Improved insulated door assembly with low thermal deflection

Details Improved insulated door assembly with low thermal deflection Improved insulated door assembly with low thermal deflection

E - Fixed Constructions

06

B

E06B 3/78 (2006.01) B29C 70/42 (2006.01) B29C 70/46 (2006.01) B44C 5/04 (2006.01) B44F 9/02 (2006.01) C08L 67/06 (2006.01) E06B 3/86 (2006.01) B29C 43/00 (2006.01) E06B 3/70 (2006.01)

Patent

CA 2246181

Compression molded pigmented door skins fabricated by compression molding a pigmented, curable, unsaturated polyester sheet molding compound containing a co-curable unsaturated monomer, a low profile additive, and a microvoid-reducing thermoplastic polymer, exhibit uniform stainability while maintaining a low linear thermal coefficient of expansion. Such door skins are suitable for preparing wood grain textured exterior insulated doors which exhibit minimal thermal deflection when exposed to interior/exterior temperature differentials, even at eight foot door heights. The doors may be stained without first applying a seal coat.

Des peaux de porte colorées moulées par compression, fabriquées en moulant par compression un composé de moulage en polyester non saturé coloré durcissable, contenant un monomère non saturé codurcissable, un produit d'addition discret, et un polymère thermoplastique réducteur de microvides, présentent une aptitude à la coloration uniforme et un faible coefficient d'expansion thermique linéaire. Ces peaux de porte conviennent à la fabrication de portes extérieures isolées en simili-bois, montrant un minimum de déformation lorsqu'exposées aux écarts de température entre l'extérieur et l'intérieur, même lorsque la porte mesure huit pieds de hauteur. Les portes peuvent être colorées sans qu'il soit nécessaire d'appliquer une couche de scellement préalable.

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