FIELD: process engineering.
SUBSTANCE: invention relates to construction materials and can be used for road construction, roofing, insulating and sealing jobs. In compliance with this invention, the mix of rubber chips and bitumen is activated by ultrasound at the following ratio, wt %: rubber chips - 13-15, bitumen making the rest. If required, rubber chips are introduced to bitumen heated to 180°C in the mixer. Said mix is missed for at least 10 minutes and activated by ultrasound unless rubber-bitumen compound results.
EFFECT: better softening and brittleness temperatures under severe climatic conditions.
7 cl, 1 tbl, 9 ex
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