Decorative laminate with care of newsprint and wood pulp
AssigneeWestvaco Corporation
InventorsJoseph B. Doughty, Carl F. Schulerud
Life of this patent
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Abstract
Disclosed herein are decorative laminates meeting N.E.M.A. standards which have high impact resistance, flexural strength, and low water absorption qualities suitable for surface veneering wherein the core stock paper is made from 10% to 100% of newspaper or newsprint pulp which in the preferred practice of the invention is substituted for either the pine portion of the core sheet or the hardwood portion.
Claims3
A decorative laminate meeting N.E.M.A. standards for surface veneering having the following laminae combined in order of ascending superimposed relationship to form a unitary structure, (a) a core, (b) a decorative cellulose sheet impregnated with a melamine resin, and (c) a cellulose overlay sheet impregnated with a melamine resin, the improvement comprising,
- forming said core from a multiplicity of core sheets, each of said core sheets comsisting essentially of from 10 to 100% repulped newsprint and the remainder of said sheet being a pulp selected from the group consisting of pine pulp, hardwood pulp and mixtures thereof, and impregnating each of said core sheets with from 10 to 70% by weight of a phenolic resin.
The decorative laminate of claim 5 wherein said core sheet is comprised of from 10 to 90% repulped newspaper and the remainder of said sheet is pine.
The decorative laminate of claim 5 wherein said core sheet is comprised of from 10 to 90% repulped newspaper and the remainder of said sheet is hardwood.
Dependencies are inferred from the claim text.