Transparent conductive film and coating composition therefor
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United States of America Patent
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Issued Date -
Nov 23, 2006
app pub date -
Feb 28, 2006
filing date -
Apr 28, 2005
priority date (Note) -
Abandoned
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Abstract
The disclosed is a transparent conductive film that includes a matrix and carbon fibrous structures added to the matrix, wherein the carbon fibrous structures comprise carbon fibers, each having an outside diameter of 15-100 nm, and wherein the carbon fibrous structures each comprise a granular part at which two or more carbon fibers are bound to each other, and wherein the granular part is concurrently produced in a growth process for the carbon fibers. When the transparent conductive film is formed at a thickness of 0.1-5 .mu.m on a glass substrate, it shows a surface resistivity of not more than 1.0.times.10.sup.12.OMEGA./.quadrature., and a total light transmittance of not less than 30%. A coating composition for the conductive transparent film is prepared by using a media mill equipped with beads having an average diameter of 0.05-1.5 mm to disperse the carbon fibrous structures into the liquid resinous composition.
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