WOOD-MODIFYING COMPOSITION AND METHOD FOR ITS PREPARATION, AS WELL AS ITS USES

WIPO Patent Application WO/2006/081755

A1

A novel wood-modifying composition and a method for its preparation, as well as its uses are disclosed. The composition is made mainly from the following starting materials: 37% formaldehyde, borax, aqueous ammonia, urea, melamine, boric acid, cyanoguanidine phosphate, higher alkyl quaternary ammonium salt, sodium dodecyl sulfate, alkylphenol ether sulfosuccinate Na salt, decyl phenol polyoxyethylene ether, N-methylol acrylamide, butyl acrylate, styrene, isooctyl acrylate, acrylic acid, tert-dodecyl mercaptan, ammonium persulfate, sodium hydrogen carbonate, sodium metabisulfite, chlorinated paraffin having chlorine content of 50-60%, an microemulsion of silica which has solids content of 45% and/or an microemulsion of aluminum oxide hydrate which has solids content of 40%. The artificial forest woods and inferior woods modified by the invention composition have excellent flame-retarding, mothproofing, mildewproofing, and preservative properties in addition to the marked improved physical-mechnical properties. Morever, such drawbacks of prior art as that the existent wood preservatives often have heavy metal ions and other toxic components are overcomed.

CHEN WANLI (CN)
WU ZILIANG (CN)

PCT/CN2006/000140

August 10, 2006

January 25, 2006

Click for automatic bibliography generation  

YANG JUN (CN)
GAO ZHONGHAI (CN)
CHEN WANLI (CN)
WU ZILIANG (CN)

B27K3/52; B27K3/15; B27K3/50; B27K5/02; C09K3/00

JPH0482704A	1992-03-16
US4778833A	1988-10-18

KELONG INTERNATIONAL INTELLECTUAL PROPERTY AGENT LTD. (Bldg. A Horizon International Tower, No.6 Zhichun Roa, Haidian District Beijing 8, CN)

View/Download PDF      PDF Help

Previous Patent: PRODUCTION AND PRODUCTS FOR COMPOSITE WOODEN BOARD AND SQUARE COLUMN

Next Patent: A WOOD-MODIFYING APPARATUS