申请人:Polyplastics Co Ltd
公开号:EP1264858A1
公开(公告)日:2002-12-11
About 0.001 to 5 parts by weight of a hindered phenol-series compound, about 0.01 to 5 parts by weight of a weather (light)-resistant stabilizer, and about 0.001 to 10 parts by weight of a spiro-compound having a triazine ring are added to 100 parts by weight of a polyacetal resin. The spiro-compound may be a compound represented by the following formula (1). The polyacetal resin composition may further comprise a coloring agent, a processing stabilizer, a heat stabilizer, and others.
wherein R1 and R2 are the same or different, each representing an alkylene group, an arylene group, or an aralkylene group.
在 100 重量份的聚缩醛树脂中加入约 0.001 至 5 重量份的受阻酚系列化合物、约 0.01 至 5 重量份的耐候(光)稳定剂和约 0.001 至 10 重量份的具有三嗪环的螺环化合物。螺环化合物可以是下式(1)所代表的化合物。聚缩醛树脂组合物还可包括着色剂、加工稳定剂、热稳定剂等。
其中 R1 和 R2 相同或不同,各自代表烯基、芳烯基或芳烷基。