Fabrication of pore-selective carboxyl group functionalized polyimide honeycomb-patterned porous films using KOH humidity

被引：18

作者：

Cao, Thuy Thi ^{[1
]}

Male, Umashankar ^{[1
]}

Huh, Do Sung ^{[1
]}

机构：

[1] Inje Univ, Ctr Nano Mfg, Dept Chem & Nano Sci & Engn, Gimhae 621749, Kyungnam, South Korea

来源：

POLYMER | 2018年 / 153卷

基金：

新加坡国家研究基金会;

关键词：

Honeycomb-patterned film; Carboxyl functionalization; Interfacial reaction; Breath figure method; Polyimide; BREATH FIGURE METHOD; INTERFACIAL POLYMERIZATION; PHASE-SEPARATION; SCAFFOLDS; SURFACE; MEMBRANES; PROTEINS; ADHESION; DESIGN; TISSUE;

D O I：

10.1016/j.polymer.2018.08.006

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Carboxyl group functionalization in honeycomb-patterned porous (HCP) films was obtained by breath figure process using polyimide (PI) which can react with KOH humidity at the polymer solution/aqueous alkali droplet interface to form carboxyl groups. PI containing CO-NR2 imide ring group reacts with KOH for imide ring-cleavage reaction by interfacial reaction. In order to obtain pore-selective carboxyl group functionalized PI HCP films, we have suggested a new strategy introducing KOH humidity with time interval after using initial water humidity during breath figuring process. The carboxyl group functionalized pores can be applied to obtain ordered microarray of biological and inorganic materials, which have potential applications in biosensors, separations, medical biology, etc.

引用

页码：86 / 94

页数：9

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