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首页> 外文期刊>Journal of Applied Polymer Science >Gas permeation studies of natural rubber and carboxylated styrene-butadiene rubber latex membranes
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Gas permeation studies of natural rubber and carboxylated styrene-butadiene rubber latex membranes

机译：天然橡胶和羧化丁苯橡胶胶乳膜的气体渗透研究

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摘要

Predicting the permeability of natural rubber (NR), carboxylated styrene-butadiene rubber (XSBR), and NR/XSBR latex membranes has been investigated with special reference to the effects of the blend ratio, the pressure, and the nature of the permeants with oxygen and nitrogen gases. These blend membranes are a new class of materials that combine the excellent mechanical properties of NR and the weather and solvent resistance of XSBR. NR shows higher permeability than XSBR latex films. This is associated with the high extent of the flexibility of the NR network due to its very low cohesive forces of interactions. The experimentally determined permeability values have been theoretically correlated with the Maxwell, Bruggeman, and Bottcher models. The oxygen-to-nitrogen selectivity decreases with an increase in the XSBR content in the blend. Attempts have been made to correlate the transport characteristics with the morphology of the blend. (c) 2005 Wiley Periodicals, Inc.
机译：研究了预测天然橡胶（NR），羧化丁苯橡胶（XSBR）和NR / XSBR乳胶膜的渗透性的方法，并特别参考了混合比，压力和渗透剂与氧气的性质的影响和氮气。这些混合膜是一类新型材料，结合了NR的优异机械性能以及XSBR的耐候性和耐溶剂性。 NR显示出比XSBR乳胶膜更高的渗透性。由于其非常低的相互作用内聚力，这与NR网络的高度灵活性有关。实验确定的渗透率值已在理论上与Maxwell，Bruggeman和Bottcher模型相关。氧-氮选择性随共混物中XSBR含量的增加而降低。已经尝试使运输特性与共混物的形态相关。 （c）2005年Wiley Periodicals，Inc.

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