Title:
MANUFACTURE OF PLYWOOD
Document Type and Number:
Japanese Patent JPH0839509
Kind Code:
A
Abstract:
PURPOSE: To accelerate a curing speed by coating a ply surface with specific alkaline phenol resin as an adhesive binder.
CONSTITUTION: At least one surface of at least one ply is coated with an adhesive binder curable by heating and containing 1 to 7 wt.% of potassium hydroxide, at lest 40 wt.% of solid content, and an alkaline phenol resol resin solution of 2 to 8 wt.% of alkalinity content calculated as sodium hydroxide. Then, the ply coated with the binder is juxtaposed with another ply, then the juxtaposed ply heated and pressurized to cure the resin, the ply is combined to form the plywood. Thus, the binder can be rapidly cured without discharging excess formaldehyde.
More Like This:
Inventors:
NITSUKU KENTO DEIJII
DEIRU REZURII RIIPAA
DEIRU REZURII RIIPAA
Application Number:
JP16224695A
Publication Date:
February 13, 1996
Filing Date:
June 28, 1995
Export Citation:
Assignee:
BORDEN INC
International Classes:
B27D1/04; B27N3/02; B27N3/14; B32B21/02; B32B27/04; C08G8/10; C08G14/08; C08L61/04; C08L61/06; C09J161/06; (IPC1-7): B27D1/04; B32B21/02; C08L61/06
Attorney, Agent or Firm:
Chika Takagi (2 outside)