ＢＯＰＰ／ＰＥ无粘合剂复合膜工艺探讨张晓伟，周建肇我国软塑包装材料中，用得最为广泛的复合薄膜是干式复合膜。虽然干式复合膜具有较多的优点，但其生产成本比较高。因为需要较多量的聚氨酯胶，而这种胶的价格较贵。在国外，尤其是在日本，干式复合膜仅占１２％，而挤... BOPP / PE binderless composite membrane technology Zhang Xiaowei, Zhou Jian Zhao China’s soft plastic packaging materials, the most widely used composite film is a dry composite membrane. Although dry composite membrane has many advantages, but its production cost is relatively high. Because of the need for more amount of polyurethane glue, which is more expensive plastic. In foreign countries, especially in Japan, dry composite film only accounted for 12%, and squeeze ...