Bitumen-polymer composition and method for the preparation thereof

    公开(公告)号:US10759967B2

    公开(公告)日:2020-09-01

    申请号:US15781161

    申请日:2016-11-30

    摘要: A process for preparing a bitumen-polymer composition includes mixing and heating a base bitumen-polymer with at least: one compound of general formula (I): R1—(COOH)z where R1 is a linear or branched, saturated or unsaturated, hydrocarbon chain, including 4 to 68 carbon atoms, and z is an integer from 1 to 4, and a compound (II) selected from the compounds able to react according to an acid-base reaction, an amidation reaction or an esterification reaction, with the carboxylic acid group of the additive (I). Also set forth is the composition obtained by the method and a kit composed of a bitumen-polymer composition including an additive (I), in the form of blocks, and a capsule comprising a compound (II).

    Method for manufacturing material in the form of granules that can be used as road binder or sealing binder and device for manufacturing same

    公开(公告)号:US11198105B2

    公开(公告)日:2021-12-14

    申请号:US16331879

    申请日:2017-09-05

    摘要: A method for manufacturing a material in divided form solid at ambient temperature and usable as a road binder or as a sealing binder, such as a road bitumen, a pitch, a stock solution for a bitumen/polymer composition, a clear binder, the method including the implementation of a device intended for granulation having at least two coaxial drums and a horizontal running belt: a fixed inner drum having an orifice and rotating outer drum with orifices, the method including: (i) heating a first composition to a temperature at which it is fluid, (ii) introducing the first composition in the fluid state into the inner drum of the granulation device, (iii) distributing the first composition outwards in drops through the orifices in the rotating outer drum, (iv) depositing the drops on the running belt, and (v) optionally, coating the drops with the second composition. A device for manufacturing these materials.

    Bitumen which is solid at ambient temperature

    公开(公告)号:US11021397B2

    公开(公告)日:2021-06-01

    申请号:US16304243

    申请日:2017-05-22

    摘要: Bitumen which is solid at ambient temperature, in the form of granules including a core made of a first bituminous material and a coating layer made of a second bituminous material, in which: the first bituminous material includes at least one bitumen base and the second bituminous material includes: at least one bitumen base and at least one chemical additive chosen from: an organic compound, a viscosifying compound, a paraffin, a polyphosphoric acid and mixtures thereof; or at least one pitch having a ring-and-ball softening point (RBSP) greater than or equal to 80° C., it being understood that the RBSP is measured according to the EN 1427 standard; or a mixture of these materials.

    Method for the transportation and/or storage of road bitumen

    公开(公告)号:US10683421B2

    公开(公告)日:2020-06-16

    申请号:US15501040

    申请日:2015-07-29

    摘要: A process for the transportation and/or storage of road bitumen under cold conditions, including at least one chemical additive chosen from: a general formula compound (I): R1—(COOH)z wherein R1 is a linear or branched, saturated or unsaturated hydrocarbon-based chain including 4 to 68 carbon atoms, and z is an integer ranging from 1 to 4, and a general formula compound (II): R—(NH)nCONH—(X)m—NHCO(NH)n—R′ wherein: R and R′, which are identical or different, contain a saturated or unsaturated, linear or branched, cyclic or acyclic hydrocarbon-based chain having 1 to 22 carbon atoms and optionally including heteroatoms and/or rings having 3 to 12 atoms and/or heterocycles having 3 to 12 atoms; X contains a saturated or unsaturated, linear or branched, cyclic or acyclic hydrocarbon-based chain having 1 to 22 carbon atoms and optionally including one or more heteroatoms and/or rings having 3 to 12 atoms and/or heterocycles having 3 to 12 atoms.

    Bitumen solid at ambient temperature

    公开(公告)号:US11292912B2

    公开(公告)日:2022-04-05

    申请号:US16465170

    申请日:2017-12-06

    发明人: Mouhamad Mouazen

    IPC分类号: C08L95/00

    摘要: A bitumen granules including a core and a coating layer, in which the core includes at least one bitumen base, and the coating layer includes at least: one oil selected from a hydrocarbon oil of petroleum or synthetic origin; and at least one organogelator compound selected from among compounds of general formula (I), (II) or (V). The invention also relates to a method for producing bitumen granules, as well as to the use thereof as an asphalt binder, in particular for producing mixes. The invention further relates to a method for producing mixes from bitumen granules and also to a method for transporting and/or storing and/or handling bitumen granules.