Patent US4332715A successfully refreshed from Google Patents.
US4332715A
Expired / Lapsed
US
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Vinyl resin compositions comprising an organopolysiloxane
Assignee: DuPont Toray Specialty Materials KK
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Filing: 1981-07-13
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Granted: 1982-06-01
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Expires: 2001-07-13
Abstract
Abstract Vinyl resin compositions are disclosed which possess improved lubricity, mold releasability, water repellency, abrasion resistance, gloss and/or processability. These improvements are obtained by mixing with the vinyl resin a minor portion of an organopolysiloxane which bears one or more acyloxyhydrocarbyl radicals bonded to silicon in the organopolysiloxane.
Inventors
- 👤 Isao Ona
- 👤 Masaru Ozaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:55
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/08; C08L31/00; C08L31/02; C08L31/04; C08L33/10; C08L57/00; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
94 words
A composition comprising (a) 100 parts by weight of a vinyl resin component and (b) from 0.01 to 20 parts by weight of an organopolysiloxane component having the formula ##STR7## wherein R denotes a substituted or unsubstituted monovalent hydrocarbon radical, R' denotes a divalent hydrocarbon radical, R" denotes an alkyl radical, A denotes an R radical or an R'OCOR" radical, m and n are each zero or a positive integer and the sum of m+n has a value of from 1 to 2000, there being at least one R'OCOR" radical per molecule of organopolysiloxane.
Claim 2
Dependent Claim
94 words
A composition comprising (a) 100 parts by weight of a vinyl resin component and (b) from 0.01 to 20 parts by weight of an organopolysiloxane component having the formula ##STR7## wherein R denotes a substituted or unsubstituted monovalent hydrocarbon radical, R' denotes a divalent hydrocarbon radical, R" denotes an alkyl radical, A denotes an R radical or an R'OCOR" radical, m and n are each zero or a positive integer and the sum of m+n has a value of from 1 to 2000, there being at least one R'OCOR" radical per molecule of organopolysiloxane.
Claim 3
Dependent Claim
16 words
The composition according to claim 1 wherein the vinyl resin component is a vinyl acetate resin.
Claim 4
Dependent Claim
15 words
The composition according to claim 1 wherein the vinyl resin component is an acrylate resin.
Claim 5
Dependent Claim
15 words
The composition according to claim 1 wherein the vinyl resin component is a methacrylate resin.
Claim 6
Dependent Claim
19 words
The composition according to claims 1, 2, 3 or 4 wherein the organopolysiloxane component (b) has the formula ##STR8##
Claim 7
Dependent Claim
19 words
The composition according to claims 1, 2, 3 or 4 wherein the organopolysiloxane component (b) has the formula ##STR9##
References Cited (Backward Citations)
GB1460128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-31 | 1985-11-30 | 1986-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-31 | 1989-11-30 | 1990-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-31 | 1993-11-30 | 1994-06-01 | $7700.00 | Window Closed / Lapsed |