US4340524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-resistant latex sealants
Assignee: Union Carbide Corp
•
Filing: 1980-06-30
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Granted: 1982-07-20
•
Expires: 2000-06-30
Abstract
Abstract Acrylic latex sealants are rendered water-resistant and have improved wet adhesion to a variety of substrates by incorporating hydrophobic resins and an aminosilane hydrolyzate therein.
Inventors
- 👤 Allan R. Bullman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:26
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/10; C08; C08K; C08K5/00; C08K5/54; C08K5/544; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/28; C08L57/00; C08L83/00; C08L83/04; C09K2200/00; C09K2200/06; C09K2200/0615; C09K2200/0617; C09K2200/0622; C09K2200/0625; C09K2200/0635; C09K2200/0642; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31634; Y10T428/31645; Y10T428/31649; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
89 words
In an acrylic resin latex based sealant composition, the improvement which comprises introducing about 0.1 to about 10 weight % of an hydrophobic resin dissolved in about 2 to about 20 weight % of a liquid organic, non-coagulating, non-gelling solvent into said acrylic resin latex together with an aqueous solution of about 0.5 to about 5.0 weight % of an hydrolyzed organoaminosilane containing sufficient base to maintain a pH of at least 8.5, with the proviso that the total weight of the components including the acrylic latex equals 100%.
Claim 2
Dependent Claim
89 words
In an acrylic resin latex based sealant composition, the improvement which comprises introducing about 0.1 to about 10 weight % of an hydrophobic resin dissolved in about 2 to about 20 weight % of a liquid organic, non-coagulating, non-gelling solvent into said acrylic resin latex together with an aqueous solution of about 0.5 to about 5.0 weight % of an hydrolyzed organoaminosilane containing sufficient base to maintain a pH of at least 8.5, with the proviso that the total weight of the components including the acrylic latex equals 100%.
Claim 3
Dependent Claim
72 words
Composition claimed in claim 1 wherein the organoaminosilane is represented by the graphic formula: ##STR3## wherein R° is selected from the group consisting of alkyl having about 1-4 carbons, aryl having about 6-10 carbons and alkaryl groups having about 7-10 carbons, y=0 or 1; v is an integer having values of 1 to 6; z is an integer having values of from 0 to 2 inclusive; and X=alkoxy radicals having 1-6 carbons.
Claim 4
Dependent Claim
13 words
Composition claimed in claim 1 wherein the hydrophobic resin is a vinyl resin.
Claim 5
Dependent Claim
15 words
Composition claimed in claim 3 wherein the vinyl resin is a vinyl chloride-vinyl acetate copolymer.
Claim 6
Dependent Claim
16 words
Composition claimed in claim 3 wherein the vinyl resin is a vinyl chloride-vinyl acetate-vinyl alcohol terpolymer.
Claim 7
Dependent Claim
16 words
Composition claimed in claim 3 wherein the vinyl resin is a vinyl chloride-vinyl acetate-maleic acid terpolymer.
Claim 8
Dependent Claim
17 words
Composition claimed in claim 1 wherein the hydrophobic resin is a water-insoluble alkyl acrylate and/or methacrylate copolymer.
Claim 9
Dependent Claim
11 words
Composition claimed in claim 3 wherein the vinyl resin is polystyrene.
Claim 10
Dependent Claim
18 words
Composition claimed in claim 1 wherein the hydrophobic resin is a phenoxy resin derived from 2,2-bis(p-hydroxyphenyl)propane and epichlorohydrin.
Claim 11
Dependent Claim
10 words
Composition claimed in claim 1 wherein the organoaminosilane is gamma-aminopropyltrimethoxysilane.
Claim 12
Dependent Claim
10 words
Composition claimed in claim 1 wherein the organoaminosilane is gamma-aminopropylmethyldiethoxysilane.
Claim 13
Dependent Claim
10 words
Composition claimed in claim 1 wherein the organoaminosilane is delta-aminobutylmethyldiethoxysilane.
Claim 14
Dependent Claim
12 words
Composition claimed in claim 1 wherein the organic solvent is dibutyl phthalate.
Claim 15
Dependent Claim
25 words
Composition claimed in claim 1 wherein the acrylic resin latex is a copolymer of ethyl acrylate containing minor amounts of acrylic acid, acrylonitrile and n-methylolacrylamide.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-07-19 | 1986-01-18 | 1986-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-19 | 1990-01-18 | 1990-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-19 | 1994-01-18 | 1994-07-20 | $7700.00 | Window Closed / Lapsed |