Dip Coating Assisted Polylactic Acid Deposition on Steel Surface: Film Thickness Affected by Drag Force and Gravity

P. L. Lin, T. L. Su, H. W. Fang, J. S. Chang, W. C. Chang

研究成果: 書貢獻/報告類型會議貢獻

摘要

Dip coating process has the potential of providing an easier and economical way to form a polylactic acid (PLA) layer on metal surface for various applications. The effects of dip coating operating parameters such as the withdrawal velocity, concentration, and viscosity of the solution on the film thickness were investigated in this study. Our experimental results show that the increase of withdrawal velocity leads to the increase of PLA film thickness at the relatively low withdrawal velocity regime. However, at the relatively high withdrawal velocity regime of the dip coating process, it was observed that the PLA layer thickness starts to decrease with increasing withdrawal velocity. It is suggested that the competition of drag force and gravity during the dip-coating process dominates PLA film formation. A mechanism was proposed to explain this special behavior which was never observed in the dip coating process.
原文英語
主出版物標題13th International Conference on Biomedical Engineering, ICBME 2008
頁面1341-1343
頁數3
DOIs
出版狀態已發佈 - 十二月 1 2009
對外發佈
事件13th International Conference on Biomedical Engineering, ICBME 2008 - , 新加坡
持續時間: 十二月 3 2008十二月 6 2008

出版系列

名字IFMBE Proceedings
發行者Springer Verlag
ISSN(列印)1680-0737

其他

其他13th International Conference on Biomedical Engineering, ICBME 2008
國家/地區新加坡
期間12/3/0812/6/08

ASJC Scopus subject areas

  • 生物工程
  • 生物醫學工程

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