| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin composition having improved plasticized effects compared to that of a single conventional thermoplastic resin, and improved mold-releasability at injection molding by adding a specific polyether copolymer to the thermoplastic resin and compounding the obtained mixture. SOLUTION: The thermoplastic resin composition is obtained by adding 0.1-50pts.wt. polyether copolymer obtained by copolymerizing 75-99mol% 1, 3-dioxolane (b-1) with 25-1mol% monomer (b-2) polymerizable by ring-opening and selected from a cyclic ether compound and a cyclic formal compound, to (A) 100pts.wt. thermoplastic resin, and melting and kneading the product. COPYRIGHT: (C)2004,JPO&NCIPI
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