Graphite composite chips

Details Graphite composite chips Graphite composite chips

1985-05-17

1986-12-23

Lusignan, Michael R.

Coating processes

Electrical product produced

Carbon base

204290R, 204294, 427115, 4273855, 427221, B05D 302, B05D 512

Patent

active

046312005

ABSTRACT:
For use in trickle bed electrolytic cells, the preferred and illustrated embodiment sets forth an improved graphite composite chip. It is a chip characterized by having a much higher percentage with a more uniform coating thereon. The coating has the form of a mix of carbon and Teflon on graphite chips. It is more uniform and applied to both sides of the chips. This improves current flow and distribution in an electrolytic cell such as a hydrogen peroxide cell. One procedure taught herein is a method of making such composite chips on graphite wherein carbon in particulate form is mixed with water and particulate Teflon dispersion and is added to graphite chips of a selected mesh size; after mixing, the water is drained and all water is removed by a vacuum in a rotary evaporator whereupon the dried material is then sintered for a specified time and temperature.

REFERENCES:
patent: 4354958 (1982-10-01), Solomon
patent: 4457953 (1984-07-01), McIntyre et al.
patent: 4459197 (1984-07-01), Solomon

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