• 专利标题:   Preparing graphene metal heat conducting gasket useful for light emitting diode illuminating lamp comprises e.g. dispersing the graphene oxide in the solvent, graphene oxide in the dispersion and modified agent surface treatment.
  • 专利号:   CN106813226-A, CN106813226-B
  • 发明人:   LIN J, HUANG Y, CHEN W, YE E, ZHANG X
  • 专利权人:   SHENZHEN YAHAM OPTOELECTRONICS CO LTD
  • 国际专利分类:   C09K005/06, C25D011/02, F21V029/85, F21Y115/10
  • 专利详细信息:   CN106813226-A 09 Jun 2017 F21V-029/85 201757 Pages: 8 Chinese
  • 申请详细信息:   CN106813226-A CN11260601 30 Dec 2016
  • 优先权号:   CN11260601

▎ 摘  要

NOVELTY - Preparing graphene metal heat conducting gasket comprises e.g. dispersing the graphene oxide in the solvent, graphene oxide in the dispersion of quality-volume concentration is 5-20 mg/ml, and the modified agent surface treatment, taking the graphene and the graphene oxide dispersion liquid to be acidic, taking the foam metal by electrochemical oxidation, the surface of foam metal to form an oxide layer, preparing grapheme-loaded foam metal to the graphene oxide dispersion liquid and reducing agent to prepare the mixed solution according to the mass ratio of 1:0.2-2. USE - The heat conducting gasket is useful for light emitting diode (LED) illuminating lamp with high power. ADVANTAGE - The heat conducting gasket is high thermal conductivity. DETAILED DESCRIPTION - Preparing graphene metal heat conducting gasket comprises (i) dispersing the graphene oxide in the solvent, graphene oxide in the dispersion of quality-volume concentration is 5-20 mg/ml, and the modified agent surface treatment, taking the graphene and the graphene oxide dispersion liquid to be acidic, (ii) taking the foam metal by electrochemical oxidation, the surface of foam metal to form an oxide layer, (iii) preparing grapheme-loaded foam metal to the graphene oxide dispersion liquid and reducing agent to prepare the mixed solution according to the mass ratio of 1:0.2-2, dipping the pre-treated foam metal in the mixed solution, sealing for 0.5-5 hours at 80-350 degrees C to obtain the graphene load of foam metal, and (iv) filling the heat conducting gasket preparation graphene load of foam metal paste heat conducting material, where the heat conducting material to perform a curing treatment, pressing the foam metal is filling with heat conducting material loaded with graphene, obtaining graphene metal heat conducting gasket.