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:碱催化PVA酯化交联膜的制备

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Date of Publication:2007-04-15

Journal:化学通报(印刷版)

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:70

Issue:4

Page Number:317-320

ISSN No.:0441-3776

Key Words:聚乙烯醇;氢氧化钠;草酸;酯化交联;乙醇-水混合物

Abstract:在氢氧化钠催化条件下,将聚乙烯醇(PVA)与草酸(OA)酯化交联,制得了一种新的PVA-OA均质膜并利用红外光谱表征了交联膜的化学结构.考察了均质膜的耐水性能和机械性能,发现随着交联度的增加,其耐水性和拉伸强度增强,而断裂伸长率下降.将PVA与聚偏氟乙烯(PVDF)制成PVA/PVDF蒸汽渗透膜复合膜,利用乙醇-水混合物考察了其分离性能,结果表明PVA理论交联度在6%~7%时,其综合性能较优.

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