• 专利标题:   Heat-conductive graphene far-infrared heating film, comprises conductive paste layer and insulating substrate, where conductive paste layer comprises graphene, water glass, terpilenol, lipid, and ethyl cellulose in specific weight parts.
  • 专利号:   CN110401990-A
  • 发明人:   CUI Q, WEI M
  • 专利权人:   BEIJING XIYAN TECHNOLOGY CO LTD
  • 国际专利分类:   H05B003/12, H05B003/14, H05B003/34
  • 专利详细信息:   CN110401990-A 01 Nov 2019 H05B-003/12 201990 Pages: 9 Chinese
  • 申请详细信息:   CN110401990-A CN10029424 13 Jan 2019
  • 优先权号:   CN10029424

▎ 摘  要

NOVELTY - A heat-conductive graphene far-infrared heating film comprises a conductive paste layer and an insulating substrate, where the conductive paste layer comprises 6-50 pts. wt. graphene, 30-45 pts. wt. water glass, 30-40 pts. wt. terpilenol, 10-20 pts. wt. lipid, 2-5 pts. wt. ethyl cellulose, 4-6 pts. wt. dispersant, 5-15 pts. wt. silicone oil, and 25-40 pts. wt. water. USE - Heat-conductive graphene far-infrared heating film. ADVANTAGE - The heat-conductive graphene far-infrared heating film has high-efficiency, better function of increasing the conversion efficiency of far infrared radiation, the electrothermal radiation conversion efficiency exceeds 80%, achieving a high heating rate and a high thermal conductivity of the electrothermal film, improving the flame retardant performance of the electric heating film, and is more safe and reliable. The conductive paste has a high adhesion and avoids detachment from the substrate. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing a heat-conductive graphene far-infrared heating film, which involves adding terpineol, lipid, ethyl cellulose, dispersant and silicone oil to a mixer and uniformly mixing to obtain a carrier, firstly adding graphene to the water to obtain a graphene aqueous solution, and adding the aqueous solution to a mixer for secondary stirring, uniformly mixing with the carrier, and finally adding water glass for three times to obtain the conductive paste, uniformly applying the electroconductive paste onto an insulating substrate by gravure printing or screen printing to obtain the finished product.