RESIN COMPOSITION CONTAINING VINYLIC CYCLIC HYDROCARBON POLYMER AND PRODUCT OF MOLDING THEREOF
申请人:NIPPON ZEON CO., LTD.
公开号:EP1000974A1
公开(公告)日:2000-05-17
A molded or formed product obtained by molding or forming a resin composition comprising (A) at least one vinyl cyclic hydrocarbon polymer selected from the group consisting of hydrogenated products of aromatic vinyl polymers, vinylcyclohexene polymers or hydrogenated products thereof, and vinylcyclohexane polymers, and (B) at least one substance selected from the group consisting of compounding additives incompatible with the polymer, organic compounds having at least one alcoholic hydroxyl group and at least one ether linkage, and organic compounds having at least one alcoholic hydroxyl group and at least one ester linkage, wherein the initial light transmittance (a) of the molded or formed product at an optional wavelength within a range of 400 to 800 nm and the light transmittance (b) of the molded or formed product after the molded or formed product is held for 1,000 hours in an atmosphere of 65°C in temperature and 90% in relative humidity satisfy the relationship of the equation (1):[(b)/(a)] x 100 ≥ 70 and a resin composition.
一种通过模塑或成型树脂组合物获得的模塑或成型产品,该树脂组合物包含(A)至少一种乙烯基环烃聚合物,该聚合物选自由芳香族乙烯基聚合物的氢化产物、乙烯基环己烯聚合物或其氢化产物和乙烯基环己烷聚合物组成的组;以及(B)至少一种物质,该物质选自由与聚合物不相容的复合添加剂、具有至少一个醇羟基和至少一个醚键的有机化合物组成的组;以及具有至少一个醇羟基和至少一个酯键的有机化合物、其中模塑或成型产品在 400 至 800 纳米范围内的任选波长下的初始透光率 (a) 和模塑或成型产品在温度为 65°C 和相对湿度为 90% 的环境中保持 1,000 小时后的透光率 (b) 满足公式 (1) 的关系:[(b)/(a)] x 100 ≥ 70 和树脂成分。