Compositions and processing for preserving and/or coloring wood

Details Compositions and processing for preserving and/or coloring wood Compositions and processing for preserving and/or coloring wood

B - Operations, Transporting

27

K

117/156, 117/159

B27K 3/52 (2006.01) B27K 3/50 (2006.01) B27K 5/02 (2006.01)

Patent

CA 1327144

ABSTRACT OF THE DISCLOSURE A two-step process is provided for preserving wood. The two steps are as follows: in the first step, the wood is contacted with a liquid composition containing a biocidally-effective amount of a copper compound selected from the group consisting of copper ammonium carbonate, copper sulfate, and a copper ethanolamine complex. In the second separate step, the wood is contacted with a liquid composition containing a biocidally-effective amount of sodium dimethyl dithiocarbamate. The wood treated this way has good resistance to decay and termites, and inhibits stain and mold growth.

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