C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
403/54
C08L 61/06 (2006.01) C09J 3/16 (1980.01) C09J 3/24 (1980.01)
Patent
CA 1059699
ABSTRACT OF THE DISCLOSURE A rapidly-foamable, fast setting phenolic resin liquid ply- wood glue for use particularly in a plywood production line includ- ing an in-line continuous foaming unit comprises an aqueous alkaline solution of a fast setting, highly advanced, phenol aldehyde resin and a dried animal blood foaming agent. Glyoxal or other aldehyde is included to control the viscosity of the glue, Upon agitation in air or other gas the resulting glue is uniformly foamable to a den- sity of the order of 0.2 gm/cc in a time of the order of two seconds.
230908
Cone Charles N.
Steinberg Julius M.
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