文献类型：期刊文献

英文题名：Preparation of sub-micrometer porous membrane from chitosan/polyethylene glycol semi-IPN

作者：Zeng, Minfeng[1,2]; Fang, Zhengping[1]

机构：[1]Zhejiang Univ, Inst Polymer Composites, Hangzhou 310027, Peoples R China;[2]Shaoxing Univ, Inst Appl Chem, Shaoxing 312000, Peoples R China

年份：2004

卷号：245

期号：1-2

起止页码：95

外文期刊名：JOURNAL OF MEMBRANE SCIENCE

收录：SCI-EXPANDED(收录号：WOS:000225232600009)、、EI(收录号：2004468458607)、Scopus(收录号：2-s2.0-7244257800)、WOS

基金：This work is supported by the Natural Science Foundation of Zhejiang Province, China (Project no. 500041) and is gratefully acknowledged.

语种：英文

外文关键词：chitosan; polyethylene glycol; membrane-porous; semi-IPN

外文摘要：Crosslinked chitosan (CS) membrane with sub-micrometer porous structure was prepared by extraction of polyethylene glycol (PEG) from CS/PEG semi-IPN membrane. The content of PEG and the crosslinking agent has significant effects on the pore structure, swellability, and mechanical properties of the membranes. The membrane is pH sensitive, exhibiting reversibility and rapid response in swelling to pH changes. The swelling ratio oscillated between ca. 120 and 220 when pH was varied between 3.2 and 11. It also has good mechanical strength both in dry and swollen state. Thus, it was expected as potential candidate for biomedical use as environmental pH condition altered. (C) 2004 Elsevier B.V. All rights reserved.