• 专利标题:   Carbide-graphene nano-fluid radiating material with high good stability, high particle dispersibility, exert radiating performance comprises glycol, plasma water, nanometer silicon carbide powder, nanometer powder graphene, corrosion inhibitor, and surfactant.
  • 专利号:   CN114574168-A
  • 发明人:   LIU P, WEI Y, WU H
  • 专利权人:   UNIV NANJING INFORMATION SCI TECHNOLOG
  • 国际专利分类:   C09K005/08, C09K005/10
  • 专利详细信息:   CN114574168-A 03 Jun 2022 C09K-005/08 202281 Chinese
  • 申请详细信息:   CN114574168-A CN10262009 16 Mar 2022
  • 优先权号:   CN10262009

▎ 摘  要

NOVELTY - Carbide-graphene nano-fluid radiating material comprises 30-50 pts. wt. glycol, 50-70 pts. wt. plasma water, 0.04-1 pts. wt. nanometer silicon carbide powder, 0.04-1 pts. wt. nanometer powder graphene, 0.8-2 pts. wt. corrosion inhibitor, and 0.8-2 pts. wt. surfactant. USE - Used as carbide-graphene nano-fluid radiating material. ADVANTAGE - The material: has good stability, high particle dispersibility, exert radiating performance in the metal piececorrosion performance, which can make the radiating performance; has high heat conductivity. The method is simple. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing carbide-graphene nano-fluid radiating material comprising (i) pouring ethylene glycol, plasma water into a cleaned beaker, stirring while adding, fully stirring to obtain base liquid, (ii) orderly adding nanometer silicon carbide powder with grain diameter of 30-70 nm, graphene powder, corrosion inhibitor, surfactant into the base solution to obtain the silicon carbide graphene mixed solution, magnetically stirring at constant temperature at a rate of 30-50 revolutions/minute, controlling the temperature to 20-40℃, stirring for 15-60 minutes, (iii) adding 8-20 pts. wt. silicon carbide graphene mixed solution, adding 80-2000 pts. wt. ceramic ball in a mass ratio of 1: 10-100, adding the grinding tank into a planetary ball for 10-75 minutes, then reversing for 10-75 minutes, allowing to stand for 10-60 minutes, carrying out circulating ball milling for 10-60 weeks, ball milling for 60-90 hours, uniformly mixing the solute in the silicon carbide graphene mixed solution and dispersing, (iv) pouring the silicon carbide graphene mixed solution obtained by ball milling into a beaker, adding in a high power ultrasonic dispersant, adjusting the instrument power to 150-250 W, controlling the oscillation mode for 3-8 seconds, allowing to stand for 1-5 seconds, firstly dispersing for 5-15 minutes, opening the chamber door for 10-15 minutes, cooling, totally performing ultrasonic dispersion for 2-5 times, (v) taking out the dispersed silicon carbide graphene mixed solution, pouring into a centrifugal tube, symmetrically adding the centrifugal tube into a high speed centrifuge, centrifuging for 10-20 minutes, slowly adjusting the rotating speed to 2000-4000 revolutions/minute, taking out the centrifugal tube after centrifuging, removing the impurity of precipitate in the tube, and the supernatant in the tube as nano-fluid, quickly pouring the liquid in all the centrifugal tube into the beaker to obtain silicon carbide graphene nano fluid, also called composite fluid, (vi) adding the copper into the base liquid and silicon carbide graphene nano fluid, judging corrosion performance by copper sheet surface, judging the radiating performance through the evaporation time length of the copper sheet, judging the heat conducting performance through the copper sheet thermal resistance rate condition.