Organic values are salvaged from scrap polycarbonate by heating in the presence of an acid catalyst and a C1-4 alkyl phenol such as m- or p-cresol. Among the compounds which can be salvaged are polyalkylated xanthenes, phenol and diaryl carbonate.
在酸催化剂和 C1-4 烷基
酚(如
间甲酚或
对甲酚)的作用下加热,可从废聚
碳酸酯中回收有机值。可回收的化合物包括聚烷基化的呫吨、
苯酚和
碳酸二芳基酯。