FIELD: chemistry.
SUBSTANCE: invention relates to composition of foamed vinylaromatic polymers with improved heat-insulating ability, method of its obtaining and to foamed products, obtained from said com foamed vinylaromatic polymers position. Composition of foamed vinylaromatic polymers includes polymer matrix, obtained by polymerisation of base, which includes 50-100 wt % of one or more vinylaromatic monomers and 0-50 wt % of, at least, one copolymerised monomer; 1-10 wt %, basing on polymer weight, of foaming agent, in polymer matrix; 0.05-25 wt %, basing on polymer weight, of non-heat-transparent filling agent, which includes coke in form of particles with the average diameter from 0.5 to 100 mcm and surface area, measured in accordance with ASTM D-3037/89 standard, from 5 to 50 m2/g. Described is method of obtaining composition of foamed vinylaromatic polymers in water suspension, as well as continuous method of obtaining composition in mass.
EFFECT: obtaining composition, based on foamed vinylaromatic polymers with improved heat-insulating properties with application of non-heat-transparent additives.
23 cl, 13 ex
