• 专利标题:   Reinforced composite phase-change material comprises paraffin, coupling agent, graphene oxide and nano-silver particle, and is prepared by adopting improved Hummers method to prepare graphene oxide after vacuum drying.
  • 专利号:   CN109021932-A
  • 发明人:   ZHANG P, YUAN P, WEI X, XIAN Y, JIANG X, YANG D
  • 专利权人:   UNIV GUILIN ELECTRONIC TECHNOLOGY
  • 国际专利分类:   C09K005/06
  • 专利详细信息:   CN109021932-A 18 Dec 2018 C09K-005/06 201917 Pages: 8 Chinese
  • 申请详细信息:   CN109021932-A CN11004020 30 Aug 2018
  • 优先权号:   CN11004020

▎ 摘  要

NOVELTY - Reinforced composite phase-change material comprises 80 pts. wt. paraffin, 1-9 pts. wt. coupling agent, 1-20 pts. wt. graphene oxide and 50-150 pts. wt. nano-silver particle. USE - Reinforced composite phase-change material. ADVANTAGE - The reinforced composite phase-change material enhances heat conductivity material, and improves dispersibility. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing reinforced composite phase-change material, which involves: (A) adopting improved Hummers method to prepare graphene oxide after vacuum drying, adding mixed solution to couplingagent and organic solvent, and mixing and rubbing; (B) heating mixed liquid in vacuum to obtain modified graphene oxide solution, adding paraffin into modified graphene oxide solution, adding organic solvent and mixing and stirring; (C) heating mixed solution in water bath, and carrying out ultrasonic dispersion, heating and slowly stirring under vacuum, vacuum debubbling for 4-5 hours to obtain graphene oxide/paraffin composite material; (D) adding nano-silver particles after vacuum drying, adding graphene oxide/paraffin composite material, and adding organic solvent, agitating and grinding; and (E) heating mixed solution in water bath, and carrying out ultrasonic dispersion under vacuum heating and slowly stirring, vacuum defoaming for 4-5 hours, and vacuum drying to obtain reinforced composite phase-change material.