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| 聚环氧氯丙烷／液晶复合富氧膜的研究 | |
| 引用本文： | 杨玉亭 吴和融. 聚环氧氯丙烷／液晶复合富氧膜的研究[J]. 医学教育探索, 1989, 0(3): 205-210 |
| 作者姓名： | 杨玉亭 吴和融 |
| 作者单位： | 华东化工学院高分子材料系(杨玉亭)，华东化工学院高分子材料系(吴和融) |
| 摘 要： | 研究了聚环氧氯丙烷(PECHCH)/N(4-乙氧基苄叉)4-丁基苯胺(EBBA)复合膜对氧气和氮气的透过性和选择性。用示差扫描量热计(DSC)、解偏振光强仪(DLI和偏光显微镜考察了复合膜的形态结构。结果表明,当PECH/EBBA复合膜处于液晶的向列相转变温度时,有较高的气体透过性和选择性。发现只有复合膜中EBBA含量在30wt％以上,PECH和EBBA呈非均相混合时,才有较明显的富氧效果。当EBBA含量达50wt%时,氧氮分离系数α=3.78。 |
| 关 键 词： | 聚环氧氯丙烷 液晶复合膜 富氧膜 |
A Study on Oxygen-Enrichment of PECH/Liquid Crystal Composite Membranes |
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| Yang Yuting,Wu Herong East China University of Chemical Technology,Shanghai. A Study on Oxygen-Enrichment of PECH/Liquid Crystal Composite Membranes[J]. Researches in Medical Education, 1989, 0(3): 205-210 | |
| Authors: | Yang Yuting Wu Herong East China University of Chemical Technology Shanghai |
| Abstract: | In this paper, we have studied on oxygen permeability and permselectivity of thepolyepichlorhydrin / EBBA composite membranes, the EBBA being a low molecularliquid crystal. The permeability coefficient P to gas revealed a distinct jump in the vicin-ity of |
| Keywords: | PECH/ liquid crystal composite membrane Oxygen-enrichment membrane Gas permeability coefficient |
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