ASPHALT PRODUCTS WITH IMPROVED WORKABILITY PROPERTIES
The present invention relates to an asphalt product comprising a synthetic or bituminous hydrocarbon binder and at least one inorganic filler, characterised in that it also comprises 0.02 to 5 wt.%, relative to the weight of said bituminous binder, of a thermoplastic polymer compatible with the hydr...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
03.12.2019
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to an asphalt product comprising a synthetic or bituminous hydrocarbon binder and at least one inorganic filler, characterised in that it also comprises 0.02 to 5 wt.%, relative to the weight of said bituminous binder, of a thermoplastic polymer compatible with the hydrocarbon binder, said polymer being selected from: a polymer having at least one terminal carboxylicacid, the polymer being a polyester, a polyamide, a poly(ester-amide), a polyether functionalised at the carboxylic acid chain end, or a polydiene functionalised at the carboxylic acid chain end whensaid thermoplastic polymer comprises more than one carboxylic acid function, with at least 20 carbon atoms separating the carboxylic acid functions; a polymer having at least one phosphate or phosphonate function; and mixtures thereof. The invention also relates to the use of a thermoplastic polymer compatible with bitumen, having at least one terminal carboxylic acid, to improve the dispersion ofan inorganic filler in a h |
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Bibliography: | Application Number: CN201880026020 |