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US 4,379,194 AGranted
High pressure decorative laminates containing an air-laid web of fibers and filler and method of producing same
AssigneeFormica Corporation
InventorsTheodore R. Clarke, John F. Hosler
Life of this patent
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Abstract
The invention relates to high pressure decorative laminates containing an air-laid web of fibers, filler and resin as a core and to a method of preparing such a decorative laminate from an assembly comprising said substrate and a thermosetting resin impregnated decor sheet.
Claims5
A heat and pressure consolidated decorative laminate comprising, in superimposed relationship,
- (a) a monostichous layer of randomly oriented, substantially non-hydrogen bonded, air-laid cellulosic fibers of from about 0.25 mm to 2.25 mm thickness and containing from about 10 to 40%, by weight, based on the total weight of fiber and resin in (a), of a thermoset resin and from about 1% to about 20%, by weight, based on the total weight of said fiber, of pulverized, particulate filler having a particle size no larger than about 200 microns, and
- (b) a thermoset resin impregnated cellulosic print sheet.
Dependencies are inferred from the claim text.