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    • 6. 发明授权
    • Process for producing carbon nanotube reinforced composite material
    • 生产碳纳米管增强复合材料的工艺
    • US07485678B2
    • 2009-02-03
    • US11088328
    • 2005-03-23
    • Toshiyuki OhashiKeiichi SatoKazuhiro Miura
    • Toshiyuki OhashiKeiichi SatoKazuhiro Miura
    • C08J3/20C08L101/00C08K7/24
    • C08J5/04B82Y30/00C08J3/2053C08J5/005C08K7/24D01F11/122
    • An object is to provide a process for producing a carbon nanotube (CNT) reinforced composite material, wherein CNT is homogeneously dispersed in a resin to obtain the composite material having an excellent mechanical strength. Hydrophilic CNTs 12 are dispersed in a first solvent 11 to prepare a first dispersion liquid 13. The dispersion liquid 13 and a synthetic resin raw material 15 are added to a second solvent 14 and the resulting mixture is stirred to prepare a third dispersion liquid 17 where a second dispersion liquid 16 in which the synthetic resin raw material 15 is dissolved in the dispersion liquid 13 is dispersed in the solvent 14. The solvents 11 and 14 are removed from the dispersion liquid 17 to obtain a mixture of the hydrophilic CNTs 12 and the synthetic resin raw material 15. The mixture is molded to obtain the composite material in which the synthetic resin is reinforced with the hydrophilic CNTs 12. The second solvent 14 has smaller solubility of the synthetic resin raw material 15 than that of the solvent 11, is substantially not compatible to the solvent 11, and has volume larger than that of the solvent 11. The dispersion liquid 17 is sprayed on a substrate and the solvents 11 and 14 are removed to obtain the mixture and simultaneously to conduct molding of the mixture.
    • 本发明的目的是提供一种碳纳米管(CNT)增强复合材料的制造方法,其中,CNT均匀地分散在树脂中,得到机械强度优异的复合材料。 将亲水性CNT 12分散在第一溶剂11中以制备第一分散液13.将分散液13和合成树脂原料15加入到第二溶剂14中,并将所得混合物搅拌以制备第三分散液17, 将合成树脂原料15溶解在分散液13中的第二分散液16分散在溶剂14中。从分散液17中除去溶剂11和14,得到亲水性CNT 12和 合成树脂原料15.将该混合物成形,得到合成树脂用亲水性CNT 12增强的复合材料。第二溶剂14的合成树脂原料15的溶解度比溶剂11的溶解度小,为 与溶剂11基本上不相容,并且体积大于溶剂11的体积。将分散液17喷涂在基材上,并将溶剂11和14 e去除以获得混合物并同时进行混合物的模制。