Fabrication of porous polylactic acid films assisted by dip-coating and template leaching techniques

Ta I. Yang, Tai Lun Su, Po Liang Lin, I. Hsiang Tseng, Chih Hung Chang, Hsu Wei Fang

研究成果: 雜誌貢獻文章

10 引文 斯高帕斯(Scopus)

摘要

A new simple method was developed to fabricate porous polylactic acid (PLA) films coated directly on substrates. The PLA films with a controllable thickness were realized using a dip-coating technique. The pore structure of the resulting porous PLA films was tailored by utilizing phase inversion process and template leaching techniques. The experimental results show that the resulting PLA films became thicker when using the coating solution with a higher viscosity or applying a faster withdrawal speed. The porous structures (pore size and void density) of the resulting PLA films are significantly influenced by the polymer concentration, the nonsolvents, and the addition of poly(ethylene glycol) templates. The analyses of solubility parameters was utilized to explain the porous structures of the resulting PLA films in details.
原文英語
頁(從 - 到)2333-2339
頁數7
期刊Journal of Applied Polymer Science
124
發行號3
DOIs
出版狀態已發佈 - 五月 5 2012
對外發佈Yes

ASJC Scopus subject areas

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

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