STABILISED, CHLORINE-CONTAINING POLYMER COMPOSITIONS

摘要

A-19120/A/CGM 419 Stabilised, chlorine-containing polymer compositions Compositions comprising a chlorine-containing polymer and a stabiliser mixture comprising: a) at least one tin alcoholate or tin carboxylate of the formula ¢(R2)2Sn(OR')!2O (Ia); ¢(R2)Sn(OR')2!20 (Ib); (R2)Sn(OR')O (Ic); ¢-(R2)Sn(OR')O-!m (Id); ¢(RlCO2)Sn(R2)2!2O (IIa); or ¢-(R2)2Sn-O2C-R3-CO2-{(R2)2SnO}?!n (IIb); b) at least one organic zinc carboxylate, zinc phenoxide or a tin chloride of the formula ¢(RlCO2)x(R2)yCL2Sn!aOa-l (III) and c) at least one thiophosphate or thiophosphite of the formula (R6S)3P=Xb (IV) where the individual radicals are as defined in claim 1.