Graphite laminated body
AssigneesDu Pont-Toray Co., Ltd., Panasonic Corporation
InventorsNaofumi Yasuda, Noriko Toida, Naomi Nishiki, Kazuhiro Nishikawa
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Abstract
Provided is a graphite laminated body having excellent properties such as excellent mechanical properties, excellent heat resistance, and excellent thermal conductivity. In particular, provided is a graphite laminated body comprising a graphite film, a non-thermoplastic polyimide film, and an adhesive layer for bonding the graphite film to the non-thermoplastic polyimide film, the adhesive layer being made of a thermoplastic polyimide or a fluororesin.
Claims18
A graphite laminated body comprising a graphite film, a first non-thermoplastic polyimide film which is bonded on one side of the graphite film, a first adhesive layer bonding the graphite film to the first non-thermoplastic polyimide film, a second non-thermoplastic polyimide film which is bonded on the other side of the graphite film, and a second adhesive layer bonding the graphite film to the second non-thermoplastic polyimide film, wherein the graphite film consists of graphite, wherein the first and second adhesive layers are made of a fluororesin, have a contact angle with water of 90 to 120 degrees, have a thickness of 12.5 to 70 μm, and have a melt flow rate of 40 g/10 min. or less, wherein the first and second adhesive layers are in direct contact with the graphite film, and wherein the first non-thermoplastic polyimide film and the first adhesive layer are bonded only on the one side of the graphite film, and the second thermoplastic polyimide film and the second adhesive layer are bonded only on the other side of the graphite film.
Dependencies are inferred from the claim text.