Optical film comprising primer layer containing polyester resin and polarizing plate using same

The present invention relates to an optical film including: a base material film; and a primer layer containing a polyester resin and water-dispersible minute particulates on at least one surface of the base material film and having a refractive index difference of 0.03 or less from the base materia...

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Bibliographische Detailangaben
Hauptverfasser:	Lim, Yi-Rang, Park, Jun-Wuk, Kim, Kyoung-Won, Shim, Hwa-Sub
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to an optical film including: a base material film; and a primer layer containing a polyester resin and water-dispersible minute particulates on at least one surface of the base material film and having a refractive index difference of 0.03 or less from the base material film, in which the polyester resin includes polyester glycol formed by a reaction of polybasic acid including an aromatic carboxylic acid compound and an aliphatic carboxylic acid compound at a mole ratio of 1:9 to 9:1 and polyol, adhesion force between the optical film and a functional coating layer is excellent, and a rainbow phenomenon is reduced and an optical property is excellent due to a small refractive index difference.