Method of preserving wood with lanthanide derivatives

Details Method of preserving wood with lanthanide derivatives Method of preserving wood with lanthanide derivatives

1987-02-20

1988-05-10

Lusignan, Michael R.

Coating processes

Vacuum utilized prior to or during coating

Organic base

106 1505, 252397, 427440, 428541, B05D 118, B05D 300

Patent

active

047434732

ABSTRACT:
The invention is a method for pressure treatment of wood using compositions comprising aqueous solutions of one or more lanthanide derivatives. Wood is immersed in a pressure vessel containing a lanthanide derivative composition, and hydrostatic pressure is applied. The treatment is carried out at temperatures not exceeding about 95.degree. C., and more preferably at between about 20.degree. C. and about 30.degree. C. Pressure should be greater than about atmospheric, and preferably about 10 psi to about 300 psi.

REFERENCES:
patent: 4287239 (1981-09-01), Hager
patent: 4303705 (1981-12-01), Kelso
patent: 4335109 (1982-06-01), Hill
patent: 4532161 (1985-07-01), Collins et al.

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