COVERED PANEL AND METHOD FOR MANUFACTURING COVERED PANELS
Coated panel with at least a substrate ( 2 ) and a top layer applied thereto ( 3 ), wherein the above-mentioned top layer ( 3 ) comprises at least a decor layer ( 4 ) and a translucent or transparent wear layer ( 5 ), characterized in that the above-mentioned wear layer ( 5 ) comprises a thermally cured acrylate resin or a thermally cured unsaturated polyester resin. Preferably, wherein thermal curing partially or completely cures the resin. In particular, wherein the above-mentioned acrylate resin or unsaturated polyester resin is at least partially cured by means of a thermally initiated radical crosslinking reaction. The invention further relates to a method for the production of such coated panels ( 1 ), in particular floor panels.
1 .- 65 . (canceled)
66 . A coated panel with at least a substrate and a top layer applied thereto,
wherein the above-mentioned top layer comprises at least a decor layer and a translucent or transparent wear layer;
wherein the wear layer comprises a thermally cured acrylate resin or a thermally cured unsaturated polyester resin;
wherein the acrylate resin or unsaturated polyester resin is cured by means of a thermally initiated radical crosslinking reaction.
67 . The coated panel as in claim 66 , wherein the wear layer is obtained based on a mixture containing at least on the one hand acrylate resin and/or unsaturated polyester resin and on the other hand a thermoinitiator.
68 . The coated panel as in claim 67 , wherein the thermoinitiator is an organic peroxide, or benzoyl peroxide or lauryl peroxide or tertiary butylperoxy-3,5,5-trimethylhexanoate (TBPIN).
69 . The coated panel as in claim 66 , wherein the wear layer comprises traces of a peroxide.
70 . The coated panel as in claim 66 , wherein the wear layer is cured uniformly or essentially uniformly over its entire thickness.
71 . The coated panel as in claim 66 , wherein the wear layer is obtained based on a mixture containing at least on the one hand acrylate resin and/or unsaturated polyester resin and on the other hand a photoinitiator.
72 . The coated panel as in claim 71 , wherein the mixture comprises 0.1-5 parts of two different photoinitiators per 100 parts of acrylate resin or per 100 parts of unsaturated polyester resin.
73 . The coated panel as in claim 66 , wherein the decor layer comprises a paper sheet provided with synthetic material.
74 . The coated panel as in claim 73 , wherein the wear layer comprises a thermally cured acrylate resin or a thermally cured unsaturated polyester resin; and
wherein the synthetic material is selected from the list of amino resins, urea formaldehyde, melamine urea formaldehyde, melamine formaldehyde, polyurethane, urethane-acrylic copolymer, melamine acrylate, melamine formaldehyde, acrylate, latex, dispersions.
75 . The coated panel as in claim 66 , wherein the wear layer comprises a thermally cured acrylate resin; and
wherein the acrylate resin at least is obtained based on a multifunctional acrylate monomer and/or oligomer or on a hexafunctional acrylate oligomer.
76 . The coated panel as in claim 66 , wherein the wear layer comprises a thermally cured acrylate resin and wherein the above-mentioned acrylate resin at least is obtained based on a monofunctional or difunctional or a trifunctional acrylate monomer and/or oligomer.
77 . The coated panel as in claim 66 , wherein the wear layer comprises a thermally cured acrylate resin and wherein the acrylate resin at least is obtained with a chemically modified acrylate or with a fluoroacrylate.
78 . The coated panel as in claim 66 , wherein the wear layer comprises a thermally cured acrylate resin; and
wherein the acrylate resin is of the aliphatic type.
79 . The coated panel as in claim 66 , wherein the coated panel has a relief on its surface, wherein the relief comprises gloss differences.
80 . The coated panel, with at least a substrate and a top layer applied thereto,
wherein the top layer comprises at least a decor layer and a translucent or transparent wear layer;
wherein the wear layer comprises an acrylate;
wherein this acrylate comprises covalent bonds formed by reaction of hydroxyl groups with isocyanate groups;
wherein the wear layer comprises a relief, wherein this relief shows gloss differences.
81 . The coated panel as in claim 80 , wherein an adhesion promoter is located between the decor layer and the wear layer.
82 . The coated panel as in claim 80 , wherein the decor layer shows a wood pattern by printing; and
wherein the relief is in register with the wood pattern, said relief showing gloss differences in register with the wood pattern.
83 . The coated panel as in claim 80 , wherein the substrate comprises a thermoplastic,
wherein this thermoplastic comprising one or more of fillers; and
wherein the decor layer comprises a film out of synthetic material or a printed film out of synthetic material; or
wherein the decor layer comprises a print on the substrate.
84 . The coated panel as in claim 80 , wherein the substrate comprises or consists of a wood fiberboard and the decor layer comprises a printed paper sheet;
wherein said printed paper sheet is impregnated with a thermally curing resin.
85 . The coated panel with at least a substrate and a top layer applied thereto,
wherein the top layer comprises at least a decor layer;
wherein between the decor layer and the substrate, a thermally cured acrylate resin or a thermally cured unsaturated polyester resin is located and/or the decor layer is at least partially formed by a thermally cured acrylate resin or a thermally cured unsaturated polyester resin.