Patent ID: 6498206
Filing Date: 2002-12-24
Classification: C08K,C08L

Abstract:
An impact modifier having an improved blocking resistance which comprises (A) a graft copolymer prepared by polymerization of a vinyl monomer in the presence of hollow rubber particles, and at least two additives selected from the group consisting of (B) 0.1 to 10 parts of a higher fatty acid soap, (C) 0.1 to 10 parts of a crosslinked polymer of 0.1 to 100% by weight of a crosslinking monomer and 0 to 99.9% by weight of a vinyl monomer and (D) 0.001 to 5 parts of a silicone oil, said parts of (B), (C) and (D) being parts by weight per 100 parts by weight of said graft copolymer (A).