D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
154/93
D21H 27/28 (2006.01) B32B 21/08 (2006.01) B44C 5/04 (2006.01)
Patent
CA 1245965
ABSTRACT A method of producing an abrasion resistant decorative laminate from at least one backing layer and a thermosetting resin impregnated decorative facing sheet, said laminate having enhanced abrasion resistance without an overlay layer, the method comprising: coating a decorative facing sheet with an ultra-thin wet layer of a mixture of (1) an abrasion resistant mineral of fine particle size in a quantity sufficient to provide an abrasion resistant layer without interfering with visibility and (2) a stabilizing binder material for the mineral having the properties of withstanding the subsequent laminating conditions and being compatible with the thermosetting resin, the binder being present in an amount sufficient to bind said abrasion resistant mineral to the surface of said decorative facing sheet, and the binder-mineral layer in the dry state being permeable to said thermosetting resin; drying said coated binder-mineral mixture at a temperature sufficient to enhance the bonding of said abrasion resistant mineral by said binder material to said decorative facing sheet, to provide an ultra-thin dry porous layer of said binder-mineral mixture thereon; impregnating said coated facing sheet with said thermosetting resin; assembling said resin impregnated and coated facing sheet over said backing layer; and subjecting said assembly to heat and pressure sufficient to effect consolidation of said backing layer and said facing sheet to thereby provide said abrasion resistant decorative laminate. Also provided is an abrasion resistant decorative laminate, a decorative sheet, and a method for making the latter.
486192
Scher Herbert I.
Ungar Israel S.
Borden Ladner Gervais Llp
Nevamar Corporation
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