C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 161/24 (2006.01) C08J 9/00 (2006.01) C08L 61/24 (2006.01) C08L 97/02 (2006.01) C09J 5/08 (2006.01) C08L 89/04 (2006.01)
Patent
CA 2114258
Particleboard is produced by coating the particles of wood furnish with an adhesive comprising a foamed mixture of 96-98 percent by weight urea formaldehyde and 2-4 percent by weight dried animal blood, the mixture being foamed to about 5-15 times the volume of the liquid resin to provide a urea formaldehyde resin solids content of 45-70 percent by weight. The foamed adhesive mixture is coated onto the wood particles of the furnish, as by means of a blender, to provide the finished particleboard with a resin solids content of 5-10 percent by weight.
Demaree Thomas L.
Hansen Boyd Henry
Nylund Sven J.
Rhoden Robert L.
Borden Ladner Gervais Llp
Demaree Thomas L.
Hansen Boyd Henry
Nylund Sven J.
Rhoden Robert L.
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