Isocyanate bonded wood composite and method of manufacturing the

Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing

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106203, 106204, 156 622, 156328, 1563314, 264126, 428326, 4284251, 428498, 4285371, C08L 102, B32B 2314

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active

053444841

ABSTRACT:
An isocyanate bonded wood composite, such as a doorskin, comprising about 95% to about 99% by weight wood fiber, about 1% to about 4% by weight of an organic isocyanate and 0% to about 2% by weight of a wax, and its method of manufacture, are disclosed. The isocyanate bonded wood composite is manufactured by admixing the ingredients, then pressing the admixed ingredients at a temperature of about 200.degree. F. to about 320.degree. F., for a sufficient time and at a sufficient pressure, to provide an isocyanate bonded wood composite having a density of about 0.9 g/cc to about 1.1 g/cc, and that demonstrates improved porosity and adhesive properties.

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patent: 4359507 (1982-11-01), Gaul et al.
patent: 4388138 (1983-06-01), Brown et al.
patent: 4396673 (1983-08-01), Ball et al.

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