Process for producing graphite blocks

Details Process for producing graphite blocks Process for producing graphite blocks

1989-09-19

1991-01-08

Thurlow, Jeffery

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156228, 156245, 156285, 1563099, 264 296, 264 297, 264232, 264248, 264250, 264294, 264295, 264322, 26433112, 26433119, 264344, 264571, 423448, 423449, B29C 6502, C01B 3102, C01B 3104

Patent

active

049832441

ABSTRACT:
Graphite blocks are produced by a process wherein one or plural polymer films having a thickness of from 1 to 400 .mu.m and selected from aromatic polyimides, aromatic polyamides and polyoxadiazoles are heat treated to obtain carbonaceous films. A plurality of the carbonaceous films are hot pressure under certain conditions to obtain thick graphite blocks. The blocks have a remarkably improved rocking characteristic and are useful as radiation optical elements such as X-ray or neutron ray monochromators or filters. The blocks may be curved to obtain bent-type graphite articles.

REFERENCES:
patent: 4876077 (1989-10-01), Murakami

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