Abstract
The chlorination and bromination of some diacetylene-containing polyesters in the solid state and solution were investigated. The solid state bromination of the crystalline poly(octa-3,5-diynylenesebacate) took place smoothly at room temperature giving a new polyester containing 1,2,3,4-tetrabromobutadiene units, while chlorination caused the topochemical crosspolymerization of the diacetylene groups instead of addition of chlorine atoms. The solid state bromination of the amorphous polyester was very slow, but both chloronation and bromination in chloroform solutions readily took place giving tetrahalogenated butadiene-containing, totally amorphous polymers. Degradation during halogenation was minimum. The mechanisms of these halogen addition reactions are discussed based on the results of spectroscopic studies.
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Fomine, S., Sánchez, C., Gaviño, R. et al. Diacetylene-Containing Polymers IX. Halogenation of Some Diacetylene-Containing Polyesters. Polym J 28, 249–255 (1996). https://doi.org/10.1295/polymj.28.249
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DOI: https://doi.org/10.1295/polymj.28.249
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