Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1985-09-26
1990-07-31
Gallagher, John J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
106162, 106210, 10628725, 156 622, 156312, 1563317, 156336, 4285371, 528 85, 536 48, B32B 3100
Patent
active
049448234
ABSTRACT:
Wood surfaces are bonded together by heating and pressing using a preferably dry binder formulation constituting a thorough mixture of an isocyanate and a sugar or starch, the binder formulation also preferably containing a stabilizer and optionally a catalyst and a release agent. The binder formulation may be used with good results in an amount equal to the amount of straight isocyanate resin which would normally be used, i.e. the sugar or starch replaces a quantity of the isocyanate which would normally have been used, thereby reducing the total quantity of isocyanate, thus reducing cost without any disadvantage.
REFERENCES:
"Cornstarch Adhesive as Bonding Agent for Particleboard", an Abstract from Forest Products, by Lourdes D. Turreda, NSTA Technology Journal, Apr.-Jun., 1985.
"Improvement of Water Based Adhesives by Isocyanates (2) Improvement of Starch based Adhesive", Masato GAMO, Hiroshi Yamamoto, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Abstract, pp. 41-46, vol. 15, No. 2, 1979.
Carbocol Inc.
Gallagher John J.
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