▎ 摘　　要

NOVELTY - Manufacture of graphene heat-generation sheet involves mixing ethanol, tetrabutyl titanate, and glycerin, drying to obtain glycerol titanium salt precursor, baking precursor to obtain nano titanium dioxide, adding graphite powder to sulfuric acid, adding sodium nitrate and potassium permanganate, and dripping hydrogen peroxide during stirring, filtering, washing with hydrochloric acid and water to obtain graphite oxide aqueous solution, ultrasonically processing the solution and drying to obtain graphene, mixing graphene and water to obtain a graphene suspension, adding the nano titanium dioxide to the suspension, adding an ammonia solution, and controlling pH to obtain graphene titania precursor solution, reacting the precursor solution and tetrafluoroethylene, washing with water and drying to obtain a composite product, and baking, dispersing the composite product in a resin solution to obtain a graphene conductive paste, and bonding the paste to a substrate. USE - Manufacture of graphene heat-generation sheet. Uses include but are not limited to dress, ornaments, footwear, bedding article, household articles, motor vehicle products, furniture, interior product, health appliance, covering, film, top cover, mattress, blanket, pillow, floor seat cushion, sofa, carpet, waist cushion, knee supporter, insole of shoes, chair, motor vehicle seat, toilet-seat sheet, hot-water bottle, and crib bag. ADVANTAGE - The method enables simple, economical and easy industrial manufacture of graphene heat-generation sheet having excellent stability and heat-generating property. The sheet has stable efficiency even after long-term operation. The sheet exhibits excellent dual effects of warmth and heat retention and health promotion, uniform heating, high heat generation efficiency, long service life, rapid temperature rise, no temperature accumulation, and stable electrical performance. DETAILED DESCRIPTION - Manufacture of graphene heat-generation sheet involves mixing ethanol, tetrabutyl titanate, and glycerin in predetermined ratio, drying to obtain glycerol titanium salt precursor, baking precursor to obtain nano titanium dioxide, adding graphite powder to concentrated sulfuric acid, stirring, adding sodium nitrate with stirring, adding potassium permanganate, and dripping hydrogen peroxide during stirring, filtering, washing with aqueous hydrochloric acid and deionized water to obtain graphite oxide aqueous solution, ultrasonically processing the solution and drying to obtain graphene, mixing graphene and water to obtain a graphene suspension in which graphene is dispersed, adding the nano titanium dioxide to the graphene suspension, adding an ammonia solution while stirring, and controlling pH to obtain a graphene titania precursor solution, reacting the graphene titania precursor solution and tetrafluoroethylene in a sealed state, washing with distilled water and drying to obtain a dispersed graphene composite product, and baking in vacuum, dispersing the composite product in a resin solution to obtain graphene electroconductive paste, and bonding the graphene conductive paste to a substrate.