Ultrasonically initiated polymerization of methyl methacrylate

G. J. Price; P. J. West; Paul F. Smith

doi:10.1016/0041-624X(91)90047-C

Ultrasonically initiated polymerization of methyl methacrylate

G. J. Price, P. J. West, Paul F. Smith

Department of Chemistry

University of Bath

Research output: Contribution to journal › Article › peer-review

Abstract

The use of high intensity ultrasound as an initiator of polymerization in methyl methacrylate has been investigated. The results confirm that pure, dry, vinyl monomers can be polymerized by this method but that there are simultaneous polymerization and degradation processes occurring so that the molecular weight is a complex function of sonication time. It was also shown that thermal initiators such as azo-compounds can be decomposed at room temperature, offering the prospect of a controllable, low temperature initiation system for radical polymerization.

Original language	English
Pages (from-to)	166-170
Number of pages	5
Journal	Ultrasonics
Volume	29
Issue number	2
DOIs	https://doi.org/10.1016/0041-624X(91)90047-C
Publication status	Published - 1 Jan 1991

Keywords

degradation
initiation
polymerization
radicals
sonochemistry

ASJC Scopus subject areas

Acoustics and Ultrasonics

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10.1016/0041-624X(91)90047-C

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N2 - The use of high intensity ultrasound as an initiator of polymerization in methyl methacrylate has been investigated. The results confirm that pure, dry, vinyl monomers can be polymerized by this method but that there are simultaneous polymerization and degradation processes occurring so that the molecular weight is a complex function of sonication time. It was also shown that thermal initiators such as azo-compounds can be decomposed at room temperature, offering the prospect of a controllable, low temperature initiation system for radical polymerization.

AB - The use of high intensity ultrasound as an initiator of polymerization in methyl methacrylate has been investigated. The results confirm that pure, dry, vinyl monomers can be polymerized by this method but that there are simultaneous polymerization and degradation processes occurring so that the molecular weight is a complex function of sonication time. It was also shown that thermal initiators such as azo-compounds can be decomposed at room temperature, offering the prospect of a controllable, low temperature initiation system for radical polymerization.

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KW - polymerization

KW - radicals

KW - sonochemistry

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Ultrasonically initiated polymerization of methyl methacrylate

Abstract

Keywords

ASJC Scopus subject areas

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