Summary
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1.
The preparation of vinylcaprolactam from acetylene and caprolactam is described; the sodium salt of caprolactam serves as a quito satisfactory catalyst.
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2.
Polymerization of vinylcaprolactam in presence of hydrogen peroxide has been studied over the range 100–150°. The velocity of polymerization rises, and the amount of catalyst required falls, as the reaction temperature is raised.
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Literature Cited
M. F. Shostakovsky, N. A. Medzykhovskaya, and M. G. Zelenskaya, Bull. Acad. Sci. USSR, Div. Chem. Sci. No. 4, 652 (1952). (See Consultants Bureau English Translation, p. 627 ff.)
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M. F. Shostakovsky, Herald Acad. Sci. USSR, No. 12, 13 (1949).
M. F. Shostakovsky, Studies in the field of high-molecular compounds, p. 34. Moscow-Leningrad, 1949.
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Shostakovsky, M.F., Sidelkovskaya, F.P. & Zelenskaya, M.G. Synthesis and transformations of vinylcaprolactam Part 1. Polymerization in presence of hydrogen peroxide. Russ Chem Bull 1, 633–636 (1952). https://doi.org/10.1007/BF01164930
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DOI: https://doi.org/10.1007/BF01164930