TWI690487B

A method for manufacturing a graphite sheet and a polyimide film for a graphite sheet are provided for obtaining a graphite sheet having favorable heat diffusion properties and flexibility. This method for manufacturing a graphite sheet includes a step for heat-treating a polyimide film, with a phos...

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Bibliographic Details
Main Authors INABA, KEISUKE, NISHIKAWA, YASUSHI, KOBAYASHI, MOTOAKI, KOJIMA, MASAHIRO
Format Patent
LanguageChinese
Published 11.04.2020
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOUNDS THEREOF
GENERAL PROCESSES OF COMPOUNDING
INORGANIC CHEMISTRY
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
NON-METALLIC ELEMENTS
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:A method for manufacturing a graphite sheet and a polyimide film for a graphite sheet are provided for obtaining a graphite sheet having favorable heat diffusion properties and flexibility. This method for manufacturing a graphite sheet includes a step for heat-treating a polyimide film, with a phosphorus content of 0.025 to 0.032 wt%, to at least 2,400°C.
Bibliography:Application Number: TW20198104912