沸石填充玻璃聚合物膜的制备

IF 2.8 3区化学 Q2 POLYMER SCIENCE

Journal of Applied Polymer Science Pub Date : 1994-10-24 DOI:10.1002/app.1994.070540401

J.-M. Duval, A. J. B. Kemperman, B. Folkers, M. H. V. Mulder, G. Desgrandchamps, C. A. Smolders

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引用次数: 173

摘要

研究了将微米级的沸石颗粒掺入聚合物基质中，以改善膜形式使用的聚合物材料的气体分离性能。当聚合物在室温下处于玻璃态时，聚合物相与颗粒外表面之间的粘附似乎是制备这种膜的主要问题。研究了改善内膜结构的各种方法，即对沸石外表面进行表面改性，制备高于玻璃化转变温度的沸石，以及热处理。通过扫描电镜观察得到了改进的结构，但对气体分离性能的影响与观察到的结构改进不一致。©1994 John Wiley &儿子,Inc。

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Preparation of zeolite filled glassy polymer membranes

The incorporation of zeolite particles in the micrometer range into polymeric matrices was investigated as a way to improve the gas separation properties of the polymer materials used in the form of membranes. The adhesion between the polymer phase and the external surface of the particles appeared to be a major problem in the preparation of such membranes when the polymer is in the glassy state at room temperature. Various methods were investigated to improve the internal membrane structure, that is, surface modification of the zeolite external surface, preparation above the glass-transition temperature, and heat treatment. Improved structures were obtained as observed by scanning electron microscopy, but the influence on the gas separation properties was not in agreement with the observed structural improvements. © 1994 John Wiley & Sons, Inc.

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来源期刊

Journal of Applied Polymer Science 化学-高分子科学

CiteScore

5.70

自引率

10.00%

发文量

1280

审稿时长

2.7 months

期刊介绍： The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.