He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:PAN/CA共混复合膜的气体分离与力学性能

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Date of Publication:2011-07-15

Journal:高分子材料科学与工程

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:27

Issue:7

Page Number:95-97,102

ISSN No.:1000-7555

Key Words:聚丙烯腈;乙酸纤维素;共混;气体膜分离;力学强度

Abstract:聚丙烯腈(PAN)具有较高的气体渗透性,但拉伸强度低,不适宜直接制膜。为达到气体分离膜在力学强度方面的使用要求,利用PAN与乙酸纤维素(CA)共混改善其拉伸性能。结果表明,采用相转化法制备的PAN/CA共混基膜,随着CA与PAN共混比的增加,拉伸强度有明显的上升趋势,由1.74MPa增加到2.08MPa。当共混比为0.10时,在此基膜上涂覆质量分数为8%的硅橡胶制得的复合膜,氧氮选择性可达到2.08,氧气透量为100.5GPU(1GPU=10-6cm3(STP)/cm2.s.cmHg)。

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