MULTILAYER POLYESTER FILM

PROBLEM TO BE SOLVED: To provide a useful polyester film which is excellent in visibility such as transparency, image sharpness, etc. when used as a base film for a transparent conductive film of touch panel display member, and is also excellent in improving coiling property around a roll, damage pr...

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Bibliographic Details
Main Authors YONEDA ISAO, UENO TOMOHISA
Format Patent
LanguageEnglish
Published 04.02.2013
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a useful polyester film which is excellent in visibility such as transparency, image sharpness, etc. when used as a base film for a transparent conductive film of touch panel display member, and is also excellent in improving coiling property around a roll, damage prevention, workability, and productivity.SOLUTION: The multilayer polyester film has a polyester layer with two or more kinds of inert particles in at least one side of a polyester base layer, wherein the multilayer polyester film has 400/mmor more projections of 0.05-0.2 μm projection height in its polyester layer surface, 100/mor less foreign objects of 10-100 μm in the multilayer polyester film and is 2.0% or less in haze.
Bibliography:Application Number: JP20110157296