B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/14 (2006.01) B29C 44/00 (2006.01)
Patent
CA 2691488
A composite building material and a method for its manufacture are provided. The method comprises the steps of: providing a foamable mixture comprising a polymeric matrix material, a filler, a processing aid, one or more lubricants, a thermal stabilizer, and a blowing agent; foaming said foamable mixture to form a foamed composite substrate; optionally embossing the substrate; and coating the substrate with a polyurethane/acrylic coating to form the composite building material, wherein the polyurethane/acrylic coating is keyed chemically and/or physically to the foamed composite substrate.
L'invention concerne un matériau de construction composite et un procédé pour sa fabrication. Ce procédé comprend les étapes consistant à : fournir un mélange expansible comprenant un matériau à matrice polymère, un enduit, une assistance au traitement, un ou plusieurs lubrifiants, un stabilisateur thermique et un gonflant ; faire mousser ledit mélange expansible pour former un substrat composite expansé ; éventuellement gaufrer le substrat ; et revêtir le substrat d'un revêtement polyuréthane/acrylique pour former le matériau de construction composite, le revêtement polyuréthane/acrylique étant fixé chimiquement et/ou physiquement au substrat composite expansé.
Sensibuilt Building Solutions
Smart & Biggar
LandOfFree
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