Structural laminates made with novel facing sheets

Details Structural laminates made with novel facing sheets Structural laminates made with novel facing sheets

B - Operations, Transporting

32

B

B32B 5/18 (2006.01) B32B 3/26 (2006.01) B32B 5/22 (2006.01) B32B 17/02 (2006.01)

Patent

CA 2694810

A laminated panel comprises at least one facer comprising a coating applied to a facer sheet to provide a coated facer surface, and a thermosetting plastic foam firmly adhered to the coated facer surface. In an example, non-limiting embodiment, the facer sheet comprises a nonwoven glass mat; the coating comprises a coating mixture comprising a mineral pigment and a dried latex; and the thermosetting plastic foam is comprised of an insulation material selected from the group consisting of polyurethane modified polyisocyanurate foam, polyurethane foam, and phenolic-formaldehyde foam. In an example variation, the nonwoven glass mat has the coating applied to two opposing flat surfaces thereof.

La présente invention concerne un panneau stratifié qui comprend au moins une face comprenant un revêtement appliqué à un feuillet de surface afin de fournir une surface de face enduite, et une mousse plastique thermodurcissable qui adhère fermement à la surface de face enduite. Dans un mode de réalisation à titre d'exemple, non limitant, le feuillet de surface comprend un mat intissé en verre ; le revêtement comprend un mélange de revêtement comprenant un pigment minéral et un latex séché ; et la mousse plastique thermodurcissable est constituée d'un matériau isolant choisi dans le groupe comprenant de la mousse de polyisocyanurate modifié avec du polyuréthane, de la mousse de polyuréthane, et de la mousse de formaldéhyde phénolique. Dans une variation d'exemple, le revêtement est appliqué aux deux surfaces plates opposées du mat intissé en verre.

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