• 专利标题:   High temperature-resistant nylon graphene composite material comprises nylon salt, graphene oxide, organic nano-sized montmorillonite, expanded graphite, silane coupling agent, nano-carbon sol and nano titanium dioxide.
  • 专利号:   CN107868458-A
  • 发明人:   SU Z, CHEN X
  • 专利权人:   HENAN ZHILIAN HUANYU INTELLECTUAL PROPER
  • 国际专利分类:   C08L077/06, C08K013/06, C08K003/34, C08K003/04, C08K007/24, C08K003/22
  • 专利详细信息:   CN107868458-A 03 Apr 2018 C08L-077/06 201829 Pages: 7 Chinese
  • 申请详细信息:   CN107868458-A CN10859041 28 Sep 2016
  • 优先权号:   CN10859041

▎ 摘  要

NOVELTY - High temperature-resistant nylon graphene composite material comprises 95-105 pts. wt. nylon salt, 2-10 pts. wt. graphene oxide, 2-6 pts. wt. organic nano-sized montmorillonite, 3-8 pts. wt. expanded graphite, 2-6 pts. wt. silane coupling agent KH560, 1-4 pts. wt. 20-25% solid content nano-carbon sol, 1-4 pts. wt. nano titanium dioxide, 1-3 pts. wt. talc, 2-5 pts. wt. wollastonite, 0.2-1 pts. wt. blocking agent, 0.1-0.6 pts. wt. 6-aminocaproic acid and 40-70 pts. wt. de-ionized water. USE - Used as high temperature-resistant nylon graphene composite material. ADVANTAGE - The material: is high temperature resistant; flame retardant, heat resistant and has mechanical properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing high temperature resistant nylon-graphene composite material comprising (1) weighing each component according to the proportion, then mixing the nylon salt, graphene oxide, blocking agent and 6-aminocaproic acid, and carrying out ultrasonic dispersing for 1-3 hours at 50-85 degrees C to form a premix and adding the premix into high pressure reaction kettle, (2) adding 20-25% solid content nano-carbon sol, organic nano montmorillonite, expandable graphite, KH560 silane coupling agent, nano titanium dioxide, talc and wollastonite and carrying out ultrasonic stirring by adding de-ionized water, adding into the reaction kettle, (3) replacing the air with nitrogen in the reaction kettle for 3 times, and introducing nitrogen as reaction gas, heating to 160-260 degrees C at pressure of 2-3.5 MPa by releasing water vapor in the reaction kettle, maintaining constant pressure reaction time for 1-3 hours, and maintaining the pressure in the reactor pressure to normal pressure, discharging, and maintaining the temperature in the kettle during reaction process not greater than 280 degrees C.