FIREPROOF POLYMERIC COMPOSITION Russian patent published in 2000 - IPC

FIELD: chemical industry. SUBSTANCE: described is fireproof polypropylene-based polymeric composition comprising halogen-containing compound, antimony trioxide and filler. Halogen-containing compound includes bromo-containing organic compound selected from group consisting of decabromodiphenyloxide, 1,2,5,6,9,10- hexabromocyclododecane and tetrabromophthalic anhydride, and filler includes bivalent metal silicate and tin dibutyl maleate, ratios of components being as follows, wt.%: bromocontaining organic compound, 6.5-13.0; bivalent metal silicate, 10.0-17.5; antimony trioxide, 3.0-6.0; tin dibutyl maleate, 1.4-2.6. EFFECT: improved fireproof and physico-mechanical properties and longer service life of products exposed to ultraviolet radiation. 9 ex, 2 tbl