US4448850A
Expired / Lapsed
US
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Vinyl acetate polymers and latex compositions containing same
Assignee: Eastman Kodak Co
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Filing: 1982-07-23
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Granted: 1984-05-15
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Expires: 2002-07-23
Abstract
Abstract Polymers having excellent adherence to film supports such as cellulose acetate are disclosed. The polymers comprise random recurring units having the structure --A).sub.w, --B).sub.x, --C).sub.y and --D).sub.z wherein; A represents polymerized vinyl acetate; B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate; C represents a polymerized monomer selected from the group consisting of methacrylic acid, itaconic acid and vinylbenzoic acid; D represents a polymerized cationically charged copolymerizable monomer; w represents from 20 to 85 weight percent; x represents from 5 to 65 weight percent; y represents from 5 to 50 weight percent and; z represents from 0 to 15 weight percent.
Inventors
- 👤 Donald A. Upson
- 👤 David J. Steklenski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:29
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/93; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31935
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
105 words
An element comprising a support having thereon a layer comprising a polymer characterized in that the polymer has random recurring units: --A).sub.w, --B).sub.x, --C).sub.y and --D).sub.z wherein; A represents polymerized vinyl acetate; B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate; C represents a polymerized monomer selected from the group consisting of methacrylic acid, itaconic acid and vinylbenzoic acid; D represents a polymerized cationically charged copolymerizable monomer; w represents from 20 to 85 weight percent; x represents from 5 to 65 weight percent; y represents from 5 to 50 weight percent and, z represents from 2 to 10 weight percent.
Claim 2
Dependent Claim
105 words
An element comprising a support having thereon a layer comprising a polymer characterized in that the polymer has random recurring units: --A).sub.w, --B).sub.x, --C).sub.y and --D).sub.z wherein; A represents polymerized vinyl acetate; B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate; C represents a polymerized monomer selected from the group consisting of methacrylic acid, itaconic acid and vinylbenzoic acid; D represents a polymerized cationically charged copolymerizable monomer; w represents from 20 to 85 weight percent; x represents from 5 to 65 weight percent; y represents from 5 to 50 weight percent and, z represents from 2 to 10 weight percent.
Claim 3
Dependent Claim
109 words
A photographic element comprising a support having thereon a layer comprising a polymer characterized in that the polymer comprises random recurring units having the structures: --A).sub.w, --B).sub.x, --C).sub.y and --D).sub.z wherein; A represents polymerized vinyl acetate; B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate; C represents a polymerized monomer selected from the group consisting of methacrylic acid, itaconic acid and vinylbenzoic acid; D represents a polymerized cationically charged copolymerizable monomer; w represents from 20 to 85 weight percent; x represents from 5 to 65 weight percent; y represents from 5 to 50 weight percent and; z represents from 2 to 10 weight percent.
Claim 4
Dependent Claim
109 words
A photographic element comprising a support having thereon a layer comprising a polymer characterized in that the polymer comprises random recurring units having the structures: --A).sub.w, --B).sub.x, --C).sub.y and --D).sub.z wherein; A represents polymerized vinyl acetate; B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate; C represents a polymerized monomer selected from the group consisting of methacrylic acid, itaconic acid and vinylbenzoic acid; D represents a polymerized cationically charged copolymerizable monomer; w represents from 20 to 85 weight percent; x represents from 5 to 65 weight percent; y represents from 5 to 50 weight percent and; z represents from 2 to 10 weight percent.
Claim 5
Dependent Claim
71 words
The element of claims 1 or 2 wherein: B represents polymerized tetrahydrofurfuryl methacrylate, n-butyl acrylate, methoxyethyl acrylate, ethyl acrylate or methyl methacrylate; C represents polymerized methacrylic acid and D represents polymerized N-(2-methacryloyloxyethyl)-N,N,N-trimethylammonium methosulfate; N,N,N-trimethyl-N-vinylbenzylammonium chloride or N-(3-methacrylamidopropyl)-N,N,N-trimethylammonium chloride; w represents from 30 to 70 weight percent; x represents from 10 to 43 weight percent; y represents from 10 to 30 weight percent and; z represents from 2 to 10 weight percent.
