Conductive belt, method of producing same, and image-forming apparatus having same
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United States of America Patent
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Jun 22, 2010
Grant Date -
Feb 14, 2008
app pub date -
Jul 11, 2007
filing date -
Aug 11, 2006
priority date (Note) -
Expired
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Abstract
A method of producing a conductive belt composed of a base resin containing polybutylene naphthalate resin at not less than 50 mass % nor more than 100 mass % and 1 to 3 mass % of carbon nano-fibers having a DBP oil absorption amount at not less than 150 ml/100 g. The method includes the steps of forming a conductive master batch by mixing the carbon nano-fibers with resin for use in a master batch containing the polybutylene naphthalate resin; mixing the obtained conductive master batch and resin for blending use containing the polybutylene naphthalate resin and not containing the carbon nano-fibers with each other in an unmelted state by setting a mixing mass ratio of the conductive master batch smaller than that of the resin for blending use; and meltingly molding an obtained mixture by an extrusion molder.
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