Synthesis and characterization of poly(ionic liquid)-grafted silica hybrid materials through surface radical chain-transfer polymerization and aqueous anion-exchange

被引：39
|
作者：
Qiu, Hongdeng [1 ,2 ]
Sawada, Tsuyoshi [1 ]
Jiang, Shengxiang [2 ]
Ihara, Hirotaka [1 ]
机构：
[1] Kumamoto Univ, Dept Appl Chem & Biochem, Kumamoto 8608555, Japan
[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China
来源：
MATERIALS LETTERS | 2010年 / 64卷 / 14期
基金：
日本学术振兴会; 中国国家自然科学基金;
关键词：
Inorganic-polymer hybrid; Polymers; Surfaces; Ionic liquids; Silica; IONIC LIQUID; COPOLYMERS; PHASE;
D O I：
10.1016/j.matlet.2010.04.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Poly(ionic liquid)-grafted silica materials were firstly synthesized by polymerization of 1-vinyl-3-butylimidazolium bromide as a new ionic liquid monomer on mercaptopropylated silica by surface radical chain-transfer polymerization. The bromide counterion was exchanged with three other inorganic anions including tetrafluoroborate, hexafluorophosphate, and trifuoromethanesulfonate through simple aqueous anion-exchange reaction. The obtained poly(ionic liquid)-grafted silica materials were characterized by elemental analysis, infrared spectra, thermogravimetric analysis, and X-ray fluorescence. The wettabilities of the materials with different counterions were verified by static water contact angle measurement. This kind of new materials may have some potential in applied fields such as used as a catalyst, an extractant, a chromatographic stationary phase, etc. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1653 / 1655
页数：3
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