Patent ID: 7375160

Claim:
A rubber-reinforced vinyl resin, which is obtained by polymerizing 95 to 20% by weight of a vinyl monomer (B) in a presence of 5 to 80% by weight of a rubber-like copolymer (A) comprising 10 to 90% by weight of the below described component (I) or (III) and 90 to 10% by weight of the below described component (II), provided that (I)+(II)=100% by weight or (II)+(III)=100% by weight, provided that (A)+(B)=100% by weight, wherein Component (I): a rubber-like copolymer which is obtained by polymerizing monomers comprising the mixture of ethylene, an α-olefin having 3 to 20 carbon atoms and a non-conjugated diene at a ratio of 30 to 95/70 to 5/0 to 20 respectively on weight percent basis, wherein the rubber-like copolymer has a Mooney viscosity (ML 1+4 @125° C.) of 15 or higher, excluding the below described the component (III); Component (II): a rubber-like copolymer which is obtained by polymerizing monomers comprising the mixture of ethylene, 1-octene and a non-conjugated diene at a ratio of 50 to 99/50 to 1/0 to 20 respectively on weight percent basis, wherein the rubber-like copolymer has a Mooney viscosity (ML 1+4 @125° C.) of less than 15; and Component (III): a rubber-like copolymer which is obtained by polymerizing monomers comprising the mixture of ethylene, 1-octene and a non-conjugated diene at a ratio of 50 to 99/50 to 1/0 to 20 respectively on weight percent basis, wherein the rubber-like copolymer has a Mooney viscosity (ML 1+4 @125° C.) of 15 or higher.