Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Diffusion Behavior of Organic Solvent in Polyethylene Terephthalate Film(I)

PET 필름중의 유기용매 확산(I)

  • 이영목 (부천전문대학 섬유과) ;
  • 임승순 (한양대학교 공과대학 섬유공학과)
  • Published : 1995.07.01

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Abstract

The diffusion behavior of methanol in PET films is investigated, which has been simply regarded as an apparent-Fickian behavior so far. Using the Kelly-Buche equation and adopting the classification scheme of Alfiey and Vrentas, the diffusion of methanol can be classified as the concentration dependent Fickian behavior above the 79 while the concentration independent Fickian behavior is observed below the Tg. The crystallization behavior is found to be strongly dependent on the solvent quality and diffusion process. It is so slow in methanol that it starts only after the solvent diffusion reaches the saturation limit.

Keywords

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