Cationic polymerization of p-methylstyrene in selected ionic liquids and polymerization mechanism

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发布日期 2016-06-21

DOI 10.1039/C6PY00796A

影响因子 5.582

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摘要

Cationic polymerization of p-methylstyrene (p-MeSt) in imidazolium-based [NTf2−1] ionic liquids (ILs) was investigated. The effects of the anions, cations, and alkyl chain length of ILs on p-MeSt solubility and viscosity were comprehensively studied. The COSMO-RS method, which is a valuable tool for screening and selecting ILs, was also applied to identify the most suitable solvent for p-MeSt cationic polymerization. The results revealed that p-MeSt cationic polymerization proceeded in a milder exothermic manner in ILs than in a traditional organic solvent. Controlled polymerizations were achieved in [Bmim][NTf2] with a CumOH/BF3OEt2 initiating system at −25 °C when 2,6-di-tert-butylpyridine was introduced. The cationic polymerization mechanism of p-MeSt in ILs was proposed on the basis of the results of density functional theory and the terminal structures of polymers.

期刊推荐

Critical Reviews in Solid State and Materials Sciences

Journal of the Indian Institute of Science

Medicinal Chemistry Research

Journal of Chemical Sciences

Herald of the Russian Academy of Sciences

Acta Metallurgica Sinica-English Letters

Bioorganic & Medicinal Chemistry Letters

Journal of Asian Natural Products Research

Biocatalysis and Biotransformation

Atomization and Sprays

来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Cationic polymerization of p-methylstyrene in selected ionic liquids and polymerization mechanism

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来源期刊

Polymer Chemistry

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