Polymer stabilising compositions, polymers stabilised therewith, a process for stabilising polymers and shaped articles formed from such stabilised polymers

摘要

Compositions which are effective in stabiiizing polymers against the deteriorative effects of heat are provided comprising 1) a hydroxythio tin compound or mixture of hydroxythio tin compounds, 2) a mercaptan-containing organic compound or mixture of mercaptan-containing organic compounds, and, optionally, 3) an organotin compound or mixture of organotin compounds. Also provided are polymer compositions containing said stabiiizers, a process for stabilizing polymers, and articles of manufacture made from stabilized polymer compositions.