• 专利标题:   Material useful in preparing PBT modified plastic for electronic appliance component, comprises e.g. polybutylene terephthalate, polyolefin elastomer, aluminum borate whiskers, alkali-free glass fiber, inorganic nanoparticles, zirconium hydrogen phosphate and magnesium sulfate flame retardant.
  • 专利号:   CN114672143-A
  • 发明人:   LAN F, MA Y, LI W
  • 专利权人:   JIANGXI GUKANG NEW MATERIAL CO LTD
  • 国际专利分类:   C08K003/04, C08K003/22, C08K003/30, C08K003/32, C08K003/36, C08K003/38, C08K007/08, C08K007/14, C08L023/00, C08L067/02
  • 专利详细信息:   CN114672143-A 28 Jun 2022 C08L-067/02 202290 Chinese
  • 申请详细信息:   CN114672143-A CN10441958 26 Apr 2022
  • 优先权号:   CN10441958

▎ 摘  要

NOVELTY - Material comprises 60-70 pts. wt. polybutylene terephthalate, 10-15 pts. wt. polyolefin elastomer, 2-10 pts. wt. aluminum borate whiskers, 10-15 pts. wt. alkali-free glass fiber, 2-5 pts. wt. inorganic nanoparticles, 8-10 pts. wt. zirconium hydrogen phosphate, 5-10 pts. wt. magnesium sulfate flame retardant, 5-6 pts. wt. graphene oxide solution, 1-3 pts. wt. flame retardant synergist, 2-5 pts. wt. nucleating agent, 0.5-1 pts. wt. antioxidant, and 2-5 pts. wt. compatibilizer. USE - The material is useful in preparing PBT modified plastic for electronic appliance component i.e. automobile. ADVANTAGE - The material has excellent flame retardancy, strength and toughness, and high thermal deformation temperature. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparing material, comprising (i) mixing and adding polybutylene terephthalate, polyolefin elastomer, zirconium hydrogen phosphate, magnesium sulfate flame retardant, graphene oxide solution, flame retardant synergist, nucleating agent, antioxidant, and compatibilizer in high-speed mixer and stirring for 5-30 minutes to obtain a mixture, (ii) dispersing aluminum borate whiskers, alkali-free glass fibers, and inorganic nanoparticles in pure water by ultrasonic vibration to obtain suspension, and (iii) injecting gained suspension into twin-screw extruder by liquid feed pump, blending with mixture of gained, evaporating water, extruding and granulating at 180-220℃, under pressure of 2-3 MPa, and screw speed of 180-600 revolutions/minutes.