FIELD: construction materials.
SUBSTANCE: invention relates to bitumen-polymer binders that can be used in the production of asphalt concrete, waterproofing coatings, mastic compounds and rolled roofing materials for construction work. A polymer-bitumen binder containing, wt. %: petroleum tar 95-97 and a polymer component in the form of styrene-butadiene-styrene polymer of linear or radial type 3-5 is proposed. A method for obtaining the specified polymer-bitumen binder is also proposed.
EFFECT: improvement in the physical and chemical characteristics of the polymer-bitumen binder.
2 cl, 1 tbl, 5 ex
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Authors
Dates
2022-12-26—Published
2021-12-08—Filed