A thermoplastic polyester resin composition comprising 100 parts by weight of a thermoplastic polyester resin (A), 5 to 40 parts by weight of a phosphinate(B), and an organosiloxane (X);
wherein the phosphinate is a calcium salt or aluminium salt of phosphine acid having the anion part having a particular structure;
which, as the organosiloxane (X), comprises 1.5 to 10 parts by weight of an organosiloxane compound (X-1) or 0.01 to 5 parts by weight of an organosiloxane polymer (X-2), relative to 100 parts by weight of the thermoplastic polyester resin (A); and
wherein the organosiloxane compound (X-1) comprises organic groups bonding to a silicon atom directly or through an oxygen atom, and 40 mole% or more of the organic groups are an aryl group, and the organosiloxane polymer (X-2) is in the form of solid at 25°C.
一种热塑性聚酯
树脂组合物,包括 100 重量份的热塑性聚酯
树脂(A)、5 至 40 重量份的
膦酸盐(B)和有机
硅氧烷(X);
其中
膦酸盐是
膦酸的
钙盐或铝盐,其阴离子部分具有特定结构;
其中,作为有机
硅氧烷(X),相对于 100 重量份的热塑性聚酯
树脂(A),包括 1.5 至 10 重量份的有机
硅氧烷化合物(X-1)或 0.01 至 5 重量份的有机
硅氧烷聚合物(X-2);以及
其中有机
硅氧烷化合物(X-1)包括直接或通过氧原子与
硅原子键合的有机基团,40 摩尔%或更多的有机基团为芳基,有机
硅氧烷聚合物(X-2)在 25℃时为固体形式。