Polymers and Environment I. Enzymatic Degradations of Polyamides Containing L-Lysine.

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  • ポリマーと環境　Ｉ　Ｌ‐リジンを含むポリアミドの合成とその酵素分解性
  • L リジン オ フクム ポリアミド ノ ゴウセイ ト ソノ コウソ ブンカイセ

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Abstract

Poly (L-lysine-sebacic acid) (PLS) and poly (L-lysine-terephtalic acid) (PLP) were synthesized by the low temperature polycondensations of sebacoyl chloride or terephthaloyl chloride with N, N'-bis (trimethylyl) -L-lysine-ethyl ester (TMSL), respectiveiy. Hydrolytic and enzymatic degradation of PLS and PLP films were investigated by the determination of the weight loss, mechanical properties of their films, and SEM. The rate of enzymatic degradations of PLS films were found to be much higher than those of its hydrolytic degradation. However, tke rate of enzymatic degradation of PLP films was the same as that of its hydrolytic degradation, and lower than that of PLS films. These results indicate that the aliphatic polyamide containing L-lysine is a biodegradable polymer.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 50 (10), 793-796, 1993

    The Society of Polymer Science, Japan

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