Polivinil klorür'ün ayiklaniminda degerli maddelerin kazanilmasina mahsus usul.
摘要
Heating of polyvinyl chloride, in particular plasticised polyvinyl chloride, to a temperature of from 250 to 500 DEG C in the absence of oxygen gives a low-chlorine, carbon-containing residue, plasticiser and hydrogen chloride. <IMAGE>