Effect of Solvent Addition on the Popcorn Polymerization

Popcorn polymerizations of styrene and methyl methacrylate in the presence of various solvents were carried out by using styrene and butyl methacrylate popcorn polymers as the seed. There were two different linear relationships between the activity of the seed toward vinyl monomer and the chain tran...

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Bibliographic Details
Published inNippon Kagakukai shi (1972) Vol. 1983; no. 9; p. 1282
Main Authors TATSUMI, Masakazu, YAMAMOTO, Seika
Format Journal Article
LanguageEnglish
Published Tokyo Japan Science and Technology Agency 01.09.1983
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Summary:Popcorn polymerizations of styrene and methyl methacrylate in the presence of various solvents were carried out by using styrene and butyl methacrylate popcorn polymers as the seed. There were two different linear relationships between the activity of the seed toward vinyl monomer and the chain transfer constant to the solvent. These solvent effects were interpreted in terms of the chain-transfer reaction of the growing radical to the solvent added and the dependence of the solvent quality, e. g., a goodi solvent or a poor solvent, on the polymer graft polymerized in the seed.
ISSN:0369-4577
DOI:10.1246/nikkashi.1983.1282