RELEASE FILM

PROBLEM TO BE SOLVED: To provide a release film which can satisfy both releasability and embeddability.SOLUTION: The release film 1 comprises a base layer 2 including a polyolefin resin and a polystyrene resin having a syndiotactic structure and a first release layer 3 configured on the upper surfac...

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Bibliographische Detailangaben
1. Verfasser:	TANIGUCHI YUTO
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a release film which can satisfy both releasability and embeddability.SOLUTION: The release film 1 comprises a base layer 2 including a polyolefin resin and a polystyrene resin having a syndiotactic structure and a first release layer 3 configured on the upper surface of the base layer 2 and constituted by a resin material including a polystyrene resin having a syndiotactic structure as a main component. This release film 1 yields tensile storage moduli E' of 1.0×10-5.0×10Pa at 120°C and 1.0×10-1.0×10Pa at 170°C as measured in compliance with the test method stipulated by JIS K 7244 under the following conditions: specimen length: 40 mm; width: 4 mm; specimen length between clamps: 20 mm; measurement initiation temperature: 25°C; measurement completion temperature: 250°C; temperature elevation rate: 5°C/min; and measurement frequency: 1 Hz.