Patent US81270A successfully refreshed from Google Patents.
US4401720A
Expired / Lapsed
US
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Poly(vinyl chloride) plastisol compositions
Assignee: Eastman Chemical Co
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Filing: 1982-09-20
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Granted: 1983-08-30
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Expires: 2002-09-20
Abstract
Abstract Disclosed are plastisol compositions comprising a poly(vinyl chloride) resin, a plasticizer for the resin in an amount sufficient to form a plastisol, and from about 4 to about 20% by weight, based on the weight of the composition, of a saturated, thermoplastic polyester dispersed in the plastisol, the polyester being in particulate form, having a melting point of about 70° to about 200° C., a heat of fusion of about 10 calories per gram or less, and an inherent viscosity of about 0.3 to about 1.0.
Inventors
- 👤 Donald C. Davis
- 👤 Richard L. McConnell
- 👤 Max F. Meyer, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:00
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/18; B32B27/22; B32B27/04; B32B7/00; B32B7/04; B32B7/12; C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; D; D06; D06M; D06M17/00; D06M17/04; D06M17/06; B32B2327/00; B32B2327/06; C08L67/00; C08L67/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
136 words
A composition having improved adhesion to polyester and polyvinyl chloride materials comprising (a) a vinyl chloride resin selected from polyvinyl chloride and copolymers prepared from vinyl chloride and up to 30% of another copolymerizable vinyl monomer, (b) a plasticizer for said vinyl chloride resin in an amount sufficient to form a plastisol, and (c) from about 4 to about 20% by weight, based on the weight of said composition, of a saturated, linear thermoplastic polyester derived from about 100 mole % of a dicarboxylic acid and about 100 mole % of a glycol component, said polyester being dispersed in said plastisol, said polyester having a melting point of about 70° to about 200° C., a heat of fusion of about 10 calories per gram or less, and an inherent viscosity of about 0.3 to about 1.0.
Claim 2
Dependent Claim
136 words
A composition having improved adhesion to polyester and polyvinyl chloride materials comprising (a) a vinyl chloride resin selected from polyvinyl chloride and copolymers prepared from vinyl chloride and up to 30% of another copolymerizable vinyl monomer, (b) a plasticizer for said vinyl chloride resin in an amount sufficient to form a plastisol, and (c) from about 4 to about 20% by weight, based on the weight of said composition, of a saturated, linear thermoplastic polyester derived from about 100 mole % of a dicarboxylic acid and about 100 mole % of a glycol component, said polyester being dispersed in said plastisol, said polyester having a melting point of about 70° to about 200° C., a heat of fusion of about 10 calories per gram or less, and an inherent viscosity of about 0.3 to about 1.0.
Claim 3
Dependent Claim
21 words
Composition according to claim 1 wherein the melting temperature of the polyester is between about 70° C. and about 180° C.
Claim 4
Dependent Claim
25 words
Composition according to claim 1 wherein the plasticizer is present in an amount between about 80 and about 130 parts per 100 parts poly(vinyl chloride).
Claim 5
Dependent Claim
46 words
Composition according to claim 1 wherein said polyester is derived from one or more dibasic acids selected from terephthalic acid, isophthalic acid, succinic acid, 1,4-cyclohexanedicarboxylic acid, adipic acid and glutaric acid, and one or more glycols selected from ethylene glycol, diethylene glycol, 1,4-butanediol, 1,6-hexanediol, and 1,4-cyclohexanedimethanol.
Claim 6
Dependent Claim
19 words
Composition according to claim 1 wherein said polyester is derived from 1,4-cyclohexanedicarboxylic acid, glutaric acid, 1,4-butanediol and diethylene glycol.
Claim 7
Dependent Claim
33 words
Composition according to claim 1 wherein said polyester is derived from a dibasic acid component comprising at least 40 mole % terephthalic acid, and a glycol component consisting essentially of 1,4-butanediol and 1,6-hexanediol.
Claim 8
Dependent Claim
27 words
The method of bonding substrates which comprises applying the composition according to claim 1 between the substrates to be bonded, and applying heat to form a bond.
Claim 9
Dependent Claim
14 words
The method of bonding substrates which comprises applying the composition according to claim 5.
Claim 10
Dependent Claim
14 words
The method of bonding substrates which comprises applying the composition according to claim 6.
Claim 11
Dependent Claim
9 words
Substrates bonded with the composition according to claim 1.
Claim 12
Dependent Claim
9 words
Substrates bonded with the composition according to claim 5.
Claim 13
Dependent Claim
9 words
Substrates bonded with the composition according to claim 6.
References Cited (Backward Citations)
US3549571A
Cited
US3723379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-29 | 1987-02-28 | 1987-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-29 | 1991-02-28 | 1991-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-29 | 1995-02-28 | 1995-08-30 | $7700.00 | Window Closed / Lapsed |