FIELD: construction.
SUBSTANCE: invention relates to production of bituminous binders which can be used in road construction. Binder contains in wt%: deep oxidized tar 45–55; oil dispersing agent 4.5–9.0; rubber crumbs 0.5–1.0; elemental sulfur 0.02–0.05, SBS polymer 0–3.0; straight-run tar to 100. Obtained binder for road surfaces has low brittleness temperature, high softening temperature, extensibility, elasticity and resistance to aging.
EFFECT: use of low-cost and accessible components in the composition ensures profitability of its production and enables to significantly expand the raw material base.
1 cl, 1 tbl
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Authors
Dates
2019-11-29—Published
2018-11-28—Filed