Patent ID: 8057892
Filing Date: 2011-11-15
Classification: C08L,C09J,Y10T

Abstract:
1. A wood adhesive, comprising: a) 100 weight parts of water; b) between 3 and 45 weight parts of a proteinaceous material; c) between 0.01 and 15 weight parts of an acidity regulator; d) between 0.01 and 15 weight parts of an aromatic compound; e) between 0.01 and 15 weight parts of a curing agent; f) between 0.01 and 15 weight parts of a preservative; g) between 0 and 15 weight parts of a viscosity modifier; h) between 0 and 10 weight parts of a filler; i) between 0 and 15 weight parts of a drier; wherein said aromatic compound is a tannin, a tannin extract, resorcine, maltol, phenol, sodium dodecyl benzene sulfonate, resorcino, dimethyl phthalate, thymol, dinaphthol, octylphenol, m-nitrophenol, p-chlorophenol, catechol, dihydroxytoluene, xylene, or a mixture thereof; and said curing agent is ammonium chloride, potassium pyrosulfate, sodium sulfite, sodium dihydrogen phosphate, sodium tetraborate, sodium hypophosphite, sodium bisulfate, ferric sulfate, sodium silicate, triethylamine, 3,3′,4,4′-benzophenonetetracarboxylic dianhydride, 2-dodecen-1-ylsuccinic anhydride, decanedihydrazide, chlorendic anhydride, ammonium perchlorate, or a mixture thereof.