Hot melt binder for asphalt product with reduced production temperature and applications of said binder
AssigneeSMAC Acieroid
InventorJean-Pierre Dean
Life of this patent
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Abstract
The binder is produced based on natural bitumen, or bitumen from the oil industry, and comprises a first additive which is constituted by a hydrocarbon wax whose melting point is greater than 85° C. This binder further comprises a fatty acid ester wax which is of synthetic, vegetable or fossil vegetable origin and which has a melting point of less than 85° C. Use in the production of sealing coatings for buildings or civil engineering works, coatings for traffic routes or urban amenities.
Claims23
Thermofusible binder for an asphalt product, this binder being based on natural bitumen or bitumen from the oil industry, of the type comprising, in addition to this base product, a first additive which is constituted by a hydrocarbon wax which is substantially insoluble in the base bitumen of the binder at ambient temperatures and whose melting point, measured in accordance with the standards ASTM D3945 and D3418, is greater than 85° C., and which reduces the production temperature of the asphalt product relative to that of the base product, characterised in that it further comprises a second additive which is constituted by a fatty acid ester wax, this wax being of synthetic, vegetable or fossil vegetable origin and having a melting point, measured in accordance with the above standards, of less than 85° C.
Dependencies are inferred from the claim text.