(N,N'-ethyleneureido) ethyl acid maleate, beta-ureido-ethyl vinyl ether, N-vinyl-N,N'-ethyleneurea, N-vinyloxy-ethyl-N,N'-ethyleneurea, N-methacrylamidomethyl-N,N'-ethylene-urea, N-dimethylaminoethyl-N'-vinyl-N,N'-ethylene-urea, N-dimethylaminoethyl-N'-vinyl-N,N'-ethyleneurea, beta-hydroxyethyl methacrylate, N-hydroxyethyl-acrylamide, N-methylolacrylamide, and N-(dimethylaminoethyl) acrylamide; and B. 0.001 to 2% of a silane containing both alkoxy and epoxy functionalities.