US4300964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesion of textile cords to rubber by dip coating using an N-methylol group containing polymer
Assignee: Wyeth Holdings LLC
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Filing: 1979-10-22
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Granted: 1981-11-17
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Expires: 1999-10-22
Abstract
Abstract A tire cord dipping composition and a method of adhering textile materials to rubber, are disclosed, wherein an N-methylol group containing polymer is employed.
Inventors
- 👤 Ajit K. Chaudhuri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:35
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
76 words
An aqueous dispersion, useful as a coating composition for the adhesion of a textile material to rubber, comprising (A) a rubber latex of natural rubber, butadiene-styrene rubber or polybutadiene rubber (B) a resorcinol-formaldehyde resin; and (C) from about 3 to about 15 parts by weight, based on 100 parts of dry rubber solids in said latex of a methylolated polymer of acrylamide having a molecular weight of at least about 10,000 and being from 60-100% methylolated.
Claim 2
Dependent Claim
76 words
An aqueous dispersion, useful as a coating composition for the adhesion of a textile material to rubber, comprising (A) a rubber latex of natural rubber, butadiene-styrene rubber or polybutadiene rubber (B) a resorcinol-formaldehyde resin; and (C) from about 3 to about 15 parts by weight, based on 100 parts of dry rubber solids in said latex of a methylolated polymer of acrylamide having a molecular weight of at least about 10,000 and being from 60-100% methylolated.
Claim 3
Dependent Claim
79 words
An aqueous dispersion, useful as a coating composition for the adhesion of textile material to rubber, comprising (A) a rubber latex selected from styrene-butadiene latex containing up to 50% styrene, and polybutadiene latex; (B) a resorcinol-formaldehyde resin; and (C) from about 3 to about 15 parts by weight, based on 100 parts of dry rubber solids in said latex of a methylolated polymer of acrylamide having a molecular weight of at least about 10,000 and being from 60-100% methylolated.
Claim 4
Dependent Claim
79 words
An aqueous dispersion, useful as a coating composition for the adhesion of textile material to rubber, comprising (A) a rubber latex selected from styrene-butadiene latex containing up to 50% styrene, and polybutadiene latex; (B) a resorcinol-formaldehyde resin; and (C) from about 3 to about 15 parts by weight, based on 100 parts of dry rubber solids in said latex of a methylolated polymer of acrylamide having a molecular weight of at least about 10,000 and being from 60-100% methylolated.
Claim 5
Dependent Claim
12 words
Claim 2 wherein said latex is a styrene-butadiene latex containing 25% styrene.
Claim 6
Dependent Claim
8 words
Claim 2 wherein said latex is polybutadiene latex.
Claim 7
Dependent Claim
10 words
Claim 1 wherein said textile material is nylon tire cord.
Claim 8
Dependent Claim
11 words
Claim 1 wherein said textile material is pretreated polyester tire cord.
Claim 9
Dependent Claim
11 words
Claim 1 wherein said methylolated polymer of acrylamide is methylolated homopolyacrylamide.
Claim 10
Dependent Claim
27 words
Claim 1 wherein said methylolated polymer of acrylamide is a copolymer of a major proportion of acrylamide and a minor proportion of a copolymerizable mono-ethylenically unsaturated comonomer.
Claim 11
Dependent Claim
10 words
Claim 7 wherein said comonomer is diallyl dimethyl ammonium chloride.
Claim 12
Dependent Claim
8 words
Claim 7 wherein said comonomer is acrylic acid.
Claim 13
Independent Claim
115 words
A method for promoting the adhesion of a textile material to rubber, comprising (1) coating said textile material with a composition comprising (A) a rubber latex selected from natural rubber, polybutadiene rubber and styrene-butadiene rubber containing up to 50% styrene, (B) a resorcinolformaldehyde resin, and (C) from about 3 to 15 parts based on 100 parts of dry rubber solids in said latex, of a methylolated polymer of acrylamide having a molecular weight of at least about 10,000 and being from 60-100% methylolated (2) placing said treated textile material in intimate contact with a vulcanizable rubber composition to which said textile material is to be bonded; and (3) vulcanizing the composition at a suitable temperature.
Claim 14
Independent Claim
115 words
A method for promoting the adhesion of a textile material to rubber, comprising (1) coating said textile material with a composition comprising (A) a rubber latex selected from natural rubber, polybutadiene rubber and styrene-butadiene rubber containing up to 50% styrene, (B) a resorcinolformaldehyde resin, and (C) from about 3 to 15 parts based on 100 parts of dry rubber solids in said latex, of a methylolated polymer of acrylamide having a molecular weight of at least about 10,000 and being from 60-100% methylolated (2) placing said treated textile material in intimate contact with a vulcanizable rubber composition to which said textile material is to be bonded; and (3) vulcanizing the composition at a suitable temperature.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-16 | 1985-05-18 | 1985-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-16 | 1989-05-18 | 1989-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-16 | 1993-05-18 | 1993-11-17 | $7700.00 | Window Closed / Lapsed |