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  • 专利标题:   Preparation of graphene-reinforced polyethylene terephthalate used in e.g. packaging applications, involves compounding polyethylene terephthalate with graphene nanoplatelets to form preset amount of nanocomposites of resultant mixture.
  • 专利号:   WO2016149550-A1, US2017009046-A1, US2017081482-A1, AU2016232854-A1, CA2980971-A1, IN201717032834-A, KR2017130466-A, EP3271417-A1, CN107849292-A, JP2018510258-W, US9957360-B2, US2018215881-A1, MX2017011941-A1, EP3271417-A4
  • 发明人:   HANAN J C, BANDLA S
  • 专利权人:   NIAGARA BOTTLING LLC, HANAN J C, BANDLA S, NIAGARA BOTTLING LLC, HANAN J, BANDLA S, NIAGARA BOTTLING LLC
  • 国际专利分类:   B29C045/00, C08K003/04, B29B007/20, B29B007/22, C08J003/22, C08J003/28, C08J005/00, B29B007/90, B29B009/12, B29C047/00, C08L067/02, B29B007/48, B29C045/77, C08J005/04, C08G018/08
  • 专利详细信息:   WO2016149550-A1 22 Sep 2016 C08K-003/04 201667 Pages: 101 English
  • 申请详细信息:   WO2016149550-A1 WOUS022965 17 Mar 2016
  • 优先权号:   US134482P, US190193P, US073477, WOUS022965, US203668, CA2980971, US937670

▎ 摘　　要

NOVELTY - Preparation of graphene-reinforced polyethylene terephthalate involves compounding polyethylene terephthalate with dispersed graphene nanoplatelets to obtain masterbatch pellets, and forming polyethylene terephthalate-graphene nanoplatelet nanocomposites. The polyethylene terephthalate-graphene nanoplatelet nanocomposites are present in an amount of 0.5-15 wt.%. USE - Preparation of graphene-reinforced polyethylene terephthalate used in e.g. packaging, protective apparel, automotive, filtration, thermoforming and aerospace applications. ADVANTAGE - The graphene-reinforced polyethylene terephthalate prepared using the method has excellent mechanical strength, thermal resistance, electrical resistance, flame retardation, optical properties, and surface properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for an injection molded composition, which comprises polyethylene terephthalate-graphene nanoplatelet nanocomposites that are formed using masterbatch pellets which are melt-compounded using a combination of twin-screw and ultrasound-assisted compounding techniques. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of an ultrasound assisted twin-screw extrusion system.