• 专利标题:   Preparation of graphene amino resin by adding formaldehyde aqueous solution and melamine in reaction kettle, regulating pH, raising temperature, adding methanol, regulating pH, raising temperature, regulating pH and vacuum distilling.
  • 专利号:   CN105646809-A
  • 发明人:   WANG Z, ZHU J, CHEN X
  • 专利权人:   ZHEJIANG XINHUA NEW MATERIAL TECHNOLOGY
  • 国际专利分类:   B01J019/00, B01J019/18, C08G012/32, C08K003/04, C09D161/28
  • 专利详细信息:   CN105646809-A 08 Jun 2016 C08G-012/32 201675 Pages: 18 Chinese
  • 申请详细信息:   CN105646809-A CN10017395 12 Jan 2016
  • 优先权号:   CN10017395

▎ 摘  要

NOVELTY - Preparation of graphene amino resin includes adding 37 vol.% formaldehyde aqueous solution and melamine in a reaction kettle, regulating the pH, raising temperature, adding methanol having a concentration of 90 vol.%, regulating pH, raising temperature, regulating pH, heating, vacuum distilling, adding methanol having concentration of 95 vol.%, adjusting pH, raising temperature, regulating pH, raising the temperature, vacuum distilling, adding graphene and ultrasonically mixing. USE - Preparation of graphene amino resin (claimed). ADVANTAGE - The method uses a device, which has good isolation effect, prevents large particles from entering the container, and does not generate idle phenomenon of stirring blade. DETAILED DESCRIPTION - Preparation of graphene amino resin comprises adding 5800 kg of 37 vol.% formaldehyde aqueous solution and 750 kg melamine in a reaction kettle, regulating the pH at 9-9.5, raising temperature to 76 degrees C, keeping the temperature for 3 hours, adding 3700 kg methanol having a concentration of 90 vol.%, regulating pH at 3.5-4, raising temperature to 40-48 degrees C, keeping the temperature for 0.5 hour, regulating pH at 8.5-9, heating at 90 degrees C, vacuum distilling for 4 hours, adding 2200 kg methanol having concentration of 95 vol.%, adjusting pH at 3.5-4, raising temperature to 40-48 degrees C, keeping the temperature for 0.5 hour, regulating pH at 8.5-9, raising the temperature to 120 degrees C, vacuum distilling for 8 hours, adding 5 mass% (based on the total mass) graphene and ultrasonically mixing. An INDEPENDENT CLAIM is included for graphene amino resin preparation device comprising container, stirrer, which comprises rotating shaft connected with multiple stirring blades, each provided with slide bushing, and electrical machine, which has wiring terminal, where container is provided with feedstock port having filtering plate and separate damping feet comprising upper section and lower section, and where upper section is provided with damping spring, connecting ring having internal ring connected with connecting pin, and rubber ring.