Method of coating melamine resin on laminating paper

Decorative paper with a wear resistant decorative is made by limiting the flow of melamine resin through the decorative paper. A partially cured melamine resin impregnated overlay is placed over non impregnated decorative paper and cured at temperatures of about 230-310 DEG F (110-155 DEG C) and pre...

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Bibliographische Detailangaben
Hauptverfasser:	JAY T. OLIVER, MUYUAN M. MA, TIMOTHY J. LAY, PETER C. GAA
Format:	Patent
Sprache:	eng
Schlagworte:	DECORATIVE ARTS IMPREGNATING OR COATING OF PAPER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MOSAICS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PAPERHANGING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCING DECORATIVE EFFECTS PRODUCTION OF CELLULOSE PULP COMPOSITIONS TARSIA WORK TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	Decorative paper with a wear resistant decorative is made by limiting the flow of melamine resin through the decorative paper. A partially cured melamine resin impregnated overlay is placed over non impregnated decorative paper and cured at temperatures of about 230-310 DEG F (110-155 DEG C) and pressures of greater than about 300 psi (20 bar) and preferably about 750-1500 psi (51-102 bar) for causing melamine resin to flow from the overlay into the decorative paper and for substantially fully curing the melamine resin. Flow of the melamine resin is limited to about 10-20 and preferably about 12-17 percent by weight of the impregnated overlay. Flow of melamine resin in impregnated decorative paper is limited to about 1-3 and preferably about 1-2 percent by weight of the impregnated decorative paper.