Base-Catalyzed Polymerization of Vinyl Acetamide and Allyl Cyanide |
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Authors: | H Nakayama T Higashimura S Okamura |
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Institution: | Department of Polymer Chemistry Kyoto , University Kyoto , Japan |
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Abstract: | The base-catalyzed polymerizations of vinyl acetamide and allyl cyanide have been studied. It was found by chemical and spectroscopic analyses that the polymer obtained from vinyl acetamide was poly(2-methyl-β-alanine), ![/></span> which was the same structure as the polymer prepared by base-catalyzed polymerization of crotonamide. It is concluded, therefore, that vinyl acetamide was polymerized through the isomerization of allyl group and the proton transfer reaction from amide group. The gas-chromatographic analysis of the polymerization system showed that vinyl acetamide was consumed faster than crotonamide. This, fact suggests that an intermediate other than crotonamide might be present in the process of isomerization of vinyl acetamide. On the other hand, in the base-catalyzed polymerization of allyl cyanide, the allyl group was isomerized, but the reaction of cyanide group hardly occurred.</td>
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Keywords: | allyl chloride styrene catalysis cross‐linking polymer support |
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