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Electroinitiated polymerization of vinylic monomers in polar systems. II. Polymerization of ethyl methacrylate in methanol solutions

โœ Scribed by Albeck, Michael ;Relis, Joseph

Publisher
Wiley (John Wiley & Sons)
Year
1971
Tongue
English
Weight
446 KB
Volume
9
Category
Article
ISSN
0449-296X

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โœฆ Synopsis

Abstract

Ethyl methacrylate is polymerized by electroinitiation in methanolโ€“electrolyte mixtures in which the monomer is soluble whereas the polymer obtained is insoluble. A technique of changing the polarity of the electrodes is used. With this technique a polymer of high molecular weight can be obtained. The relationships between molecular weight and monomer concentration, current densities, and time of the reaction as well as the yield as a function of current density, time of the reaction and initial monomer concentration are given. A freeโ€radical mechanism is proposed for the reaction.

๐Ÿ“œ SIMILAR VOLUMES

Studies in radiation-induced polymerizat
Studies in radiation-induced polymerization of vinyl monomers at high dose rates. II. Methyl methacrylate
โœ C. C. Allen; W. Oraby; T. M. A. Hossain; E. P. Stahel; D. R. Squire; V. T. Stann ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 770 KB

The radiation-induced polymerization of methyl methacrylate was investigated with radiation sources of cobalt 60 and accelerated electrons at dose rates up to 3 Mrads/ sec. Extrapolation of previous rates of polymerization at. dose rates of 0.01-200 rads/sec coincided with the present results, the r