DOUBLE-SIDE RELEASE FILM

PROBLEM TO BE SOLVED: To provide a double-side release film capable of being suitably used as a carrier film stable in peel force over a long period of time and making it possible to produce a ceramic sheet, an electrode sheet or a resin sheet with high precision and good handleability. SOLUTION: Th...

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1. Verfasser: NISHIYAMA KIMINORI
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creator NISHIYAMA KIMINORI
description PROBLEM TO BE SOLVED: To provide a double-side release film capable of being suitably used as a carrier film stable in peel force over a long period of time and making it possible to produce a ceramic sheet, an electrode sheet or a resin sheet with high precision and good handleability. SOLUTION: The double-side release film is composed of a polyester film, the heavy peel silicone release layer provided on one side thereof and the light peel silicone release layer provided on the other surface of the film. The peel force of this double-side release film, which is preserved in an environment with a humidity of 80% at 60°C for four weeks after the heavy peel silicone release layer and the light peel silicone release layer are formed, satisfies the formula: 1.3
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SOLUTION: The double-side release film is composed of a polyester film, the heavy peel silicone release layer provided on one side thereof and the light peel silicone release layer provided on the other surface of the film. The peel force of this double-side release film, which is preserved in an environment with a humidity of 80% at 60°C for four weeks after the heavy peel silicone release layer and the light peel silicone release layer are formed, satisfies the formula: 1.3&lt;F1/F2≤10.0 (wherein F1 is the peel force of the surface of the heavy peel silicone release layer and F2 is the peel force of the surface of the light peel silicone release layer) and the residual adhesion ratio thereof is 85% or above. 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subjects LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
TRANSPORTING
WORKING CEMENT, CLAY, OR STONE
title DOUBLE-SIDE RELEASE FILM
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