• 专利标题:   Graphene modified anti-stripping agent used for preparing high heat dissipation graphene composite modified asphalt, comprises graphene powder, carbon nanotubes, porous activated carbon, petroleum sulfonate, sulfur and anti-stripping agent.
  • 专利号:   CN112898789-A
  • 发明人:   XIAO P, WANG Q, XIAO X
  • 专利权人:   QINGDAO DETONG NANO TECHNOLOGY CO LTD
  • 国际专利分类:   C08K013/06, C08K003/04, C08K003/06, C08K003/22, C08K007/24, C08K009/02, C08L019/00, C08L095/00
  • 专利详细信息:   CN112898789-A 04 Jun 2021 C08L-095/00 202159 Pages: 10 Chinese
  • 申请详细信息:   CN112898789-A CN10172391 08 Feb 2021
  • 优先权号:   CN10172391

▎ 摘  要

NOVELTY - A graphene modified anti-stripping agent comprises 0.1-1 pt. wt. graphene powder, 0.1-1 pt. wt. carbon nanotubes, 0.3-5 pts. wt. porous activated carbon, 0.1-1 pt. wt. petroleum sulfonate, 1-5 pts. wt. sulfur, and 90-100 pts. wt. anti-stripping agent. USE - The graphene modified anti-stripping agent is useful for preparing high heat dissipation graphene composite modified asphalt (all claimed). ADVANTAGE - The graphene modified anti-stripping agent: improves softening point, toughness and thermal conductivity of asphalt; and adopts graphene carbon atom, which has high specific surface area, and excellent Young's modulus, intrinsic strength and thermal conductivity, and porous activated carbon, which has excellent adsorption function and high specific surface area. The carbon nanotubes having high modulus and strength make the modified asphalt to have excellent toughness. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a high heat dissipation graphene composite modified asphalt, which comprises 20-30 pts. wt. waste tire powder, 0.1-1 pt. wt. graphene powder, 0.1-1 pt. wt. carbon nanotubes, 0.3-5 pts. wt. porous activated carbon, 2-5 pts. wt. graphene modified anti-stripping agent, 60-70 pts. wt. petroleum asphalt, 1-3 pts. wt. stabilizer, 1-3 pts. wt. sulfur, 0.5-1 pt. wt. petroleum sulfonate, and 1-3 pts. wt. metal oxide; (2) preparation of the graphene modified anti-stripping agent, which involves (S11) adding anti-stripping agent to a reactor, and homogenizing at preset speed for 1-2 hours, (S12) adding sulfur and petroleum sulfonate to the reactor, and continuously homogenizing at preset speed for 1-3 hours, and (S13) adding graphene powder, porous activated carbon and carbon nanotubes to the reactor, and homogenizing at preset speed for 1-2 hours; and (3) preparation of the high heat dissipation graphene composite modified asphalt, which involves (S21) adding waste rubber powder to the reactor, heating at a preset temperature, and stirring with a high-speed shearer to prepare treated waste rubber powder, (S22) adding petroleum asphalt to other reactor, heating at preset temperature, and stirring, (S23) adding graphene powder, carbon nanotubes and porous activated carbon to other reactor, pouring the treated waste tire powder into other reactor, and stirring, and (S24) adding stabilizer, sulfur, petroleum sulfonate, metal oxide and the graphene modified anti-stripping agent to other reactor, and stirring.