STABILIZERS FOR VINYL CHLORIDE POLYMERS, BASED ON ORGANIC SULFUR COMPOUNDS OF ANTIMONY AND ORGANIC POLYPHOSPHITES

摘要

P STABILIZER COMPOSITIONS FOR VINYL CHLORIDE POLYMERS INCLUDE A COMBINATION OF A MERCAPTOACID ANTIMONY ESTER OR A MERCAPTIDE, AND A PHOSPHITE FORM ESTER; THESE COMPOSITIONS ARE EFFECTIVE IN STABILIZING VINYL CHLORIDE POLYMERS AGAINST COLOR DEGRADATION BY PROLONGED EXPOSURE TO HEAT OR ULTRAVIOLET RADIATION. /P