Hot-melt binder based on asphalt or bitumen at lower production temperature comprising a triglyceride of saturated fatty acids

摘要

Hot melt binder made of natural asphalt or bitumen for asphalt or bituminous product, comprises an additive having a melting temperature of greater than 60 deg C, for lowering the fabrication temperature of the asphalt product with respect to the base product, where the additive is a fatty acid triglyceride, and the fatty acid is 12-30C, preferably 12-20C saturated fatty acids, optionally substituted by a hydroxyl group or 1-4C alkyl radical. Independent claims are included for: (1) a preparation of the hot melt asphalt product, comprising mixing the hot melt binder, optionally polymer additives, with mineral fillers, asphalt aggregates and an additive to lower the temperature of asphalt product fabrication, in which the mixing temperature is 140-180 deg C; (2) a preparation of the bituminous coating, comprising mixing the hot melt binder, optionally polymer additives with mineral fillers, asphalt aggregates and at least one additive to lower the temperature of manufacturing asphalt product in which the mixing temperature is 90-130 deg C; (3) a hot melt asphalt product, comprising the hot melt binder, and mineral and/or synthetic fillers and asphalt aggregates; and (4) a bituminous coating comprising the hot melt binder, aggregates for coating and mineral and/or synthetic fillers.