US4822676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesive compositions for use on vinyl substrates
Assignee: Ingredion Inc
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Filing: 1987-03-16
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Granted: 1989-04-18
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Expires: 2007-03-16
Abstract
Abstract Adhesive compositions having a Tg of -45 to -25 DEG C suitable for application to plasticized polyvinyl chloride comprising 25-48% by weight of a vinyl ester of an alkanoic acid; 10-25% by weight ethylene; 40-70% by weight of an acrylic acid ester; 1 to 10% by weight of tertiary octyl acrylamide; and 1 to 10% by weight of a mono-carboxylic acid.
Inventors
- 👤 Paul R. Mudge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:13
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1808; C09J133/00; C09J133/04; C09J133/06; C09J133/08; C09J7/00; C09J7/20; C09J7/22; C09J7/30; C09J7/38; C09J2301/00; C09J2301/30; C09J2301/302; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2865; Y10T428/2878; Y10T428/2891; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
136 words
Plasticized polyvinyl chloride substrates coated with a pressure sensitive adhesive composition having a Tg of -45° to -25° C., said adhesive comprising an emulsion polymer of 25-48% by weight of a vinyl ester of a alkenoic acid selected from the group consisting of vinyl formate, vinyl acetate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl valerate, vinyl-2-ethyl-hexanoate, vinyl isooctanoate, vinyl nonate, vinyl decanoate, vinyl pivalate, and vinyl versetate; 10-25% by weight ethylene; 40-70% by weight of an acrylic acid ester selected from the group consisting of 2-ethylhexyl acrylate, butyl acrylate, hexyl acrylate, heptyl acrylate, octyl acrylate, n-decyl acrylate and dodecyl acrylate; 1 to 10 % by weight tertiary octyl acrylamide, and 1 to 10% by weight of a mono-carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, monoethyl maleate, monobutyl maleate and monooctyl maleate.
Claim 2
Dependent Claim
136 words
Plasticized polyvinyl chloride substrates coated with a pressure sensitive adhesive composition having a Tg of -45° to -25° C., said adhesive comprising an emulsion polymer of 25-48% by weight of a vinyl ester of a alkenoic acid selected from the group consisting of vinyl formate, vinyl acetate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl valerate, vinyl-2-ethyl-hexanoate, vinyl isooctanoate, vinyl nonate, vinyl decanoate, vinyl pivalate, and vinyl versetate; 10-25% by weight ethylene; 40-70% by weight of an acrylic acid ester selected from the group consisting of 2-ethylhexyl acrylate, butyl acrylate, hexyl acrylate, heptyl acrylate, octyl acrylate, n-decyl acrylate and dodecyl acrylate; 1 to 10 % by weight tertiary octyl acrylamide, and 1 to 10% by weight of a mono-carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, monoethyl maleate, monobutyl maleate and monooctyl maleate.
Claim 3
Dependent Claim
16 words
The substrate of claim 1 wherein the polyvinyl chloride substrate is plasticized with a migratory plasticizer.
Claim 4
Dependent Claim
12 words
The substrate of claim 2 wherein the plasticizer is a pthalate ester.
Claim 5
Dependent Claim
16 words
The substrate of claim 2 wherein the plasticizer is a polyester or an epoxidized soybean oil.
Claim 6
Dependent Claim
15 words
The substrate of claim 1 wherein the vinyl ester in the adhesive is vinyl acetate.
Claim 7
Dependent Claim
23 words
The substrate of claim 1 wherein the vinyl ester is present in the adhesive in an amount of 30 to 40% by weight.
Claim 8
Dependent Claim
13 words
The substrate of claim 1 wherein the acrylic acid ester is 2-ethylhexyl acrylate.
Claim 9
Dependent Claim
24 words
The substrate of claim 1 wherein the acrylic acid ester is present in the adhesive in an amount of 50 to 60% by weight.
Claim 10
Dependent Claim
24 words
The substrate of claim 1 wherein the acid in the adhesive is acrylic acid or methacrylic acid or a half ester of maleic acid.
Claim 11
Dependent Claim
14 words
The substrate of claim 9 wherein the acid is acrylic acid or methacrylic acid.
Claim 12
Dependent Claim
21 words
The substrate of claim 1, wherein the tertiary octyl acrylamide is present in an amount of 3 to 6% by weight.
Claim 13
Dependent Claim
137 words
Pressure sensitive adhesive compositions having a Tg of -45° to -25° C. suitable for application to plasticized polyvinyl chloride films, said adhesive consisting essentially of an emulsion polymer of 25-48% by weight of a vinyl ester of a alkanoic acid selected from the group consisting of vinyl formate, vinyl acetate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl valerate, vinyl-2-ethyl-hexanoate, vinyl isooctanoate, vinyl nonate, vinyl decanoate, vinyl pivalate, and vinyl versetate; 10-25% by weight ethylene; 40-70% by weight of an acrylic acid ester selected from the group consisting of 2-ethylhexyl acrylate, butyl acrylate, hexyl acrylate, heptyl acrylate, octyl acrylate, n-decyl acrylate and dodecyl acrylate; 1 to 10% weight tertiary octyl acrylamide, and 1 to 10% by weight of a mono-carboxylic acid selected from the group consisting of crylic acid, methacrylic acid, monoethyl maleate, monobutyl maleate and monooctyl maleate.
Claim 14
Dependent Claim
137 words
Pressure sensitive adhesive compositions having a Tg of -45° to -25° C. suitable for application to plasticized polyvinyl chloride films, said adhesive consisting essentially of an emulsion polymer of 25-48% by weight of a vinyl ester of a alkanoic acid selected from the group consisting of vinyl formate, vinyl acetate, vinyl propionate, vinyl butyrate, vinyl isobutyrate, vinyl valerate, vinyl-2-ethyl-hexanoate, vinyl isooctanoate, vinyl nonate, vinyl decanoate, vinyl pivalate, and vinyl versetate; 10-25% by weight ethylene; 40-70% by weight of an acrylic acid ester selected from the group consisting of 2-ethylhexyl acrylate, butyl acrylate, hexyl acrylate, heptyl acrylate, octyl acrylate, n-decyl acrylate and dodecyl acrylate; 1 to 10% weight tertiary octyl acrylamide, and 1 to 10% by weight of a mono-carboxylic acid selected from the group consisting of crylic acid, methacrylic acid, monoethyl maleate, monobutyl maleate and monooctyl maleate.
Claim 15
Dependent Claim
12 words
The adhesive of claim 12 wherein the vinyl ester is vinyl acetate.
Claim 16
Dependent Claim
14 words
The adhesive of claim 12 wherein the acrylic acid ester is 2 ethylhexyl acrylate.
Claim 17
Dependent Claim
21 words
The adhesive of claim 12 wherein the acrylic acid ester is present in an amount of 50 to 60 by weight.
Claim 18
Dependent Claim
21 words
The adhesive of claim 12 wherein the tertiary octyl acrylamide is present in an amount of 3 to 6% by weight.
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) | 1992-04-17 | 1992-10-17 | 1993-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-17 | 1996-10-17 | 1997-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-17 | 2000-10-17 | 2001-04-18 | $7700.00 | Window Closed / Lapsed |