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    • 4. 发明授权
    • Method of manufacturing transparent conductive film containing carbon nanotubes and binder, and transparent conductive film manufactured thereby
    • 制造含有碳纳米管和粘合剂的透明导电膜的制造方法以及由此制造的透明导电膜
    • US08637122B2
    • 2014-01-28
    • US11950336
    • 2007-12-04
    • Geon-Woong LeeJoong Tak HanJong Seok WooSun Young Kim
    • Geon-Woong LeeJoong Tak HanJong Seok WooSun Young Kim
    • B05D5/12B05D1/12B05D3/02B05D3/00B29C71/02
    • H01B1/24C08K3/041C09D163/00C09D163/10Y10T428/25
    • This invention relates to a method of manufacturing a transparent conductive film containing carbon nanotubes and a binder, in which the carbon nanotubes are subjected to acid treatment, dispersion in a solvent, mixing with the binder, and application on the substrate, and to a transparent conductive film manufactured thereby. The method includes subjecting carbon nanotubes having an outer diameter of less than 15 nm to acid treatment to thus purify and surface functionalize them, followed by dispersing the treated carbon nanotubes in a solvent along with the binder, or mixing a carbon nanotube solution using a polar or nonpolar solvent with a binder solution, and applying the mixture on the substrate. Through the application of the mixture of treated carbon nanotubes and binder on the substrate, the transparent conductive film has improved transparency, electrical conductivity, dispersibility, substrate adhesiveness, chemical stability, durability and scratch resistance, and can be applied to various substrates, including hard or flexible substrates, thanks to high substrate adhesiveness and applicability. A solution in which the surface functionalized carbon nanotubes are well dispersed is prepared, thus facilitating the manufacture of the film using various materials and generating economic benefits.
    • 本发明涉及一种制造含有碳纳米管和粘合剂的透明导电膜的方法,其中碳纳米管经受酸处理,在溶剂中分散,与粘合剂混合,并施加在基材上, 由此制造导电膜。 该方法包括使外径小于15nm的碳纳米管进行酸处理,从而净化和表面官能化,然后将处理过的碳纳米管与粘合剂一起分散在溶剂中,或者使用极性混合碳纳米管溶液 或非极性溶剂与粘合剂溶液混合,并将该混合物施加在基材上。 通过将处理后的碳纳米管和粘合剂的混合物应用于基板,透明导电膜的透明性,导电性,分散性,基板粘合性,化学稳定性,耐久性和耐划伤性提高,可以应用于各种基材,包括硬 或柔性基板,由于高的基材粘合性和适用性。 制备表面官能化碳纳米管良好分散的溶液,从而便于使用各种材料制造薄膜并产生经济效益。