Carbon slurry regeneration method

Details Carbon slurry regeneration method Carbon slurry regeneration method

1989-08-22

1990-07-03

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Coating material recirculation or regeneration

427 68, 427 64, 210692, 210683, 210684, B05D 312, B05D 506, B01D 1504

Patent

active

049390007

ABSTRACT:
A method for regenerating a carbon slurry used to produce a black matrix-type phosphor screen of a cathode ray tube is disclosed, in which excess carbon slurry is collected after the completion of a carbon-coating process onto a cathode ray tube panel. This collected carbon slurry is regenerated by means of an ion-exchange resin.

REFERENCES:
patent: 4481087 (1984-11-01), DiGiacomo
patent: 4596659 (1986-06-01), Nomura et al.

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