The present invention provides wood preservative compositions comprising micronized particles. In one embodiment, the composition comprises dispersions of micronized metal or metal compounds. In another embodiment, the wood preservative composition comprises an inorganic component comprising a metal
The present invention provides wood preservative compositions comprising micronized particles. In one embodiment, the composition comprises dispersions of micronized metal or metal compounds. In another embodiment, the wood preservative composition comprises an inorganic component comprising a metal or metal compound and organic biocide. When the composition comprises an inorganic component and an organic biocide, the inorganic component or the organic biocide or both are present as micronized particles. When compositions of the present invention are used for preservation of wood, there is minimal leaching of the metal and biocide from the wood.
대표청구항▼
1. A method for preserving a wood product comprising: (1) contacting a wood product with a wood preservative composition comprising: (a) a dispersion in water of particles of a copper compound that are between 0.001 and 25 microns in particle size;(b) one or more biocides; and(c) one or more emulsif
1. A method for preserving a wood product comprising: (1) contacting a wood product with a wood preservative composition comprising: (a) a dispersion in water of particles of a copper compound that are between 0.001 and 25 microns in particle size;(b) one or more biocides; and(c) one or more emulsifying agents, or one or more dispersants, orone or more alkoxylated diamine or trialkylamine oxides, ora combination thereof;such that the particles of the copper compound are distributed within the wood product. 2. The method of claim 1, wherein the particles of the copper compound are between 0.005 and 25 microns in particle size. 3. The method of claim 1, wherein the copper compound is milled. 4. The method of claim 1, wherein the biocide is a fungicide and the fungicide is an azole. 5. The method of claim 4, wherein the azole is tebuconazole. 6. The method of claim 1, wherein the biocide is a fungicide and the fungicide is a quaternary ammonium compound. 7. The method of claim 6, wherein the quaternary ammonium compound is alkyldimethylbenzylammonium chloride, dimethyldidecylammonium chloride, dimethyldidecylammonium carbonate, or dimethyldidecylammonium bicarbonate. 8. The method of claim 1, wherein the wood preservative composition comprises a trialkylamine oxide selected from N,N-dimethyl-1-hexadecylamine-N-oxide and N,N-dimethyl-1-dodecylamine-N-oxide. 9. The method of claim 1, wherein the copper compound is selected from the group consisting of copper hydroxide, cupric oxide, cuprous oxide, copper carbonate, basic copper carbonate, copper oxychloride, copper 8-hydroxyquinolate, copper dimethyldithiocarbamate, copper omadine and copper borate. 10. A wood product produced by the method of claim 1 comprising (a) a biocidally effective amount of particles of a copper compound distributed within the wood product, the particles being between 0.001 and 25 microns in particle size;(b) a biocidally effective amount of one or more biocides; and(c) one or more emulsifying agents, or one or more dispersants, orone or more alkoxylated diamine or trialkylamine oxides, ora combination thereof. 11. The wood product of claim 10, wherein the copper compound is milled. 12. The wood product of claim 10, wherein the biocide is a fungicide and the fungicide is an azole. 13. The wood product of claim 12, wherein the azole is tebuconazole. 14. The wood product of claim 10, wherein the biocide is a fungicide and the fungicide is a quaternary ammonium compound. 15. The wood product of claim 14, wherein the quaternary ammonium compound is alkyldimethylbenzylammonium chloride, dimethyldidecylammonium chloride, dimethyldidecylammonium carbonate, or dimethyldidecylammonium bicarbonate. 16. The wood product of claim 10, comprising a trialkylamine oxide selected from N,N-dimethyl-1-hexadecylamine-N-oxide and N,N-dimethyl-1-dodecylamine-N-oxide. 17. The wood product of claim 10, wherein the copper compound is selected from the group consisting of copper hydroxide, cupric oxide, cuprous oxide, copper carbonate, basic copper carbonate, copper oxychloride, copper 8-hydroxyquinolate, copper dimethyldithiocarbamate, copper omadine and copper borate. 18. The wood product of claim 10, wherein the particles of the copper compound are dispersed in water. 19. The method of claim 1, wherein the biocide is a fungicide or an insecticide. 20. The wood product of claim 10, wherein the biocide is a fungicide or an insecticide. 21. The method of claim 1, wherein the particles of the copper compound are uniformly distributed throughout a cross-section of the wood product. 22. The wood product of claim 10, wherein the particles of the copper compound are uniformly distributed throughout a cross-section of the wood product. 23. The wood product of claim 22, wherein the wood product is coniferous wood. 24. The wood product of claim 23, wherein the coniferous wood is southern pine. 25. The method of claim 1, wherein the wood product is lumber.
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이 특허에 인용된 특허 (137)
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