Abstract
The copolymer of 1-chloro-1,3-butadiene (CB) and styrene (St) was synthesized and its composition and distribution in poly(CB-co-St) were investigated by thin-layer chromatography (TLC). The concentration gradient development method of a tetrahydrofuran–cyclohexane mixture was useful for separating the copolymer into its components. Resolution by molecular weight was not significant under the present conditions. The experimental results on the compositional distribution of poly(CB-co-St)s obtained at high conversion were in close agreement with the values calculated from the monomer reactivity ratios and conversion. Also, the composition of the copolymers having a CB content too small for ordinary elemental analysis to be applicable could be assayed by TLC. The observed CB content was below 1 mol%, and agreed well with that calculated.
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Kohjiya, S., Iwata, K., Yamashita, S. et al. 1-Chloro-1,3-butadiene Copolymers V. Composition and Compositional Distribution in the Copolymer with Styrene Studied by Thin-Layer Chromatography. Polym J 15, 869–874 (1983). https://doi.org/10.1295/polymj.15.869
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DOI: https://doi.org/10.1295/polymj.15.869
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