RELEASE FILM, METHOD FOR PRODUCING THE SAME AND APPLICATION THEREFOR

PROBLEM TO BE SOLVED: To provide a release film having excellent releasing properties to an object to be transferred.SOLUTION: A release layer is formed by applying a releasing agent which contains a cyclic olefin-based resin as a solid principal ingredient and contains at least one higher fatty aci...

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Bibliographische Detailangaben
Hauptverfasser:	SUMIDA KATSUHIKO, NISHIMURA KYO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a release film having excellent releasing properties to an object to be transferred.SOLUTION: A release layer is formed by applying a releasing agent which contains a cyclic olefin-based resin as a solid principal ingredient and contains at least one higher fatty acid-based releasing agent selected from a polyhydric alcohol higher fatty acid ester and a higher fatty acid amide on at least one surface of a substrate film. The cyclic olefin-based resin may be a copolymer of a di- to hexa-cyclic olefin and an α-chain Colefin. The polyhydric alcohol higher fatty acid ester may be a glycerin saturated fatty acid ester, a pentaerythritol saturated fatty acid ester, a dipentaerythritol saturated fatty acid ester or the like. The ratio of the higher fatty acid-based releasing agent is approximately 0.01 to 20 pts.wt. based on 100 pts.wt. of the cyclic olefin-based resin.