Process for the production of polyol-alkali metal silicate emulsion

Claim 2

The process for the production of a stable polyol-alkali metal silicate emulsion by mixing the following components: (a) aqueous alkali metal silicate solution, 1 to 50 parts by weight; (b) polyol, 25 parts by weight; (c) alkali metal salt of a weak acid, 1% to 20% by weight, percentage based on weight of alkali metal silicate solution.

Claim 3

The process of claim 1 wherein the alkali metal silicate is selected from the group consisting of sodium silicate, potassium silicate, lithium silicate and mixtures thereof.

Claim 4

The process of claim 1 wherein the polyol is selected from the group consisting of polyhydric alcohol, polyesters, polyethers, polythioethers, polyacetals, polycarbonates, polyester amides containing at least 2 hydroxy groups, and mixtures thereof.

Claim 5

The process of claim 1 wherein the salt is the reaction product of an alkali metal compound and organic acid, and organic acid is selected from the group consisting of aliphatic carboxylic acid, aliphatic polycarboxylic acid, cycloaliphatic carboxylic acid, cycloaliphatic polycarboxylic acid, aromatic carboxylic acid, aromatic polycarboxylic acid, heterocyclic polycarboxylic acid, aliphatic carboxylic acid anhydrides, aromatic carboxylic acid anhydrides and mixtures thereof.

Claim 6

The process of claim 1 wherein the salt is selected from the group consisting of sodium carbonate, potassium carbonate, trisodium phosphate and mixtures thereof.

Claim 7

The product produced by the process of claim 1.

Claim 8

The process of claim 1 wherein an amine compound in the amount of up to 10% is added with components (a), (b) and (c).

Claim 9

The process of claim 1 wherein the amine compound is a tertiary amine.

Claim 10

The process of claim 1 wherein up to 20% by weight of an emulsifying agent is added to the components (a), (b) and (c), percentage based on weight of components (a), (b) and (c).

Claim 11

The process of claim 1 wherein up to 20% by weight of a foam stabilizer, percentage based on components (a), (b) and (c), is added with components (a), (b) and (c).

Claim 12

The process of claim 1 wherein a vinyl monomer, 1 to 50 parts by weight, and a catalytic amount of a peroxide initiator are added with components (a), (b) and (c).

Claim 13

The process of claim 11 wherein the vinyl monomer is selected from the group consisting of alkali metal acrylate, acrylate compounds, styrene, vinyl acetate, vinyl chloride, vinylidene chloride, acrylonitrile, vinyl toluenes, N-vinyl carbazole, vinyl pyrovidone, vinylidine cyanide, alkyl vinyl ketones, aryl vinyl ketones, methacrylonitrile and mixtures thereof.

Claim 14

The process of claim 11 wherein the vinyl monomer is styrene.

Claim 15

The product produced by the process of claim 11.

Claim 16

The process of claim 1 wherein 1 to 50 parts by weight of a vinyl monomer, up to an equal amount by weight of an organic diene, based on the vinyl monomer, and selected from the group consisting of isoprene, chloroprene, butadiene and mixtures thereof, and a catalytic amount of a peroxide initiator are added with components (a), (b) and (c) of claim 1.

Claim 17

The product produced by the process of claim 15.

Claim 18

The process of claim 1 wherein up to 10% by weight of a dispersion stabilizer, selected from the group consisting of starch, water-soluble derivatives of cellulose, plant gums, casein, bentonite, natural and synthetic latex, sulfonated polyisoprene resins, sulfonated phenol-formaldehyde resins, sulfonated melamine-formaldehyde resin; salts of polymethacrylic acid, copolymeric poly(methacrylic acid), polymaleic acid and copolymeric polymaleic acid; polyamines, polysilicic acid, poly(sodium methacrylic silicate), poly(sodium acrylic silicate), copolymeric poly(sodium acrylic silicate), poly(sodium methacrylic silicate), copolymeric (sodium methacrylic silicate), polyvinyl alcohol and mixtures thereof, percentage based on the weight of the polyol-alkali metal silicate emulsion, is added to the mixture.