Abstract Polymer composite films with straight pores with nano-sized pores were prepared by the water-pressure method. Cellulose acetate was selected as a polymeric support because of accessibility, inexpensive and good thermal stability. For low cost processes, relatively inexpensive metal salt CaCl2 was used as an additive. Added CaCl2 increased the flexibility of the polymer chain. Due to this plasticization, it had been found that when the film was exposed to water pressure, the pore size could be easily adjusted by pressure. In addition, the thermal and mechanical stability of the film was improved by Ca remaining after crosslinking with the polymer chain after water treatment. These pores were confirmed by scanning electron microscopy (SEM) and mercury absorption method. And the interaction between polymer and CaCl2 was confirmed by FT-IR and TGA analysis.

中文翻译：

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开发利用钙盐在醋酸纤维素中生成孔隙的低成本工艺

摘要 采用水压法制备了纳米级直孔聚合物复合薄膜。选择醋酸纤维素作为聚合物载体，因为它具有可及性、廉价和良好的热稳定性。对于低成本工艺，使用相对便宜的金属盐 CaCl2 作为添加剂。添加的 CaCl2 增加了聚合物链的柔韧性。由于这种塑化，已经发现当膜暴露于水压时，可以通过压力容易地调节孔径。此外，通过水处理后与聚合物链交联后残留的钙，提高了薄膜的热稳定性和机械稳定性。这些孔隙通过扫描电子显微镜 (SEM) 和汞吸收法得到证实。