1978•Journal of Polymer Science Polymer Chemistry EditionRequires access

Diad, triad, and pentad sequence‐distribution analysis of acrylonitrile–vinylidene chloride model copolymers by 13C‐NMR

David B. Bailey, P. M. Henrichs

Abstract

Abstract The DMSO solution copolymerization of acrylonitrile and vinylidene chloride can be adequately described by the terminal‐unit copolymerization model. The sequence distribution measured by 13C‐NMR is in excellent agreement with the theoretically calculated diad, triad, and pentad distributions. The variation of glass transition temperatures with copolymer composition is explained by sequence distribution.

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Key concepts: Diad, Triad (sociology), Copolymer, Acrylonitrile, Polymer chemistry, Sequence (biology), Carbon-13 NMR, Materials science