Plastic coated composite building boards and method of...

Details Plastic coated composite building boards and method of... Plastic coated composite building boards and method of...

B - Operations, Transporting

32

B

B32B 13/12 (2006.01) B32B 13/14 (2006.01)

Patent

CA 2735409

Disclosed are composite building boards and associated manufacturing methods. The composite boards may include, for example, one or more slurry layers with embedded fibrous mats. An exterior plastic coating is mechanically adhered to the underlying slurry layer. The plastic layer chemically bonds and cross- links with polymer additives within the slurry layer. The result is an integrated polymer matrix with greatly improved durability and surface strength.

L'invention concerne des panneaux de construction composites et des procédés de fabrication correspondants. Les panneaux composites peuvent comprendre, par exemple, une ou plusieurs couches de barbotine avec des matelas de fibres noyés. Un revêtement de matière plastique extérieur est collé mécaniquement à la couche de barbotine sous-jacente. La couche de matière plastique se colle chimiquement et se réticule avec des additifs polymères à lintérieur de la couche de barbotine. Le résultat est une matrice de polymère intégrée avec une durabilité et une résistance de surface fortement améliorées.

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