Thermoplastic polymer exhibiting improved heat resistance comprised of the polymerized reaction products of (i) a carbonate precursor, and (ii) at least one dihydric phenol represented by the general formula
wherein:
R is independently selected from alkyl radicals; R, is independently selected from monovalent hydrocarbon radicals;
X is selected from cycloalkylidene radicals containing from 8 to about 16 ring carbon atoms;
each n is two; and
m represents a whole number having a value of from 0 up to the number of replaceable hydrogen atoms present on X.
具有更好耐热性的热塑性聚合物,由以下物质的聚合反应产物组成:(i)
碳酸酯前体;(ii) 至少一种由通式表示的二
水酚 其中:R 独立地选自烷基;R,独立地选自单价烃基;X 选自含有 8 至约 16 个环碳原子的环亚烷基;每个 n 为两个;m 代表一个整数,其值从 0 到 X 上存在的可置换氢原子数。