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US3879320A
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Polymeric compositions
Assignee: Sherwin Williams Co
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Filing: 1973-10-10
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Granted: 1975-04-22
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Expires: 1993-10-10
Abstract
Abstract This invention relates to polymeric compositions and particularly to film-forming compositions derived from the reaction of at least one aliphatic vinyl ester, e.g. vinyl acetate and an epoxidized fatty oil or fatty acid ester.
Inventors
- 👤 John Mathai
- 👤 Jose J Chettiath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:20
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F283/00; C08F283/10
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
62 words
A POLYMERIC COMPOSITION PREPARED BY COREACTING AT TEMPERATURE OF AT LEAST ABOUT 50:C AND IN THE PRESENCE OF AN EFFECTIVE AMOUNT OF ORGANIC PEROXIDE APPROXIMATELY 50 TO 95% BY WEIGHT OF AT LEAST ONE ALIPHATIC VINYL ESTER AND 5 TO 50% BY WEIGHT OF AT LEAST ONE EPOXIDIZED FATTY OIL OR EPOXIDIZED FATTY-ACID ESTER HAVING AT LEAST ONE EPOXIDE GROUP PER MOLECULE.
Claim 2
Dependent Claim
62 words
A POLYMERIC COMPOSITION PREPARED BY COREACTING AT TEMPERATURE OF AT LEAST ABOUT 50:C AND IN THE PRESENCE OF AN EFFECTIVE AMOUNT OF ORGANIC PEROXIDE APPROXIMATELY 50 TO 95% BY WEIGHT OF AT LEAST ONE ALIPHATIC VINYL ESTER AND 5 TO 50% BY WEIGHT OF AT LEAST ONE EPOXIDIZED FATTY OIL OR EPOXIDIZED FATTY-ACID ESTER HAVING AT LEAST ONE EPOXIDE GROUP PER MOLECULE.
Claim 3
Dependent Claim
62 words
A polymeric composition prepared by coreacting at temperatures of at least about 50*C and in the presence of an effective amount of organic peroxide approximately 50 to 95% by weight of at least one aliphatic vinyl ester and 5 to 50% by weight of at least one epoxidized fatty oil or epoxidized fatty-acid ester having at least one epoxide group per molecule.
Claim 4
Dependent Claim
62 words
A polymeric composition prepared by coreacting at temperatures of at least about 50*C and in the presence of an effective amount of organic peroxide approximately 50 to 95% by weight of at least one aliphatic vinyl ester and 5 to 50% by weight of at least one epoxidized fatty oil or epoxidized fatty-acid ester having at least one epoxide group per molecule.
Claim 5
Dependent Claim
36 words
The polymeric composition of claim 1 further characterized in that the temperature ranges from about 50*C to 170*C and the peroxide is present in an amount ranging up to about 3% by weight of the reactants.
Claim 6
Dependent Claim
18 words
The polymeric composition of claim 1 further characterized in that the organic peroxide is tertiary-butyl peroxy (2-ethyl) hexanoate.
Claim 7
Dependent Claim
46 words
The polymeric composition of claim 1 further characterized in that the vinyl ester is vinyl acetate present in an amount ranging from about 75 to 95% by weight and the epoxidized fatty oil is present in an amount ranging from about 5 to 25% by weight.
Claim 8
Dependent Claim
19 words
The polymeric composition of claim 4 further characterized in that the epoxidized fatty oil is an epoxidized soybean oil.
Claim 9
Dependent Claim
75 words
A process for preparing a polymeric composition which comprises coreacting at a temperature ranging from about 50*C to 250*C in the presence of at least 0.01% by weight of an organic peroxide catalyst, approximately 50 to 95% by weight of an aliphatic vinyl ester having 3 to 6 carbon atoms and 5 to 50% by weight of at least one epoxidized fatty oil or epoxidized fatty-acid ester having at least one epoxide group per molecule.
Claim 10
Dependent Claim
75 words
A process for preparing a polymeric composition which comprises coreacting at a temperature ranging from about 50*C to 250*C in the presence of at least 0.01% by weight of an organic peroxide catalyst, approximately 50 to 95% by weight of an aliphatic vinyl ester having 3 to 6 carbon atoms and 5 to 50% by weight of at least one epoxidized fatty oil or epoxidized fatty-acid ester having at least one epoxide group per molecule.
Claim 11
Dependent Claim
15 words
The process of claim 6 further characterized in that the vinyl ester is vinyl acetate.
Claim 12
Dependent Claim
19 words
A polymeric coating composition comprising an organic solvent and an effective amount of the polymeric composition of claim 1.
Claim 13
Dependent Claim
34 words
The polymeric coating composition of claim 8 further characterized in that the polymeric composition is present in the organic solvent in an amount ranging from about 5 to 99% by weight of the mixture.
Claim 14
Dependent Claim
20 words
The polymeric composition of claim 9 further characterized in that the organic solvent is a lower molecular weight aliphatic alcohol.
Claim 15
Dependent Claim
80 words
A polymeric composition prepared by coreacting at temperatures of at least about 50*C and up to about 250*C in the presence of an effective amount of an organic peroxide approximately 50 to 95% by weight of at least one aliphatic vinyl ester having up to ten carbon atoms and 5 to 50% by weight of at least one epoxidized fatty oil or epoxidized fatty-acid ester having up to 36 aliphatic carbon atoms and at least one epoxide group per molecule.
Claim 16
Dependent Claim
80 words
A polymeric composition prepared by coreacting at temperatures of at least about 50*C and up to about 250*C in the presence of an effective amount of an organic peroxide approximately 50 to 95% by weight of at least one aliphatic vinyl ester having up to ten carbon atoms and 5 to 50% by weight of at least one epoxidized fatty oil or epoxidized fatty-acid ester having up to 36 aliphatic carbon atoms and at least one epoxide group per molecule.
Claim 17
Dependent Claim
29 words
The polymeric composition of claim 11 further characterized in that the vinyl ester is vinyl acetate and the epoxidized fatty oil is an epoxidized drying oil or semi-drying oil.
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) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |