Effects of Ionic Liquid [Me3NC2H4OH]+[ZnCl3]− on γ-Radiation Polymerization of Methyl Methacrylate in Ethanol and N,N-Dimethylformamide

Radiation‐induced polymerization of methyl methacrylate (MMA) in ethanol (EtOH) and N,N‐dimethylformamide (DMF) in the presence of ionic liquid [Me3NC2H4OH]+[ZnCl3]− is reported. A substantial increase in monomer conversion and molecular weight is observed at room‐temperature ionic liquid (RTIL) >...

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Published in:Macromolecular rapid communications. 2005-01, Vol.26 (1), p.57-61
Main Authors: Wu, Guozhong, Liu, Yaodong, Long, Dewu
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
ionic liquids
molecular weight distribution/molar mass distribution
Physicochemistry of polymers
Polymerization
Polymers and radiations
radiation
radical polymerization
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creator Wu, Guozhong
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description Radiation‐induced polymerization of methyl methacrylate (MMA) in ethanol (EtOH) and N,N‐dimethylformamide (DMF) in the presence of ionic liquid [Me3NC2H4OH]+[ZnCl3]− is reported. A substantial increase in monomer conversion and molecular weight is observed at room‐temperature ionic liquid (RTIL) >60 vol.‐%, and the resulting PMMA has a broad multimodal MWD. A clear difference in the MWD pattern is noted between EtOH/RTIL and DMF/RTIL systems, probably due to the complicated interactions between the solvent and ionic liquid. Gel permeation chromatography traces of poly(methyl methacrylate) obtained by radiation polymerization in EtOH/RTIL and DMF/RTIL mixed solvent. Organic/RTIL (v/v): 1) 100:0; 2) 80:20; 3) 60:40; 4); 40:60; 5) 0:100.
doi_str_mv 10.1002/marc.200400375
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source Wiley-Blackwell Read & Publish Collection
subjects Applied sciences
Exact sciences and technology
ionic liquids
molecular weight distribution/molar mass distribution
Physicochemistry of polymers
Polymerization
Polymers and radiations
radiation
radical polymerization
title Effects of Ionic Liquid [Me3NC2H4OH]+[ZnCl3]− on γ-Radiation Polymerization of Methyl Methacrylate in Ethanol and N,N-Dimethylformamide
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