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Photopolymerization Behavior of Coordinated Ionic Liquids Formed from Organic Monomers with Alkali and Alkaline Earth Metal Bistriflimide Salts
Author(s) -
Whitley John W.,
Benefield Shellby C.,
Liu Haining,
Burnette Michael T.,
Turner C. Heath,
Bara Jason E.
Publication year - 2017
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201600358
Subject(s) - monomer , polymerization , chemistry , polymer chemistry , photopolymer , polymer , alkali metal , methyl methacrylate , ionic liquid , alkaline earth metal , counterion , inorganic chemistry , organic chemistry , ion , catalysis
Coordinated ionic liquid (IL) monomers provide many of the benefits of conventional ILs in radical polymerization with the advantage of relatively simple synthesis and recovery of the polymer product. Previous studies have reported high solubilities of lithium bistriflimide in polar organic monomers such as methyl methacrylate (MMA), 1‐vinylimidazole (VIm) and others. Here, coordinated IL monomers are formed comprising a variety of alkali and alkaline earth M n + (Tf 2 N − ) n salts with MMA and VIm, and polymerization behavior is investigated using real‐time attenuated total reflectance Fourier transform infrared spectroscopy (ATR FT‐IR). The size and valency of the coordinated M n + cations are observed to strongly influence monomer reactivity, as evidenced by significant changes in FT‐IR spectra. This work further demonstrates that the bulky, delocalized [Tf 2 N] − anion allows for facile introduction of a wide range of M n + cations into organic polymers without phase separation, which may open opportunities for new composite materials.