| 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(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 |
| |
| 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(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 |
|
| 点击此处可从《医学教育探索》浏览原始摘要信息 |
|
点击此处可从《医学教育探索》下载全文 |
