Agent for preserving wood or wood-based materials and method...

Details Agent for preserving wood or wood-based materials and method... Agent for preserving wood or wood-based materials and method...

B - Operations, Transporting

27

K

6/16.5

B27K 3/52 (2006.01) B27K 3/34 (2006.01) B27K 3/38 (2006.01)

Patent

CA 1300319

ABSTRACT OF THE DISCLOSURE: A wood preservative comprising either: (1) at least one of (a) ammonium monofluorophosphate and/or diammonium monofluorophosphate of the general formula (R1R2R3R4N)R5PO3F in which R1, R2, R3 and R4 are identical or different and each denotes a straight-chain, branched or cyclic, saturated or unsaturated alkyl, aralkyl, alkyaryl or aryl radical, either unsubstituted or substituted by an alkyl, alkoxy or a hydroxyl group, up to three of the four R1-R4 can be hydrogen or can together form an alkylene bridge, R5 is a hydrogen atom or a R6R7R8R9N group in which R6, R7, R8 and R9, respectively, have the same meanings as R1, R2, R3 and R4, respectively, and (b) a mixture of a salt of monofluorophosphoric acid and at least one ammonium salts of the general formula R1R2R3R4NX in which X is an acid radical; or (2) a mixture of (a) and/or (b) and (c) an alkali metal monofluorophosphate or an ammonium monofluoro- phosphate of the general formula M2PO3F and/or MHPO3F, in which M is sodium, potassium or ammonium. The present invention also relates to a coating agent comprising an ammonium monofluorophosphate as above and components (d) that comprises at least one of a binder, a fixing agent and a plasticizer, and (e) a diluent, and to methods of producing and using such agents.

565212

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