Bis(sulfonamides) containing one or more hindered phenol groups are disclosed, as is their use as thermal stabilizers for polymers. Further stabilization results from combinations thereof with a thiodipropionate ester and a divalent metal salt of a carboxylic acid.
                            公开了含有一个或多个受阻
酚基的双磺酰胺,以及它们作为聚合物热稳定剂的用途。将它们与
硫代二丙酸酯和
羧酸的二价
金属盐结合使用,可进一步稳定聚合物。