Wood treatment process

Details Wood treatment process Wood treatment process

1979-12-11

1981-03-31

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Liquid extraction of coating constituent or cleaning coating

427297, 427370, 427440, B05D 300, B05D 312, B05D 118

Patent

active

042593786

ABSTRACT:
The surface of an impregnated wood material having deposits of a water-insoluble treating chemical thereon as a result of the impregnation treatment, is cleaned by forming an ammoniacal liquor in situ on the surface of the wood material, dissolving the surface deposit in the ammoniacal liquor and permitting the dissolved treating chemical to migrate into the wood.

REFERENCES:
patent: 675826 (1901-06-01), Geisler
patent: 2838424 (1958-06-01), DePew et al.

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