• 专利标题:   Preparing graphene modified glass sheet comprises e.g. adding graphite powder in methyl benzene sulfonic acid solution, sealing with glass bottle and carrying out ultrasonic dispersion, placing suspension in a centrifuge.
  • 专利号:   CN108840328-A
  • 发明人:   WANG F
  • 专利权人:   SUZHOU HONGJIU AIR HEAT SHIELDING MATERI
  • 国际专利分类:   C01B032/194, C03C006/02, C03B019/09
  • 专利详细信息:   CN108840328-A 20 Nov 2018 C01B-032/194 201881 Pages: 5 Chinese
  • 申请详细信息:   CN108840328-A CN10947030 20 Aug 2018
  • 优先权号:   CN10947030

▎ 摘  要

NOVELTY - Preparing graphene modified glass sheet comprises (1) adding graphite powder in methyl benzene sulfonic acid solution, sealing with glass bottle and carrying out ultrasonic dispersion, placing suspension in a centrifuge, vibrating fully to obtain graphene solution, (2) adding glass powder into de-ionized water, fully stirring in the magnetic stirrer to obtain the glass powder suspension, (3) mixing the graphene solution and glass powder suspension, the graphene 0.5-5% the mass of glass powder, adding into planetary ball mill, fully ball milling under the protection of vacuum or inert gas to obtain graphene glass powder mixed liquid, (4) adding graphene glass powder mixed liquid, adding enough deionized water, preparing a filter membrane to filter the solution, using the powder particles obtained by filtering, washing with deionized water, filtering, repeating for 3-8 times, adjusting the pH value of filtering liquid reaches 7. USE - The method is useful for preparing graphene modified glass sheet. ADVANTAGE - The glass sheet improves the dispersion uniformity and purity of the graphene, has electric conductivity, thermal conductivity and antiultraviolet performance. DETAILED DESCRIPTION - Preparing graphene modified glass sheet comprises (1) adding graphite powder in methyl benzene sulfonic acid solution, sealing with glass bottle and carrying out ultrasonic dispersion, placing suspension in a centrifuge, vibrating fully to obtain graphene solution, (2) adding glass powder into de-ionized water, fully stirring in the magnetic stirrer to obtain the glass powder suspension, (3) mixing the graphene solution and glass powder suspension, the graphene 0.5-5% the mass of glass powder, adding into planetary ball mill, fully ball milling under the protection of vacuum or inert gas to obtain graphene glass powder mixed liquid, (4) adding graphene glass powder mixed liquid, adding enough deionized water, preparing a filter membrane to filter the solution, using the powder particles obtained by filtering, washing with deionized water, filtering, repeating for 3-8 times, adjusting the pH value of filtering liquid reaches 7, (5) using obtained powder, adding into vacuum oven, heating till the water is completely dry, heating to remove the residual methyl benzene sulfonic acid to obtain graphene glass composite powder, (6) adding graphene glass composite powder in the vacuum hot pressing furnace in the mold under the vacuum environment for heating the glass above the melting point at a high temperature in a short time for a long time at low temperature, the pressure is set to be 20-60 MPa, fully sintering, cooling with the furnace to the room temperature to obtain the graphene modified glass sheet.