Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic tin compound or mixture of organic tin compounds, (2) an organic compound having an aromatic ring which is substituted with a hydroxyl (-OH) group and a mercapto (-SH) group ortho to each other, and, optionally, (3) an organotin mercaptide or mixture of organotin mercaptides. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.
本发明提供了可有效稳定聚合物以防止受热变质的组合物,该组合物包含:(1)
有机锡化合物或
有机锡化合物混合物;(2) 具有被羟基(-OH)和巯基(-SH)相互正交取代的芳香环的有机化合物;以及 (3)
有机锡巯化物或
有机锡巯化物混合物。此外,还提供了含有所述稳定剂的聚合物组合物和由所述稳定化聚合物组合物制成的制成品。