Ordered porous films based on fluorinated polyimide derived from 2,2′-bis(3,4-dicarboxyphenyl) hexafluoropropane dianhydride and 3,3′-dimethyl-4,4′-diaminodiphenylmethane

被引：16
|
作者：
Han, Xutong
Tian, Ye
Wang, Lihua [1 ]
Xiao, Changfa
Liu, Biqian
机构：
[1] Chinese Acad Sci, Ctr Mol Sci, Beijing 100080, Peoples R China
[2] Tianjin Polytech Univ, Tianjin Municipal Key Lab Fiber Modificat & Funct, Tianjin 300160, Peoples R China
来源：
EUROPEAN POLYMER JOURNAL | 2007年 / 43卷 / 10期
关键词：
ordered porous films; fluorinated polyimide; highly humid atmosphere; synthesize;
D O I：
10.1016/j.eurpolymj.2007.06.043
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
One of fluorinated polyimides was synthesized from 2,2'-bis(3,4-dicarboxyphenyl) hexafluoropropane dianhydride (6FDA) and 3,3'-dimethyl-4,4'-diaminodiphenylmethane (DMMDA) by two-steps method, which had good solubility and hydrophilicity. 6FDA-DMMDA polyimide was dissolved in chloroform (CHCl3) and cast on a glass substrate in a humid atmosphere. It was found that 6FDA-DMMDA/CHCl3 solution was easy to form ordered porous structure at high concentration. and the reason was discussed in detail. In addition, the influences of solution concentration, the atmosphere humidity, were also tested. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4382 / 4388
页数：7
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