28-03-2019 дата публикации
Номер: US20190091983A1
Принадлежит:
A decorative laminate lay-up includes a top layer of a radiation and thermally cured composition coated directly onto an untreated decorative paper layer, a paper layer impregnated with resin, and a core layer composed of one or more sheets of paper impregnated with resin. 1. A decorative laminate lay-up , comprising:a top layer of a radiation and thermally cured composition coated directly onto an untreated decorative paper layer;a paper layer impregnated with resin; anda core layer composed of one or more sheets of paper impregnated with resin.2. The decorative laminate lay-up according to claim 1 , wherein the paper layer is a low basis weight paper impregnated with resin.3. The decorative laminate lay-up according to claim 2 , wherein the low basis weight paper is impregnated with melamine-formaldehyde resin.4. The decorative laminate lay-up according to claim 1 , wherein the core layer is composed of one or more color sheets of paper impregnated with melamine-formaldehyde resin.5. The decorative laminate lay-up according to claim 1 , wherein the paper of the core layer is a Kraft paper that contains melamine-formaldehyde resin on one side and a phenolic resin on the other side.6. The decorative laminate lay-up according to claim 1 , wherein the radiation and thermally cured composition is composed of 60% to 90% claim 1 , by weight claim 1 , urethane acrylate claim 1 , 8% to 38% claim 1 , by weight claim 1 , reactive diluent claim 1 , 1.0% to 10% claim 1 , by weight claim 1 , photo initiator claim 1 , and 0.5%-5% claim 1 , by weight claim 1 , thermal initiator.7. The decorative laminate lay-up according to claim 1 , wherein the radiation and thermally cured composition further includes aluminum oxide.8. The decorative laminate lay-up according to claim 1 , wherein the radiation and thermally cured composition employs a first curing mechanism resulting in creation of free radicals with UV light and a second curing mechanism involving polymerization with the ...
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