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Synthesis of the polymerizable room temperature ionic liquid AMPS – TEA and superabsorbency for organic liquids of its copolymeric gels with acrylamide

Tingting Weng, Jianwei Guo, Xinming Li, Yingde Cui, Xuejiao Yang, Kun Zhang, Buning Zhang, Guoqiang Yin, Sergey V. Mikhalovsky, Lyuba I. Mikhalovska, Irina N. Savina, Carol A. Howel (+1 others)
2013 Designed Monomers and Polymers  

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A polymerizable room temperature ionic liquid (RTIL), 2-acrylamido-2-methyl-1-propane sulfonic acid (AMPS)triethylamine (TEA), was synthesized by neutralization of AMPS with TEA in acetone followed by evaporation of the solvent under a reduced pressure at room temperature. The RTIL was characterized with fourier transform infrared spectroscopy, differential scanning calorimetry (DSC), and 1 H NMR. Co-polymeric gels of the RTIL with acrylamide (AAm) were prepared by aqueous solution
more » ... n using N,N′-methylenebisacrylamide as a crosslinker, and ammonium persulfate as an initiator. Superabsorbency of the gels in aqueous and a series of organic liquids was investigated gravimetrically. DSC data showed that the glass transition temperature of AMPS -TEA was À59.4°C. Poly (AMPS -TEA-co-AAm) gels exhibited superabsorbency in both water and a series of organic solvents. The mechanism for swelling in aqueous and organic media of the gels was critically discussed.
doi:10.1080/15685551.2013.840480 fatcat:hcocwhhzpngnxi52aqvna7klky
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Tingting Weng, Jianwei Guo, Xinming Li, Yingde Cui, Xuejiao Yang, Kun Zhang, Buning Zhang, Guoqiang Yin, Sergey V. Mikhalovsky, Lyuba I. Mikhalovska, Irina N. Savina, Carol A. Howel, Susan R. Sandeman. "Synthesis of the polymerizable room temperature ionic liquid AMPS – TEA and superabsorbency for organic liquids of its copolymeric gels with acrylamide." Designed Monomers and Polymers 17.2 (2013) 140-146