Polymer na-abụkarị na ọnọdụ anoxic n'okpuru ọnọdụ nhazi extrusion, na usoro nwere ọnụ ọgụgụ dị ukwuu nke carbon radicals karịa alkoxy radicals na hydroxyl radicals.Ya mere, ezigbo nhazi stabilizer kwesịrị inwe ike ijide carbon free radicals nke ọma.Hydroxylamine antioxidant nke a kpọtụrụ aha n'elu bụ ụdị ọnyà carbon radical.