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钱志勇

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期刊论文

Hydrolytic degradation behavior of biodegradable polyetheresteramide-based polyurethane copolymers

钱志勇CaiBing Liu YingChun Gu ZhiYong Qian LinYu Fan Jun Li GuoTao Chao MingJing Tu WenJuan Jia

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摘要/描述

In this article, a new kind of biodegradable polyetheresteramide-based polyurethane (PEEA-U) copolymers were prepared by the melt polycondensation method from -caprolactone, 6-aminocaproic acid, poly(ethylene glycol), and toluene diisocyanate. The water absorption of PEEA-U was affected strongly by the reaction time and the content of chain extender; and the hydrolytic degradation behavior of the copolymers was mainly determined by the reaction time, chain extender content, and the pH value of the degradation medium. Also, DSC, 1H-NMR, and inherent viscosity were used to characterize the degradation behavior of the copolymers.

版权说明:以下全部内容由钱志勇上传于   2006年10月31日 01时10分58秒,版权归本人所有。

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