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EP0059375A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Composition

Assignee: General Electric Co
•
Filing: 1982-02-18
•
Granted: —
•
Expires: 2002-02-18
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Abstract

Abstract A novel composition which comprises (a) an aromatic carbonate polymer, (b) a butadiene-styrene copolymer, and an (c) acrylate copolymer which is a copolymer of a C1-C5 acrylate and a C1-C5 methacrylate.

Inventors

  • 👤 Ping Yuan Liu

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 21:05
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/10; C08L69/00

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 36 words
A composition which comprises in admixture (a) an aromatic carbonate polymer, (b) a butadiene-styrene copolymer, and (c) an acrylate copolymer which is a copolymer of a C l -C s methacrylate and a C 1-5 acrylate.
Claim 2
Dependent Claim 36 words
A composition which comprises in admixture (a) an aromatic carbonate polymer, (b) a butadiene-styrene copolymer, and (c) an acrylate copolymer which is a copolymer of a C l -C s methacrylate and a C 1-5 acrylate.
Claim 3
Dependent Claim 24 words
A composition in accordance with claim 1 wherein the acrylate copolymer is from about two to about six weight percent of the total composition.
Claim 4
Dependent Claim 26 words
A composition in accordance with claims 1 and 2 wherein the butadiene-styrene copolymer is from about six to about sixty weight percent of the total composition.
Claim 5
Dependent Claim 20 words
A composition in accordance with claim 2 wherein the butadiene-styrene copolymer is from about ten to about forty weight percent.
Claim 6
Dependent Claim 22 words
A composition in accordance with claims 3 and 4 wherein the acrylate copolymer is from about three to about five weight percent.
Claim 7
Dependent Claim 57 words
A composition in accordance with claims 2 and 5 wherein in the acrylate copolymer, the methacrylate is selected from the group consisting of methyl methacrylate, 1,3-butylene dimethacrylate, isobutyl methacrylate, butyl methacrylate and ethyl methacrylate and the acrylate is selected from the group consisting of 1,4-butanediol diacrylate, isobutyl acrylate, methyl acrylate, ethyl acrylate, n-butyl acrylate and 1,3-butylene diacrylate.
Claim 8
Dependent Claim 17 words
A composition in accordance with claims 5 and 6 wherein the aromatic carbonate polymer is a homopolymer.
Claim 9
Dependent Claim 14 words
A composition in accordance with claim 7 wherein the polymer is derived from bisphenol-A.
Claim 10
Dependent Claim 23 words
A composition in accordance with claim 8 wherein in the acrylate-methacrylate copolymer, the methacrylate is methyl methacrylate and the acrylate is n-butyl acrylate.
Claim 11
Dependent Claim 28 words
A composition is accordance with claim 9 wherein in the acrylate-methacrylate copolymer, the weight ratio of methyl methacrylate to n-butyl acrylate ranges from about 1/2 to about 2/l.
Claim 12
Dependent Claim 29 words
A composition in accordance with claim 3 wherein an olefin-acrylate copolymer is present in the composition in from about 0.5 to about 2.0 weight percent of the total composition.
Claim 13
Dependent Claim 23 words
A composition in accordance with claim 11 wherein the olefin content of the copolymer is from about 10 to about 30 weight percent.
Claim 14
Dependent Claim 32 words
A composition in accordance with claim 12 wherein the olefin is ethylene, propylene or isobutylene and the acrylate is ethyl acrylate, n-butyl acrylate, 1,3-butylene diacrylate, methyl acrylate, 1,4-butanediol diacrylate and isobutyl acrylate,

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