Stabilizer compositions are provided to enhance the resistance to deterioration on heating of a halogen-containing resin, comprising (A) a sulfide compound of four-valent tin having linked to a tin atom at least one sulfide group, and through carbon 1 or 2 alkoxycarbonylalkylene groups having from 1 to 8 carbon atoms in the alkoxy group and from 2 to 3 atoms in the alkylene group; and (B) a tin mercaptoalkylenecarboxylic acid ester having linked to a tin atom through sulfur 2 or 3 mercaptoalkylenecarboxylic acid alkyl ester groups having 1 or 2 carbon atoms in the mercaptoalkylene group and 4 to 18 carbon atoms in the alkyl ester group, and through carbon 1 or 2 alkoxycarbonylalkylene groups having from 1 to 8 carbon atoms in the alkoxy group and 2 or 3 carbon atoms in the alkylene group. The stabilizer composition contains at lesast 5% by weight of the sulfide compound (A). Halogen-containing resin compositions stabilized with the above stabilizer composition are also provided.
提供了稳定剂组合物以增强含卤素
树脂的耐热降解性,包括(A)一种四价
锡的
硫化物化合物,该化合物与
锡原子连接至少一个
硫化物基团,并通过碳1或2的烷氧羰基烷基基团连接,烷氧基团中含有1至8个碳原子,烷基基团中含有2至3个原子;以及(B)一种
锡巯基烷基
羧酸酯,该化合物通过
硫连接至
锡原子,具有2或3个巯基烷基
羧酸烷基酯基团,巯基烷基中含有1或2个碳原子,烷基酯基团中含有4至18个碳原子,并通过碳1或2的烷氧羰基烷基基团连接,烷氧基团中含有1至8个碳原子,烷基基团中含有2或3个碳原子。稳定剂组合物含有至少5%的
硫化物化合物(A)的重量。还提供了使用上述稳定剂组合物稳定的含卤素
树脂组合物。