Claim 6
Dependent Claim
54 words
The element of claim 1 or 2 wherein the polymer is selected from the group consisting of poly(vinyl acetate-co-tetrahydrofurfuryl methacrylate-co-methacrylic acid-co-N-2-methacryloyloxyethyl-N,N,N-trimethylammonium methosulfate) (55/20/20/5); poly(vinyl acetate-co-tetrahydrofurfuryl methacrylate-co-methacrylic acid-co-N-2-methacryloyloxyethyl-N,N,N-trimethylammonium methosulfate) (65/20/10/5); poly(vinyl acetate-co-n-butyl acrylate-co-methacrylic acid-co-N-2-methacryloyloxyethyl-N,N,N-trimethylammonium methosulfate) (60/20/15/5); poly[vinyl acetate-co-tetrahydrofurfuryl methacrylate-co-methacrylic acid-co-N-(3-methacrylamidopropyl)-N,N,N-trimethylammonium chloride] 55/20/20/5); poly(vinyl acetate-co-tetrahydrofurfuryl methacrylate-co-methacrylic acid-co-N,N,N-trimethyl-N-vinylbenzylammonium chloride) (55/20/20/5) and poly(vinyl acetate-co-methoxyethyl acrylate-co-methacrylic acid-co-N-2-methacryloyloxyethyl-N,N,N-trimethylammonium methosulfate) (60/20/15/5).
Claim 7
Dependent Claim
15 words
The element of claim 1 or 2 wherein the polymer is loaded with a hydrophobe.
Claim 8
Dependent Claim
13 words
The element of claim 1 or 2 wherein the support is cellulose acetate.
Claim 9
Independent Claim
138 words
A method of forming a coating from a latex composition comprising the steps of: (a) preparing a latex composition comprising an aqueous continuous phase having dispersed therein polymer particles; (b) coating the composition of (a) on a support; and (c) removing substantially all water from the coating; characterized in that the polymer comprise random recurring units having the structures: --A).sub.w, --B).sub.x, --C).sub.y and --D).sub.z wherein; A represents polymerized vinyl acetate; B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate; C represents a polymerized, carboxyl group-containing vinyl monomer which forms a water-insoluble homopolymer; D represents a polymerized cationically charged copolymerizable monomer; w represents from 20 to 85 weight percent; x represents from 5 to 65 weight percent; y represents from 5 to 50 weight percent and; z represents from 0 to 15 weight percent.
Claim 10
Independent Claim
138 words
A method of forming a coating from a latex composition comprising the steps of: (a) preparing a latex composition comprising an aqueous continuous phase having dispersed therein polymer particles; (b) coating the composition of (a) on a support; and (c) removing substantially all water from the coating; characterized in that the polymer comprise random recurring units having the structures: --A).sub.w, --B).sub.x, --C).sub.y and --D).sub.z wherein; A represents polymerized vinyl acetate; B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate; C represents a polymerized, carboxyl group-containing vinyl monomer which forms a water-insoluble homopolymer; D represents a polymerized cationically charged copolymerizable monomer; w represents from 20 to 85 weight percent; x represents from 5 to 65 weight percent; y represents from 5 to 50 weight percent and; z represents from 0 to 15 weight percent.
Claim 11
Dependent Claim
11 words
The process of claim 7 wherein the support is cellulose acetate.
Claim 12
Dependent Claim
24 words
The process of claim 7 wherein the support is cellulose acetate and the polymeric latex coating is overcoated with a coating of poly(methyl methacrylate).
References Cited (Backward Citations)
US3446767A
Cited
US4129711A
Cited
US3615557A
Cited
US3749577A
Cited
US3790533A
Cited
US3947396A
Cited
US4066820A
Cited
US4199363A
Cited
US4022743A
Cited
US4368258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-15 | 1987-11-14 | 1988-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-15 | 1991-11-14 | 1992-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-15 | 1995-11-14 | 1996-05-15 | $7700.00 | Window Closed / Lapsed |