A Novel Method to Control the Elution Behavior of PVA Cast Gels

Saori Sasaki, Atsushi Suzuki

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

Poly(vinyl alcohol) (PVA) gels, prepared by a cast-drying method, show excellent swelling and mechanical properties. However, the elution of polymers from such gels is one of the major hindrances for practical applications. In this study, PVA cast gels were prepared from a PVA powder, with a high degree of polymerization and hydrolysis, under different temperatures and humidities. The swelling ratio, elution ratio, crystallinity, and microcrystallite size were evaluated, and these were compared with each other. The lowest elution rate (<1%) was obtained under conditions of high drying temperature and high humidity. This indicates that polymer elution can be suppressed by controlling the size, number, and distribution of the microcrystallites.

本文言語英語
ページ(範囲)170-175
ページ数6
ジャーナルMacromolecular Symposia
358
1
DOI
出版ステータス出版済み - 12 1 2015
外部発表はい

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 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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