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    • 1. 发明申请
    • FILM FOR FILM CAPACITOR
    • 电影电容胶片
    • US20120094070A1
    • 2012-04-19
    • US12973753
    • 2010-12-20
    • Kazuhiro SUZUKIKenro TakizawaMasaru YoneyamaJunya Ishida
    • Kazuhiro SUZUKIKenro TakizawaMasaru YoneyamaJunya Ishida
    • B32B3/00
    • H01G4/18C08J5/18C08J2379/08Y10T428/24355
    • A film for film capacitors having a thickness of 10 microns or less, wherein the film has surface properties of (Ra) of 0.2 microns or less, (Rz/Ra) of 10 or less and a dynamic friction coefficient of 1.5 or less, where (Ra) is an arithmetic average roughness and (Rz) is a maximum height defined both by the method specified in JIS B 0601 2001. The film can be manufactured by the successive steps of: mixing and preparing a forming material composed of a thermoplastic resin composition; melting and extruding the forming material to a film through a T-die; pinching and cooling the film between a pressure roll and a cooling roll having a rough surface for forming a rough surface to the film; and rolling up the cooled film onto a winding tube in a winding unit.
    • 一种薄膜电容器薄膜,其厚度为10微米或更小,其中该薄膜的表面特性为(Ra)为0.2微米或更小,(Rz / Ra)为10或更小,动摩擦系数为1.5或更小,其中 (Ra)是算术平均粗糙度,(Rz)是通过JIS B 0601 2001中规定的方法限定的最大高度。该膜可以通过以下连续步骤制造:混合和制备由热塑性树脂 组成; 通过T型模头将成形材料熔融并挤出成膜; 在具有用于形成粗糙表面的粗糙表面的压力辊和冷却辊之间夹持和冷却所述膜; 并将冷却的膜卷绕到卷绕单元中的卷绕管上。