The invention relates to a method for preparing a polycarbonate, by mixing a compound having the structure I:
and a basic catalyst, and heating the mixture to produce the polycarbonate. The invention also relates to poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate) with an inherent viscosity of at least 0.7 dL/g. The invention also relates to an article made from the polycarbonate and a blend containing poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate).
本发明涉及一种制备聚
碳酸酯的方法,该方法是将具有 I. 结构的化合物与碱性
催化剂混合,然后加热混合物,制得聚
碳酸酯:
和碱性
催化剂混合,并加热混合物以生产聚
碳酸酯的方法。本发明还涉及固有粘度至少为 0.7 dL/g 的聚(2,
2,4,4-四
甲基-1,3-
环丁烯碳酸酯)。本发明还涉及一种由聚
碳酸酯和含有聚(2,
2,4,4-四
甲基-1,3-
环丁烯碳酸酯)的混合物制成的物品。