Process for making a graphite film

Details Process for making a graphite film Process for making a graphite film

1990-05-07

1992-02-25

Tentoni, Leo B.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563099, 264 296, 264 297, 264171, 264248, 264280, 26433112, 26433119, 423448, B29C 6502, C01B 3104

Patent

active

050910256

ABSTRACT:
A process for making an artificial graphite film from a graphitizable polymer is described. In the process, a starting polymer film having a defined thickness is thermally treated at a temperature of not lower than 2400.degree. C. in an inert gas to graphitize the film, and rolled to obtain a graphite film. The graphite film has good flexibility and elasticity with relatively smooth surfaces.

REFERENCES:
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patent: 4749514 (1988-06-01), Murakami et al.
patent: 4876077 (1989-10-01), Murakami
patent: 4888242 (1989-12-01), Matsuo et al.
patent: 4915984 (1990-04-01), Murakami
patent: 4954193 (1990-09-01), Murakami et al.
patent: 4983244 (1991-01-01), Murakami et al.
U.S. patent application Ser. No. 316,055, entitled "Optical Elements for Radiation Comprising Graphite Films".
U.S. patent application Ser. No. 334,519, entitled "Electroaccoustic Diaphragm and Method of Making the Same".
U.S. patent application Ser. No. 519,692, entitled "Process for Making Graphite Films".
U.S. patent application Ser. No. 677,557, entitled "Process for Preparing Graphite Film or Block from Polyamido Acid Films".
U.S. patent application Ser. No. 919,117, entitled "Radiation Optical Element".

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