Laminate of aramid paper sheet and polyimide film and method for producing same
AssigneeDupont Teijin Advanced Papers (Japan), Ltd.
InventorsKoichi UKIGAYA, Tatsushi FUJIMORI, Shinji NARUSE, Chihiro KONDO, Yasunori TANAKA
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Abstract
Provided is a method for producing a laminate, comprising laminating an aramid paper sheet and a polyimide film together by performing heating and pressurizing process under conditions of a temperature of 275 to 320° C. and a pressure of 50 to 400 kgf/cm. In the present invention, an aramid paper sheet-polyimide film laminate with excellent heat resistance, electrical properties, chemical resistance, mechanical properties, and the like can be manufactured by laminating the aramid paper sheet and the polyimide film in a simple method without impairing their properties.
Claims11
A method for producing a laminate, which comprises laminating an aramid paper sheet and a polyimide film together by performing a heating and pressurizing process under conditions of a temperature of 275 to 320° C. and a pressure of 50 to 400 kgf/cm.
A laminate formed by performing a heating and pressurizing process on an aramid paper sheet and a polyimide film under conditions of a temperature of 275 to 320° C. and a pressure of 50 to 400 kgf/cm.
Dependencies are inferred from the claim text.