HIGH TRANSPARENT POLYESTER FILM WITH IMPROVED ADHESIVE PROPERTY
PURPOSE: Provided is a high transparent polyester film which has adhesive property to ink, a resin, and aluminum and which has excellent activity such as low coefficient of friction, by coating with double-adhesive layers containing water-dispersing acryl resin at one side while coating water-based...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | PURPOSE: Provided is a high transparent polyester film which has adhesive property to ink, a resin, and aluminum and which has excellent activity such as low coefficient of friction, by coating with double-adhesive layers containing water-dispersing acryl resin at one side while coating water-based acryl resin on the other side of the film. CONSTITUTION: A high transparent polyester film having improved adhesive property is composed of a polyester film layer as a substrate containing external particles of less than 50ppm, One side of the film layer is coated with a release layer containing water-dispersing acryl resin with a glass transition temperature of 20-40 deg.C in a thickness of 0.01-0.1g/m¬2 while the other side is coated by an activated layer composed of water-based acryl resin with another glass transition temperature of 10-30 deg.C and inorganic fine particles having a particle diameter of 0.03-0.5 micrometer or 0.1-20 weight parts of high fatty acid wax in a thickness of 0.01-0.05g/m¬2. |
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