Zwitterionic Polymer-Grafted Superhydrophilic and Superoleophobic Silk Fabrics for Anti-Oil Applications

被引：36

作者：

Cheng, Yan ^{[1
,2
]}

Wang, Jilei ^{[2
]}

Li, Minglun ^{[2
]}

Fu, Fanfan ^{[2
]}

Zhao, Yan ^{[1
]}

Yu, Jing ^{[2
]}

机构：

[1] Soochow Univ, Coll Text & Clothing Engn, Suzhou 215123, Peoples R China

[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2020年 / 41卷 / 21期

基金：

新加坡国家研究基金会; 中国国家自然科学基金;

关键词：

anti-oil; poly(sulfobetaine methacrylate); silk fabrics; superhydrophilicity; zwitterionic polymers; OIL/WATER SEPARATION; TRANSPORT-PROPERTIES; PVDF MEMBRANES; WATER; POLYELECTROLYTE; SURFACES; ARCHITECTURE; WETTABILITY; HYDROGEL; BEHAVIOR;

D O I：

10.1002/marc.202000162

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A highly anti-oil fabric membrane is synthesized by surface grafting of zwitterionic poly(sulfobetaine methacrylate) (PSBMA) onto the fabric surface. The fabric membrane is first enzymatically modified to create more reactive amine groups on the surface. A surface-initiated atom transfer radical polymerization (SI-ATRP) reaction is then performed to modify the fabric membrane surface with a dense PSBMA brush layer. Surface characterization indicates that the brush-grafted fabric membrane exhibits increased surface roughness and improved superhydrophilicity. The PSBMA-modified silk fabrics show a very large contact angle for oil droplets in water, and have excellent oil resistance in air and in water-oil mixtures.

引用

页数：6

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