▎ 摘 要
NOVELTY - Fiber array reinforced graphene thermal pad, comprises graphene layer and a fiber array. The fiber array is vertically arranged in the graphene layer. USE - The fiber array reinforced graphene thermal pad is useful in preparing composite graphene thermal pad, fiber arranging device and coating device (all claimed). ADVANTAGE - The graphene heat-conducting gasket enhanced fiber array has excellent mechanical property, high heat conducting performance in transverse and longitudinal direction. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: Preparing fiber array reinforced graphene thermal pad, comprising aligning the fiber array vertically on the substrate, coating the graphene oxide slurry on the substrate, so that the graphene oxide slurry covers the fiber array with a set height, drying after coating the graphene oxide slurry, removing exposed fibers, and peeling off substrate to obtain graphene oxide sheet reinforced by fiber arrays, heat-treating above-mentioned graphene oxide sheet to obtain graphene thermal pad reinforced by a fiber array; Preparing composite graphene thermal pad, comprising immersing the high molecular polymer into the graphene thermal pad, solidifying to obtain the composite graphene thermal pad, vacuum impregnating, normal pressure impregnating or high pressure impregnating to impregnate the polymer into the graphene thermal pad, preferably, the vacuum degree of vacuum impregnation is 0.095-0.099 MPa, pressure of high pressure impregnation is 0.5-10 MPa, curing temperature is 60-200 ℃ or normal temperature, polymer is at least one of epoxy resin, phenolic resin, furfural resin, polyurethane, acrylic resin, polybutene and organic silica gel, polymer is organic silica gel, polymer is polydimethylcyclosiloxane, dimethicone, α, ω-dihydroxydimethicone, polydiphenylsiloxane, α, ω-dihydroxypolymethyl(3,3,3-trifluoropropyl)siloxane, cyanosiloxysilane and α, ω-diethyl dimethicone; Composite graphene thermal pad, comprising graphene thermal pad and polymer immersed in the graphene thermal pad, where content of the high molecular polymer is 10-60 wt.%, preferably, the content of the high molecular polymer is 20-50 wt.%; Fiber arranging device, comprising vertically arrange the fiber array on the substrate, where fiber arranging device includes a substrate and a tie rod, plurality of holes are correspondingly arranged on the base material and the tie rod, and the fiber penetrates through one or more holes of the base material or/and the tie rod, additional hole or holes of the base material and/or the tie rod are pierced to form a fiber array; and Coating device, comprising substrate and scraper, where scraper is arranged on an end of scraper, is used for coating graphene oxide slurry on substrate, plurality of grooves are arranged on the scraper, and the grooves are used for passing fibers, scraper and the scraper are L-shaped, coating device further includes a support, and the scraper is located on the back of the support, groove on the scraper is used to pass through the pull rod of the fiber arrangement device for fixing the fibers, support and the scraper are detachably connected, coating device further includes an adjustment member for adjusting the distance between the top of the scraper and the support.