FIELD: hydroinsulating compositions in covering and impregnating compounds for preparing roofing materials. SUBSTANCE: polymeric bitumen composition comprises bitumen oil, plasticizer and polymeric additive. The latter includes softener- dissolved composite waste KO-2 resulting from adhesive insulating tape. Composition comprises the following components: high-pressure polyethylene, low-pressure polyethylene, butyl rubber, polymeric petroleum resin, black, oil softener, talc, zinc oxide, antioxidant, ratios of components in polymeric bitumen composition being as follows, wt %: bitumen, 60-84, said oil softener, 15-27; said composite waste KO-2, 5-9. EFFECT: improved properties of the polymeric bitumen composition. 1 tbl
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Authors
Dates
1999-11-20—Published
1998-07-07—Filed