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Anionic graft copolymerization of methyl methacrylate with lithium diisopropylamide-treated poly(methyl α-substituted acrylate)s

✍ Scribed by Fumihiko Akutsu; Mari Inoki; Yoshio Kasashima; Yoichi Shimajiri; Kiyoshi Naruchi

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
345 KB
Volume
17
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

The anionic grafting of methyl methacrylate onto several lithium diisopropylamide (LDA) — treated polymers of methyl α‐substituted acrylates containing an active methylene or methine group was investigated. The grafting was carried out using a mole ratio of LDA/acrylate unit of 0.75 in the feed polymer. The anionic graft copolymerizability of these acrylate polymers largely depends upon the surrounding of the active α‐hydrogen atom adjoining a carbonyl group or of the carbanion produced by the LDA treatment in the feed polymer.

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