Claims
- 1. A polymer blend comprising:
- (A) 5 to 79.5 weight percent of a graft rubber composition comprising a graft copolymer of from 15 to 55 parts by weight of acrylonitrile and from 85 to 45 parts by weight of styrene, wherein monomers of acrylonitrile and styrene are polymerized in the presence of an grafted onto a substrate rubber having a glass transition temperature below 0.degree. C., wherein the weight percentage of the rubber is in the range of from 5 to 80 percent and the weight percentage of the graft copolymer is in the range of 95 to 20 percent of the graft rubber composition;
- (B) 94.5 to 20 weight percent of a nylon polyamide resin; and
- (C) 0.5 to 60 weight percent of a compatibilizer terpolymer of styrene, acrylonitrile and maleic anhydride capable of reaction with the polyamide resin, having a styrene:acrylonitrile weight ratio of 80:20 to 50:50 and a maleic anhydride content of 0.3 to 1.5 mole percent and wherein said compatibilizer terpolymer is miscible with the graft copolymer of said graft rubber composition;
- wherein the percentage weights of components A, B and C are based on the total weight of components A, B and C in the blend.
- 2. A polymer blend comprising:
- (A) 5 to 79.5 weight percent of a graft rubber composition comprising a graft copolymer of from 15 to 85 parts by weight of at least one monomer selected from the group consisting of C.sub.1 to C.sub.4 alkyl methacrylates, C.sub.1 to C.sub.4 alkyl acrylates, methacrylonitrile and acrylonitrile and from 85 to 15 parts by weight of a vinyl aromatic monomer, wherein the monomers are polymerized in the presence of and grafted onto a substrate rubber having a glass transition temperature below 0.degree. C., wherein the weight percentage of the rubber is in the range of from 5 to 80 percent and the weight percentage of the graft copolymer is in the range of 95 to 20 percent of the graft rubber composition;
- (B) 94.5 to 20 weight percent of a nylon polyamide resin; and
- (C) 0.5 to 60 weight percent of a compatibilizer terpolymer of a styrene monomer, acrylonitrile and maleic anhydride and having a styrene monomer:acrylonitrile weight ratio of 80:20 to 50:50, a maleic anhydride content of 0.3 to 1.5 mole percent and an average functionality in the range of one to ten;
- wherein the percentage weights of components A, B and C are based on the total weight of components A, B and C in the blend.
- 3. A polymer blend according to claim 2 wherein component A comprises a graft copolymer of acrylonitrile and a styrene monomer.
- 4. A polymer blend comprising:
- (A) 5 to 79.5 weight percent of a graft rubber composition comprising a graft copolymer of from 15 to 85 parts by weight of at least one monomer selected from the group consisting of C.sub.1 to C.sub.4 alkyl methacrylates, C.sub.1 to C.sub.4 alkyl acrylates, methacrylonitrile and acrylonitrile and from 85 to 15 parts by weight of a vinyl aromatic monomer, wherein the monomers are polymerized in the presence of and grafted onto a substrate rubber having a glass transition temperature below 0.degree. C., wherein the weight percentage of the rubber is in the range of from 5 to 80 percent and the weight percentage of the graft copolymer is in the range of 95 to 20 percent of the graft rubber composition;
- (B) 94.5 to 20 weight percent of a nylon polyamide resin; and
- (C) 0.5 to 60 weight percent of a compatibilizer terpolymer of (1) a styrene monomer, (2) at least one monomer selected from the group consisting of C.sub.1 to C.sub.4 alkyl methacrylates, C.sub.1 to C.sub.4 alkyl acrylate methacrylonitrile and acrylonitrile and (3) 0.3 to 1.5 mole percent of a functionalized monomer capable of reaction with the polyamide resin wherein the styrene monomer:at least one monomer weight ratio is 80:20 to 50:50;
- wherein the percentage weights of components A, B and C are based on the total weight of components A, B and C in the blend.
- 5. A polymer blend according to claim 4 wherein component A comprises a graft copolymer of acrylonitrile and a styrene monomer.
- 6. A polymer blend according to claim 5 wherein said functionalized monomer is maleic anhydride.
- 7. A polymer blend according to claim 6 wherein said terpolymer is miscible with said graft copolymer.
Parent Case Info
This application is a continuation-in-part of application Ser. No. 733,560, filed May 10, 1985, now abandoned.
Foreign Referenced Citations (2)
Number |
Date |
Country |
0068132 |
Jan 1983 |
EPX |
54-48850 |
Apr 1979 |
JPX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
733560 |
May 1985 |
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