| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermoplastic resin composition composed of a polycarbonate resin and a rubber reinforced styrene resin, having high flowability and high impact resistance. <P>SOLUTION: The thermoplastic resin composition contains 40-75 pts.wt. of polycarbonate resin (I), 10-25 pts.wt. of a copolymer (II) prepared by graft-copolymerizing 35-60 wt.% of monomer mixture containing an aromatic vinyl monomer (b) and a vinyl cyanide monomer (c), in the presence of 40-65 wt.% of diene rubber-like polymer (a), and 15-35 pts.wt. of a vinyl copolymer (III) satisfying (A) and (B) described as following: (A) 74-85 wt.% of aromatic vinyl monomer (d) is copolymerized with 15-26 wt.% of vinyl cyanide monomer (e); and (B) 10-50 wt.% of copolymer having a composition higher by 2 wt.% or more than an average vinyl cyanide content of the vinyl copolymer (III) is contained in the vinyl copolymer (III). <P>COPYRIGHT: (C)2012,JPO&INPIT |
