Surface enrichment of the solution-cast poly(methyl methacrylate)/poly(vinyl acetate) blends

Won Ki Lee, Won Jei Cho, Chang Sik Ha, Atsushi Takahara, Tisato Kajiyama

研究成果: Contribution to journalArticle査読

39 被引用数 (Scopus)

抄録

The surface enrichment of blend films of poly(methyl methacrylate) (PMMA) and poly(vinyl acetate) (PVAc) cast from various solvents has been investigated by contact angle, X-ray photoelectron spectroscopic and attenuated total reflection Fourier transform infra-red spectroscopic measurements. The composition of each component was fixed at 50 wt%. The surfaces of miscible PMMA/PVAc blend films are found to be enriched in PVAc regardless of casting solvents. It was found that the surface enrichment of PVAc in the PMMA/PVAc blend is reduced when the as-cast blend film shows phase separation or when the phase-mixed blend is heated above the lower critical solution temperature and exhibits thermally induced phase separation.

本文言語英語
ページ(範囲)1229-1234
ページ数6
ジャーナルpolymer
36
6
DOI
出版ステータス出版済み - 3 1995

All Science Journal Classification (ASJC) codes

  • 有機化学
  • ポリマーおよびプラスチック
  • 材料化学

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