FIELD: chemistry.
SUBSTANCE: invention relates to 2-chloro-3-polyfluoroalcoxy-[1,4]-naphthoquinones of the formula
where X=F, CF2H, n-C5F11, which are antioxidants and are able to increase the heat resistance of polymethylmethacrylate.
EFFECT: significant increase in the heat resistance of polymethylmethacrylate as a result of the use of 2-chloro-3-polyfluoroalcoxy-[1,4]-naphthoquinones as additives during polymerization of methyl methacrylate.
5 cl, 1 tbl, 5 ex
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