COMPOSITIONS FOR USE IN TREATING ORGANIC SUBSTANCES
This application is directed to compositions for use in treating organic substrates, in particular lignocellulosic substrates. The composition comprises water, a water miscible solvent and an organic substrate treatment compound such as biocides. The application also relates to methods of delivering treatment compositions to the substrate. The methods may be for the purpose of prevention of growth of pest organisms, or for providing specific properties to the substrate for example.
1 - 98 . (canceled)
99 . A process for treatment of an organic substrate, the process including the steps of:
(a) applying an organic substrate treatment composition to the organic substrate, the composition including water, a volatile water miscible solvent, and an organic substrate treatment compound, wherein either the volatile water miscible solvent or its combination with water is capable of absorbing RF energy; and
(b) recovering either the solvent alone or the water and solvent by RF energy supplemented vacuum condensation.
100 . The process according to claim 99 wherein the volatile water miscible solvent has a high dielectric loss.
101 . The process according to claim 99 , wherein the organic substrate treatment compound is non-volatile.
102 . The process according to claim 99 , wherein the substrate has a temperature above ambient during solvent recovery.
103 . The process according to claim 99 , wherein the organic substrate is lignocellulosic.
104 . The process according to claim 99 , wherein the volatile water miscible solvent is a low molecular weight alcohol, ketone, ether or diether.
105 . The process according to claim 99 , wherein the volatile water miscible solvent is selected from the group consisting of a Stoddard solvent, methanol, ethanol, ethyleneglycol monomethyl ether, ethylene glycol dimethyl ether or diethylene glycol dimethyl ether, DMSO, N-methyl pyrrolidone, ethylene glycol, propylene glycol, or glycerol.
106 . The process according to claim 99 , wherein the ratio of water:solvent is at about 4:96 to about 50:50.
107 . The process according to claim 99 , wherein the organic substrate treatment compound is a biocide.
108 . The process according to claim 99 , wherein the organic substrate treatment compound alters the physical properties of the substrate.
109 . The process according to claim 108 , wherein the organic substrate treatment compound is selected from resins or polymers or components which can become resins or polymers.
110 . The process according to claim 99 , wherein the organic substrate treatment composition further includes dyes, pigments, water repellents, and/or fire retardants.
111 . The process according to claim 99 , wherein the organic substrate treatment compound is an amine copper complex.
112 . The process according to claim 111 , wherein the amine copper complex is formed using an alkanolamine as the amine complexing agent.
113 . The process according to claim 112 , wherein the alkanolamine is monoethanolamine, diethanolamine, triethanolamine or propanolamine.
114 . The process according to claim 99 , wherein the organic substrate treatment compound contains a copper compound, a quaternary ammonium compound, or a combination thereof.
115 . The process according to claim 99 , wherein the organic substrate treatment compound is a copper complex formed from a copper compound and an alkanolamine, and the copper compound and alkanolamine are dissolved in ethylene or propylene glycol.
116 . The process according to claim 99 , wherein the organic substrate treatment compound is an azole, a mixture of azoles, or a mixture of azoles and an amine copper complex.
117 . The process according to claim 99 , wherein the organic substrate treatment compound is a borate compound or triethanolamine borate.
118 . The process according to claim 99 , wherein the organic substrate treatment compound is any one or more of propiconazole, tebuconazole, and permethrin, dissolved in a glycol.
119 . The process according to claim 99 , wherein the organic substrate treatment compound is a salt of a glycol spiroboronate or a salt of ethylene glycol spiroboronate.
120 . The process according to claim 99 , wherein the organic substrate is substantially dry lumber.
121 . The process according to claim 99 , wherein the composition includes a fire retardant.
122 . The process according to claim 121 wherein the fire retardant is in combination with a biocide.
123 . A treated organic substrate prepared by the process according to claim 1 .
124 . An organic substrate treatment composition, comprising water, a volatile water miscible solvent, and an organic substrate treatment compound; wherein the volatile water miscible solvent or its combination with water is capable of absorbing RF energy.