An underwater pH-responsive superoleophobic surface with reversibly switchable oil-adhesion

被引：94

作者：

Cheng, Qunfeng ^{[2
]}

Li, Mingzhu ^{[1
]}

Yang, Fu ^{[3
]}

Liu, Mingjie ^{[1
]}

Li, Lin ^{[3
]}

Wang, Shutao ^{[1
]}

Jiang, Lei ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Chem, BNLMS, Key Lab Organ Solids,Lab New Mat, Beijing 100190, Peoples R China

[2] BeiHang Univ, Sch Chem & Environm, Minist Educ, Key Lab Bioinspired Smart Interfacial Sci & Tec, Beijing 100191, Peoples R China

[3] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China

来源：

SOFT MATTER | 2012年 / 8卷 / 25期

基金：

中国国家自然科学基金;

关键词：

POLY(ACRYLIC ACID); SUPERHYDROPHILICITY; SUPERHYDROPHOBICITY; POLYMERS; SMART;

D O I：

10.1039/c2sm25421b

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

An underwater pH-responsive superoleophobic surface successfully demonstrated a reversible switch of oil-adhesion on a nanostructured poly(acrylic acid) (PAA) surface by changing the environmental pH values. At low pH, intramolecular hydrogen bonding of PAA is formed, and results in high oil-adhesion. As for high pH, the oil droplets can easily roll off due to the intermolecular hydrogen bonding between PAA and surrounding water.

引用

页码：6740 / 6743

页数：4

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