RUBBER-COATED ASPHALT GRANULES Russian patent published in 2014 - IPC C08L95/00 C09D195/00 

Abstract RU 2531816 C2

FIELD: chemistry.

SUBSTANCE: invention relates to storage-stable asphalt granules for road surfacing, which comprise a core and a cladding which covers the core such that the granules have a maximum size of 1/16 to 2 inches, wherein the cladding contains a water-resistant polymer or wax, or particles selected from inorganic particles, particles of processed asphalt coating or combinations thereof. The core may contain (i) crushed rubber tyre in amount of 15-30 wt % of the core and road surfacing grade asphalt in amount of 85-70 wt % of the core or (ii) road surfacing grade asphalt in amount of 85-70 wt % of the core, crushed rubber tyre in amount of 15-30 wt % of the core, unreacted or absorbed into the road surfacing grade asphalt, and inorganic particles in amount of 1-45 wt % of the core.

EFFECT: high stability.

28 cl, 8 dwg, 3 tbl, 6 ex

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RU 2 531 816 C2

Authors

Bejli Uill'Jam R.

Dates

2014-10-27Published

2009-08-27Filed