화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.94, 419-424, February, 2021
DOI10.1016/j.jiec.2020.11.014  Export Citation
Development of low-cost process for pore generation in cellulose acetate by utilizing calcium salts
Hwa Jin Lee1, Younghyun Cho2, †, and Sang Wook Kang1, 3, †
  • 1Department of Chemistry, Sangmyung University, Seoul 03016, Republic of Korea
  • 2Department of Energy Systems Engineering, Soonchunhyang University, Asan, 31538, Republic of Korea
  • 3Department of Chemistry and Energy Engineering, Sangmyung University, Seoul 03016, Republic of Korea
E-mail:,
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.
Keywords:Porous materials;Calcium salts;Cellulose;Water-pressure
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