Matt polyimide composite film

The utility model relates to a matt polyimide composite film consisting of matt polyimide films and a composite reinforcement layer, wherein the two layers of matt polyimide films are arranged, the composite reinforcement layer is sandwiched between the two layers of matt polyimide films, each matt...

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Bibliographic Details
Main Author LI XIANGNAN
Format Patent
LanguageEnglish
Published 22.07.2015
Subjects
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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Summary:The utility model relates to a matt polyimide composite film consisting of matt polyimide films and a composite reinforcement layer, wherein the two layers of matt polyimide films are arranged, the composite reinforcement layer is sandwiched between the two layers of matt polyimide films, each matt polyimide film comprises a black coloring agent, the composite reinforcement layer comprises at least one layer composed of thermosetting polyimide resin and composite fibers, the composite fibers have a skin-core structure, the core layer is composed of inorganic fibers, and the skin layer is formed by the thermosetting polyimide resin. The matt polyimide composite film provided by the utility model has the advantages of high interfacial adhesion strength, excellent bending resistance, difficulty in warping and the like, and meanwhile has a circuit shielding effect, so that the matt polyimide composite film is especially suitable for protecting electronic products of circuit patterns.
Bibliography:Application Number: CN20152112796U