Structure of the Highyl Elastic and High Water-Content Hydrogels Obtained from Poly(vinyl alcohol)/Poly(sodium L-glutamate)/Water System.

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  • ポリビニルアルコールとポリグルタミン酸ナトリウムとの水溶液より形成された高弾性・高含水ブレンドゲルの構造
  • ポリビニルアルコール ト ポリ グルタミンサン ナトリウム ト ノ スイヨウセ

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Description

Highly elastic and high water-content hydrogels were prepared from coagulation obtained by blending of concentrated aqueous solutiopns of poly (vinyl alcohol) (PVA) and poly (sodium L-glutamate) (PSLG) in an autoclave under 2 atm pressure at 120°C, and dehydration of the resulting coagulate followed by swelling. The elastic moduli of the hydrogels increase with increasing PSLG content and are higher than those of the hydrogels obtained by repeated freezing and thawing. This is primarily due to formation of rigid segments by the interaction of PVA chains with PSLG chains and formation of the bound water.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 48 (8), 517-523, 1991

    The Society of Polymer Science, Japan

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