• 专利标题:   Self-melting snow pavement based on graphene multi-phase composition material comprises multi modular self-melting snow road unit is spliced and modularized self-melting snow road unit comprising substrate, lower asphalt layer and electrode.
  • 专利号:   CN110904775-A, CN110904775-B
  • 发明人:   LI Y, YAN H, GONG X, TIAN M
  • 专利权人:   UNIV HARBIN
  • 国际专利分类:   E01C011/26, E01C007/26
  • 专利详细信息:   CN110904775-A 24 Mar 2020 E01C-011/26 202032 Pages: 12 Chinese
  • 申请详细信息:   CN110904775-A CN11228211 04 Dec 2019
  • 优先权号:   CN11228211

▎ 摘  要

NOVELTY - Self-melting snow pavement based on graphene multi-phase composition material comprises multi modular self-melting snow road unit is spliced, the modularized self-melting snow road unit comprising a substrate, lower asphalt layer, electrode, graphene, conductive asphalt layer, insulating asphalt layer and surface layer, the material of the substrate is lean concrete fixed on the upper surface of substrate provided by surrounding edge in the lower asphalt layer paved on the surrounding edge and emulsified asphalt adhesive, the graphene conductive asphalt layer is paved on the surface of the lower asphalt layer and bonded by the emulsified asphalt adhesive, in the graphene conductive asphalt layer is alternately arranged with multiple electrode, the electrode is set along the thickness direction of the graphene conductive asphalt layer, and upper surface of graphene conductive asphalt layer is adhered by insulating asphalt layer. USE - Used as self-melting snow pavement based on graphene multi-phase composition material. ADVANTAGE - The composition material: adds polypyrrole graphene composition material to the asphalt mixture, the graphene conductive asphalt layer is highly conductive, and improves the overall conductive heat generation performance of the self-melting snow pavement. DETAILED DESCRIPTION - Self-melting snow pavement based on graphene multi-phase composition material comprises multi modular self-melting snow road unit is spliced, the modularized self-melting snow road unit comprising a substrate (1), lower asphalt layer (2), electrode (3), graphene, conductive asphalt layer (4), insulating asphalt layer (6) and surface layer, the material of the substrate is lean concrete fixed on the upper surface of substrate provided by surrounding edge in the lower asphalt layer paved on the surrounding edge and emulsified asphalt adhesive, the graphene conductive asphalt layer is paved on the surface of the lower asphalt layer and bonded by the emulsified asphalt adhesive, in the graphene conductive asphalt layer is alternately arranged with multiple electrode, the electrode is set along the thickness direction of the graphene conductive asphalt layer, the upper surface of the graphene conductive asphalt layer adhered with insulating asphalt layer, the surface layer is paved on the asphalt insulating layer, the two adjacent connected modular self-melting conductive asphalt layer of graphene in snow road unit is present at seam, the seam is poured conductive phase-change joint, the conducting phase change joint is a conductive shape memory composition material; where the graphene conductive asphalt layer is: 10-16 pts. wt. asphalt, 70-120 pts. wt. aggregate, 12-18 pts. wt. mineral powder and high conductive material, the high conductive material comprises polypyrrole/graphene composition material and conductive shape memory composition material, and the asphalt includes 3-10 wt.% polypyrrole/graphene composition material, and 3-6 wt.% conductive shape memory composition material. An INDEPENDENT CLAIM is also included for preparing the conductive shape memory composition material comprises (i) adding sodium bis(2-ethylhexyl)succinate to deionized water, stirring uniformly, adding pyrrole, and then stirring under ice conditions, and reacting for 10-20 minutes under water bath conditions to obtain solution I; (ii) adding the ferric chloride solution dropwise to solution I, stirring and reacting for 6 hours under ice-water bath conditions, and then adding acetone to obtain the reaction product; (iii) using distilled water, washing the reaction product, and placing under vacuum drying at 60 degrees C for 24 hours, and then grinding into a fine powder to obtain amphiphilic surfactant dioctyl sulfosuccinate (AOT)-doped polypyrrole; (iv) AOT-doped polypyrrole and adding AOT-doped polypyrrole and epoxy resin to acetone obtaining the suspension, and then carrying out ultrasonic of the suspension, then volatilizing acetone at 60-65 degrees C to obtain an epoxy resin/polypyrrole mixture; (v) adding curing agent to epoxy resin/polypyrrole mixture, CMP410 epoxy resin active toughener and graphene, further performing ultrasonic, pouring the mixture into the mold and curing, and stripping. DESCRIPTION OF DRAWING(S) - The drawing shows the schematic representation of structural diagram of modular self-melting snow pavement.