Process for coloring wood with iron salt in water

Details Process for coloring wood with iron salt in water Process for coloring wood with iron salt in water

1987-02-26

1988-06-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Wood dyeing process

8623, 8645, D06P 360

Patent

active

047522976

ABSTRACT:
A process for coloring wood whereby the resulting color will not change or substantially fade upon exposure to long term environmental weathering, which process comprises contacting the wood with an aqueous solution containing 0.01%-10% of an iron salt derived from a mono-, di-, or tri-carboxylic acid or a mono-, di-, or tri-carboxylic hydroxy acid containing 1-6 carbon atoms. The iron salt solution of this invention may be used to color nontreated wood as well as wood treated with known preservative compositions containing one or more heavy metals including copper, chromium, arsenic and zinc.

REFERENCES:
patent: 3622380 (1971-11-01), Williams
patent: 3915631 (1975-10-01), Conner
patent: 4313976 (1982-02-01), Leach
patent: 4379073 (1983-04-01), Zimmerman
patent: 4622248 (1986-11-01), Leach et al.
Hartford, W. H., American Wood Preservers' Association, 1986, pp. 1-16.

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