There are kinds of polycarbonate (PC), it is worth a kind of engineering materials for bisphenol A-polycarbonate , its main shortcoming are crazed easily, high molten body viscidity and difficult forming process characteristic ,so many kinds of modified m
There are kinds of polycarbonate (PC), it is worth a kind of engineering materials for bisphenol A-polycarbonate , its main shortcoming are crazed easily, high molten body viscidity and difficult forming process characteristic ,so many kinds of modified m
摘要聚碳酸酯品种较多，作为工程材料最有价值的是双酚A型聚碳酸酯，其主要缺点是易开裂，熔体粘度高，成型加工较困难，为此进行了各种改性方法。