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    • 9. 发明申请
    • PROCESS FOR PRODUCING GRAPHENE-POLYMER NANOCOMPOSITES
    • 生产石墨聚合物纳米复合材料的方法
    • US20150129809A1
    • 2015-05-14
    • US14381390
    • 2013-02-25
    • SOLVAY SA
    • Fernand GauthyAldo SanguinetiFiorenza D'AprilePatrizia D'Orazio
    • B01D71/34H01B1/24
    • B01D71/34B82Y30/00C08J3/02C08J3/07C08K3/042H01B1/24C08L27/12
    • The present invention pertains to a process for producing a composition comprising graphene and at least one polymer, and especially for producing a graphene-filled polymer nanocomposite. Specifically, the present invention resides in a process for manufacturing a composition comprising graphene and at least one polymer, the process comprising the steps of: (i) providing an aqueous suspension of graphene [dispersion (G)]; (ii) mixing the dispersion (G) with an aqueous polymer latex to obtain a liquid mixture [mixture (M)]; and (iii) co-coagulating the mixture (M) to obtain said composition. The graphene-filled polymer nanocomposites made by the process of the present invention have advantageously shown excellent barrier properties, indicating a nearly homogenous and sufficiently scattered filler distribution in the base polymer.
    • 本发明涉及一种制备包含石墨烯和至少一种聚合物,特别是用于生产石墨烯填充的聚合物纳米复合材料的组合物的方法。 具体地说,本发明涉及制造包含石墨烯和至少一种聚合物的组合物的方法,该方法包括以下步骤:(i)提供石墨烯[分散体(G)]的水性悬浮液; (ii)将分散体(G)与聚合物水乳液混合,得到液体混合物[混合物(M)]; 和(iii)使混合物(M)共混以获得所述组合物。 通过本发明的方法制备的富含石墨烯的聚合物纳米复合材料有利地显示出优异的阻挡性能,表明在基础聚合物中几乎均匀且充分散布的填料分布。