Homogeneous storage-stable liquid stabilizer systems for polyvinyl chloride resins are provided which are substantially soivent-free and have a low viscosity and a minimum flash point of 96°C, containing, as the essential ingredients, a liquid barium carbonate-barium alkyl phenate; a cadmium salt of a branched chain aliphatic carboxylic acid having from about five to about thirteen carbon atoms, and/or of an aromatic carboxylic acid having from about seven to about eleven carbon atoms, and/or of an unsaturated aliphatic carboxylic acid having from about twelve to about twenty-two carbons; and a liquid organic triphosphite in an amount to form a homogeneous storage-stable liquid; the total weight percent of barium and cadmium in the stabilizer system being at least 13%, and the ratio of the weight percent of cadmium to the weight percent of barium being within the range from about 0.5:1 to about 1.5:1; optionally together with any one or more of a soluble zinc salt of a carboxylic acid, a soluble phenolic antioxidant, a liquid organic acid phosphite, and a soluble carboxylic acid.
本发明提供了用于聚
氯乙烯树脂的贮存稳定的均相液体稳定剂体系,该体系基本上不含溶剂,具有低粘度,最低闪点为96°C,其基本成分包括液体
碳酸钡-烷基
酚钡;具有约 5 至约 13 个碳原子的支链脂肪族
羧酸的
镉盐,和/或具有约 7 至约 11 个碳原子的芳香族
羧酸的
镉盐,和/或具有约 12 至约 22 个碳原子的不饱和脂肪族
羧酸的
镉盐;和液态有机三
亚磷酸,其用量可形成均匀的储存稳定液体;稳定剂体系中
钡和
镉的总重量百分比至少为 13%,
镉的重量百分比与
钡的重量百分比之比范围在约 0.5:1至约1.5:1的范围内;可选择与
羧酸的可溶性
锌盐、可溶性
酚类抗氧化剂、液态有机
亚磷酸酯和可溶性
羧酸中的任意一种或多种一起使用。