Method for chemical treatment of woods

Details Method for chemical treatment of woods Method for chemical treatment of woods

1980-11-21

1983-11-01

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

427297, 427351, 427377, 427440, B05D 118, B05D 312

Patent

active

044130244

ABSTRACT:
Disclosed is a method for the chemical treatment of woods, which comprises introducing a chemical solution into a pressure vessel charged with wood so that the wood is entirely dipped in the chemical solution, heating the chemical solution to a temperature within the range not causing high temperature troubles in the wood, and elevating the pressure in the pressure vessel above the saturated steam pressure to cause the chemical solution to permeate into the wood.
According to this method, the chemical permeation treatment can be accomplished in a very short time at a low temperature not causing high temperature troubles in woods. Furthermore, the preliminary boiling treatment, which is indispensable in the conventional method, can be omitted.

REFERENCES:
patent: 2382374 (1945-08-01), Wood
patent: 2668779 (1954-02-01), Herman
patent: 3460979 (1969-08-01), Giese et al.
patent: 3987219 (1976-10-01), Aruidsson
patent: 4127686 (1978-11-01), Motai

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