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首页> 外文期刊>Journal of Applied Polymer Science >Mechanical property and swelling behavior of semi-interpenetrating polymer networks based on polyvinyl alcohol and polyurethane
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Mechanical property and swelling behavior of semi-interpenetrating polymer networks based on polyvinyl alcohol and polyurethane

机译：基于聚乙烯醇和聚氨酯的半互穿聚合物网络的力学性能和溶胀行为

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摘要

We have studied the mechanical property and swelling behavior of semiinterpenetrating polymer networks (semi-IPNs) of poly(vinyl alcohol) (PVA) and polyurethane (PU) with reactive groups under different experimental conditions. Tensile strength and elongation of these semi-IPNs are strongly dependent on the composition of IPNs and degree of PU crosslinking. It is clear that the composition of PVA and PU forms different IPNs morphology, which would determine the final mechanical property. The experimental results also demonstrate that the degree of crosslinking, which is controlled by heat treating temperature time, and amount of reactive groups, affects the swelling behavior of IPNs. With a change in the degree of crosslinking, the degree of swelling of IPNs is also different. (C) 1998 John Wiley & Sons, Inc. [References: 10]
机译：我们研究了在不同的实验条件下，具有反应性基团的聚乙烯醇（PVA）和聚氨酯（PU）的半互穿聚合物网络（semi-IPNs）的力学性能和溶胀行为。这些半IPN的拉伸强度和伸长率在很大程度上取决于IPN的组成和PU交联度。显然，PVA和PU的组成形成不同的IPN形态，这将决定最终的机械性能。实验结果还表明，交联度受热处理温度时间和反应性基团数量的控制，会影响IPN的溶胀行为。随着交联度的变化，IPN的溶胀度也不同。 （C）1998 John Wiley＆Sons，Inc. [参考：10]

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