• 专利标题:   Graphene oxide grafted phosphorus maleic acid flame retardant additives comprises e.g. rubber-plastic composite elastomer, graphene oxide composite flame retardant, polylactic acid and zinc stearate.
  • 专利号:   CN111303616-A
  • 发明人:   ZHENG Y, CAO A, YU W
  • 专利权人:   UNIV FUZHOU
  • 国际专利分类:   C08K013/06, C08K003/04, C08K003/26, C08K005/5313, C08K007/26, C08K009/02, C08K009/04, C08L067/04, C08L075/04
  • 专利详细信息:   CN111303616-A 19 Jun 2020 C08L-075/04 202059 Pages: 10 Chinese
  • 申请详细信息:   CN111303616-A CN10320971 22 Apr 2020
  • 优先权号:   CN10320971

▎ 摘  要

NOVELTY - Graphene oxide grafted phosphorus maleic acid flame retardant additives comprises 100 pts. wt. rubber-plastic composite elastomer, 55-90 pts. wt. composite inorganic filler, 10-30 pts. wt. graphene oxide composite flame retardant, 5-10 pts. wt. polylactic acid, 1-2 pts. wt. Y - aminopropyl triethoxysilane or Y glycidyl ether oxypropyl trimethoxysilane and 1-2 pts. wt. zinc stearate. USE - Used as graphene oxide grafted phosphorus maleic acid flame retardant additives. ADVANTAGE - The additive has good processing effect, high toughness, good flame retardant effect, high tensile strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing graphene oxide grafted phosphorus-containing maleic acid flame retardant additives comprising (1) mixing 30 pts. wt. thermoplastic polyurethane elastomer and 5-10 pts. wt. polylactic acid, and drying in an oven at 80 degrees C for 4 hours, (2) mixing the above mixed materials with the remaining 70 pts. wt. rubber and plastic materials and 5-10 pts. wt. activated fly ash, 1-2 pts. wt. Y-aminopropyltriethoxysilane or Y-glycidyl ether oxypropyltrimethoxysilane was added dropwise within 2 minutes with a plastic dropper while stirring, (3) adding 50-80 pts. wt. calcium carbonate, 10-30 pts. wt. graphene oxide composite flame retardant and 1-2 pts. wt. zinc stearate and mixing for 5 minutes in a high-speed mixer and (4) extruding the mixed composite material in a twin-screw extruder at 160-185 degrees C, rotation speed is 30-60 revolutions per minute and the pellet is cooled by water cooling.