C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
6/13.5
C09D 5/14 (2006.01) B05D 7/06 (2006.01) B27K 3/00 (2006.01) B27K 3/50 (2006.01) B27K 3/52 (2006.01)
Patent
CA 1099853
ABSTRACT OF THE DISCLOSURE This invention relates generally to water soluble wood treating compositions and methods for the preservation of wood or products made from wood. In the general practice of this inven- tion, wooden objects are treated with water soluble compositions comprising blends of (A) from about 0.1% to about 50% by weight of a chlorophenol selected from a group consisting of pentachloro- phenol and tetrachlorophenol and mixtures thereof (B) from about 2% to about 98% by weight aliphatic alcohols selected from the group consisting of N-butyl alcohol, secondary butyl alcohol, iso- butyl alcohol, tertiary butyl alcohol and isopropyl alcohol and mixtures thereof (C) from about 0.56% to about 45% by weight of ammonium hydroxide or an amine selected from the group consisting of triethyl amine, trimethyl amine, methyl amine and methyldieth- anol amine and mixtures thereof (D) from about 1% to about 97% by weight water and (E) from 0% to about 20% by weight sodium hydr- oxide. In addition, these wood treating formulations may include varying amounts of tetrasodium pyrophosphate (0-10% by weight), copper salts (0-10% by weight), sodium chromates (0-10% by weight), sodium gluconate (0-10% by weight), sodium citrate (0-10% by weight), sodium N-dihydroxyethylglycinate (0-10% by weight) and ammonium or sodium lignin sulfonate (0-20% by weight) as added ingredients. In the practice of our invention, these compositions are incorporated into treating systems that adequately penetrate wood and deposit essentially non-leachable chlorophenols in the wooden objects.
301244
Amundsen Joseph
Goodwin Robert J.
Wetzel William H.
Reichhold Chemicals Inc.
Smart & Biggar
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