US 12,138,892 B2
Composite panel for structural and decorative surface
Claudia Brito Da Costa, Antas Eps (PT); Ana João Tavares Da Silva Vinhas, Vila Nova di Gaia (PT); Jorge Manuel Santos Silva Martins, Lavra (PT); Luísa Maria Hora De Carvalho, Lavra (PT); and Fernão Domingos De Montenegro Baptista Malheiro De Magalhães, Oporto (PT)
Assigned to SURFORMA, S. A., Maia (PT); UNIVERSIDADE DO PORTO, Oporto (PT); and INSTITUTO POLITÉCNICO DE VISEU, Viseu (PT)
Appl. No. 17/607,127
Filed by UNIVERSIDADE DO PORTO, Oporto (PT); INSTITUTO POLITÉCNICO DE VISEU, Viseu (PT); and SURFORMA, S.A., Maia (PT)
PCT Filed Apr. 24, 2020, PCT No. PCT/IB2020/053879
§ 371(c)(1), (2) Date Oct. 28, 2021,
PCT Pub. No. WO2020/222098, PCT Pub. Date Nov. 5, 2020.
Claims priority of application No. 115478 (PT), filed on Apr. 29, 2019.
Prior Publication US 2022/0153003 A1, May 19, 2022
Int. Cl. B32B 27/20 (2006.01); B32B 5/16 (2006.01); B32B 27/10 (2006.01); B32B 27/40 (2006.01)
CPC B32B 27/20 (2013.01) [B32B 5/16 (2013.01); B32B 27/10 (2013.01); B32B 27/40 (2013.01); B32B 2260/028 (2013.01); B32B 2264/0207 (2013.01); B32B 2264/1021 (2020.08); B32B 2264/108 (2013.01); B32B 2264/303 (2020.08); B32B 2307/732 (2013.01); B32B 2451/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A composite panel for structural and decorative surfaces wherein the composite panel comprises
a core panel, a décor layer, and at least one sheet of paper, the core panel comprising a mixture of granules of a polymeric material and a bonding element, the bonding element providing bonding of the granules of the polymeric material,
the mixture of granules of the polymeric material and the bonding element being pressed against the at least one sheet of paper, wherein:
a polymeric material product or a scrap of a polymeric material product manufacturing being milled or extruded into granules of a polymeric material;
the bonding element comprises a resin;
the paper consists of dry or resin impregnated kraft paper; and
at least one face of the core panel being pressed with a high pressure laminate (HPL) layer, the HPL comprising the décor layer.