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    • 6. 发明申请
    • GRAPHENE REINFORCED POLYETHYLENE TEREPHTHALATE
    • 石墨增强聚乙烯泰勒醋酸酯
    • WO2017007568A1
    • 2017-01-12
    • PCT/US2016/036748
    • 2016-06-09
    • NIAGARA BOTTLING, LLCHANAN, Jay, ClarkeSHABAFROOZ, VahidBANDLA, Sudheer
    • HANAN, Jay, ClarkeSHABAFROOZ, VahidBANDLA, Sudheer
    • C07C69/82C08K3/04B29C45/00B01F3/00B01F11/02C08G63/86C08G63/83
    • C08K3/04C08K3/042C08K2201/006C08K2201/011C08L67/02
    • A composition and a method are provided for graphene reinforced polyethylene terephthalate (PET). Graphene nanoplatelets comprising a suitable initial surface area are added to a solvent for producing PET. In some embodiments, the solvent comprises ethylene glycol. The solvent and graphene nanoplatelets are sonicated to disperse the nanoplatelets within the solvent. The solvent and graphene nanoplatelets are centrifuged to remove nanoplatelet agglomerates within the solvent. A supernatant solution of dispersed graphene nanoplatelets and solvent is decanted and then used for in-situ polymerization of the graphene reinforced PET comprising a continuous matrix of PET with a dispersed graphene reinforcement phase. The graphene reinforcements comprise a minimal number of layers of two-dimensional mono-atomic carbon sheets. In some embodiments, the number of layers ranges between 1 layer and 7 layers. The graphene reinforced PET preferably comprises a concentration of graphene nanoplatelets being less than substantially 2% weight fraction of the graphene reinforced PET.
    • 提供了用于石墨烯增强聚对苯二甲酸乙二醇酯(PET)的组合物和方法。 将包含合适的初始表面积的石墨烯纳米片加入用于生产PET的溶剂中。 在一些实施方案中,溶剂包括乙二醇。 将溶剂和石墨烯纳米片超声处理以将纳米片分散在溶剂中。 将溶剂和石墨烯纳米血小板离心以除去溶剂中的纳米血小板聚集体。 将分散的石墨烯纳米片和溶剂的上清溶液倾析,然后用于石墨烯增强PET的原位聚合,所述石墨烯增强PET包含具有分散的石墨烯强化相的PET的连续基质。 石墨烯增强物包含最小数量的二维单原子碳层的层。 在一些实施例中,层的数量范围在1层和7层之间。 石墨烯增强的PET优选地包括石墨烯纳米片的浓度小于石墨烯增强PET的基本上2%重量份数。