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发明公开
CN110709455A UV和热稳定的阻燃玻璃填充的聚合物组合物和由其制成的增强制品 审中-实审

UV和热稳定的阻燃玻璃填充的聚合物组合物和由其制成的增强制品
摘要：
本发明涉及一种聚合物组合物，其包含a)聚丙烯树脂；b)光稳定性添加剂和热稳定性添加剂的混合物，其包含：i)重均分子量为至少1600g/mol的高分子量受阻叔胺光稳定剂(t-HM-HALS)；ii)低分子量受阻仲胺光稳定剂(s-LM-HALS)是2,2,6,6-四-甲基-4-哌啶醇的脂肪酸酯或其脂肪酸混合物；和iii)3,5-二烷基化的4-羟基苯基丙酸的烷基酯或3,5-二烷基化的4-羟基苯甲酸正烷基酯；c)抗氧化剂添加剂的混合物，其包含：i)酚类抗氧化剂；和ii)亚磷酸酯添加剂；d)阻燃组合物，其优选包含以下的混合物：i)有机磷酸酯化合物；ii)有机磷酸；和iii)氧化锌；以及e)玻璃填料。本发明还涉及一种由其制备的制品。
摘要（英）：

The invention relates to a polymer composition comprising a) a polypropylene resin; b) a mixture of light and heat stabilizing additives, comprising: i) a high molecular weight hindered tertiary aminelight stabilizer (t-H M-HALS) having a weight average molecular weight of at least 1600 g/mol; ii) a low molecular weight hindered secondary amine light stabilizer (s-LM-HALS) is a fatty acid ester of 2,2,6,6- tetra-methyl-4-pipiridinol or a mixture of fatty acids thereof; and iii) an alkyl ester of a 3,5-dialkylated 4-hydroxyphenyl propionic acid or a n-alkyl-3,5-dialkylated 4- hydroxybenzoate;c) a mixture of antioxidant additives, comprising: i) a phenolic antioxidant; and ii) a phosphite additive; d) a flame-retardant composition, preferably comprising a mixture of: i) an organic phosphate compound; ii) an organic phosphoric acid; and iii) a zinc oxide; and e) a glass filler. The invention moreover relates to an article prepared therefrom.

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