可聚合离子液体AMPS-TEA的合成及其交联共聚物对有机溶剂的吸收行为

doi:10.3969/j.issn.1007-7162.2013.04.005

Journal of Guangdong University of Technology ›› 2013, Vol. 30 ›› Issue (4): 33-38.doi: 10.3969/j.issn.1007-7162.2013.04.005

• Doctoral Column • Previous Articles Next Articles

Synthesis of Polymerizable Ionic Liquid AMPS-TEA and Super Absorbency of Its Crosslinked Copolymer for Organic Liquids

Weng Ting-ting^1,2, Guo Jian-wei¹, Li Xin-ming³, Cui Ying-de³, Yin Guo-qiang³, Zhang Bu-ning³

1. School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China; 2. Department of Chemistry and Chemical Engineering, Guangdong Petroleum and Polytechnic College, Foshan 528225, China; 3. School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China

Received:2013-07-05 Online:2013-12-30 Published:2013-12-30

Abstract

Abstract: AMPS-TEA polymerizable ionic liquid was synthesized by neutralization of 2-acrylamido-2-methylpropane sulfonic acid (AMPS) with triethylamine (TEA) in acetone followed by evaporation of the solvent; DSC, FT-IR and ¹H-NMR were used to characterize the ionic liquid; by using N,N′-methylenebisacrylamide (NMBA) as a crosslinker, and ammonium persulfate (APS) as an initiator, poly(AMPS-TEA-co-AAm) gels were synthesized by aqueous copolymerization of AMPS-TEA and acrylamide (AAm), the super absorbency for water and a variety of organic solvents of the gels was investigated as well. The results show that when the glass transition temperature of AMPSTEA is59.4 ℃, poly(AMPS-TEA-co-AAm) gels show super absorbency for both water (218 g/g) and a variety of organic solvents such as DMSO (68 g/g), methanol, ethanol, and so on. It is suggested that the reason for super absorbency for organic liquids is dissociation of the ion pair of the ionic liquid irrespective of the liquid environment.

Key words: ionic liquid; 2-acrylamido-2-methylpropane sulfonic acid; triethylamine; acrylamide; super absorbency

WENG Ting-Ting, GUO Jian-Wei, LI Xin-Ming, CUI Ying-De, YIN Guo-Qiang, ZHANG Bu-Ning. Synthesis of Polymerizable Ionic Liquid AMPS-TEA and Super Absorbency of Its Crosslinked Copolymer for Organic Liquids[J].Journal of Guangdong University of Technology, 2013, 30(4): 33-38.