B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 21/06 (2006.01) B27D 1/00 (2006.01) B32B 21/08 (2006.01) B32B 27/04 (2006.01) B32B 27/10 (2006.01)
Patent
CA 2435191
Laminated board for exterior cladding formed from a core (13) of kraft paper impregnated with phenolic resin, at least one layer of natural wood (14) and at least one surface covering layer (15) including a coating film (17) and a substrate film (16). The coating film (17) is a single-layer film based on polymethyl methacrylate (PMMA), a two-layer film with its lower layer based on polymethyl methacrylate and its upper layer based on polyvinylidine fluoride (PVDF), or a PMMA/PVDF single-layer film. The substrate film (16) consists of a paper impregnated with a compound formed from 80-95% by weight of a phenolic resin and 5-20% by weight of a polymer promoting adhesion of the coating film (17), such as an acrylic, melamine or urea polymer or a combination thereof.
Bastida Sagarzazu Santiago
Encio Martinez Fernando
Composites Gurea S.a.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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