PERMEABILITIES OF POLYIMIDE MEMBRANE BASED ON 1,2,3,4 CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE (CPDA) FOR CARBON DIOXIDE AND METHANE

ZHANG Junyan; PAN Guangming

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PERMEABILITIES OF POLYIMIDE MEMBRANE BASED ON 1,2,3,4 CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE (CPDA) FOR CARBON DIOXIDE AND METHANE

Research Bulletin | 更新时间：2021-03-19

- PERMEABILITIES OF POLYIMIDE MEMBRANE BASED ON 1,2,3,4 CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE (CPDA) FOR CARBON DIOXIDE AND METHANE
- Acta Polymerica Sinica Issue 1, Pages: 102-113(1997)
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- Published：20 February 1997，
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ZHANG Junyan, PAN Guangming. PERMEABILITIES OF POLYIMIDE MEMBRANE BASED ON 1,2,3,4 CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE (CPDA) FOR CARBON DIOXIDE AND METHANE. [J]. Acta Polymerica Sinica (1):102-113(1997)
DOI：

ZHANG Junyan, PAN Guangming. PERMEABILITIES OF POLYIMIDE MEMBRANE BASED ON 1,2,3,4 CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE (CPDA) FOR CARBON DIOXIDE AND METHANE. [J]. Acta Polymerica Sinica (1):102-113(1997) DOI：

摘要

四羧酸环戊烷型聚酰亚胺膜对ＣＯ２和ＣＨ４的透过性张俊彦潘光明（中国科学院兰州化学物理研究所兰州７３００００）关键词环戊烷四羧酸

聚酰亚胺

气体分离

膜理想的气体分离膜材料应具有高的透气性和良好的透气选择性

耐高低温

耐化学介质和良好的机械强度及膜加工性能．由于聚酰亚胺具有良好的耐高、低温性

耐化学试剂及机械性能

又兼有对气体的高透过性与选择性．因此被视为气体分离膜的一类很有前景的材料

但目?...

Abstract

A new class of aliphatic polyimide based on dianhydrides from dicyclic 1

4 cyclopentanetetracarboxylic dianhydride (CPDA) were prepared.Their glass transition temperature ( T g )

gas permeability and solubility were measured

and the relationship between permeability and chain flexibility were discussed.The data of the permeability coefficients of five different polyimide membrones based on CPDA are related to the value of its free volume.The order of the permselectivity coefficients of polyimides is contrary to the order of the volume of its glass transition temperature.

关键词

环戊烷四羧酸聚酰亚胺气体分离膜

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