Laminate panel and process for production thereof

Details Laminate panel and process for production thereof Laminate panel and process for production thereof

B - Operations, Transporting

32

B

B32B 5/18 (2006.01) B32B 5/22 (2006.01) B32B 7/12 (2006.01) B32B 15/08 (2006.01) B32B 27/06 (2006.01) B32B 37/12 (2006.01)

Patent

CA 2587745

There is disclosed a laminate panel and a process for production thereof. The laminate panel comprises a core layer disposed between and bonded to each of a first metal layer and a second metal layer. The core layer comprises a porous layer substantially encapsulated by a thermoplastic resin. An advantage of the present laminate material is that it can withstand paint/bake cycles while maintaining a desirable balance of physical properties (e.g., peel strength, stiffness, impact resistance and the like). Another distinct advantage of the present laminate panel is its formability. This allows for the use medium or deep draw forming techniques to facilitate production of parts having a variety of shapes and radii (e.g., 90~ bends, draws, stretches, multi-shape configurations and the like) for vehicular applications.

L'invention concerne un panneau stratifié et un procédé de production de celui-ci. Le panneau stratifié comprend une couche centrale, placée entre une première et une seconde couche métallique et liée à chacune de celles-ci. La couche centrale comprend une couche poreuse sensiblement encapsulée dans une résine thermoplastique. Ce matériau stratifié présente l'avantage de pouvoir supporter des cycles de peinture/cuisson tout en conservant un équilibre voulu de propriétés physiques (p. ex. résistance au pelage, rigidité, résistance aux chocs et analogue). L'autre avantage du panneau stratifié réside dans son aptitude au formage, qui permet d'utiliser des techniques d'emboutissage moyen ou profond pour former des pièces présentant diverses formes et rayons (p. ex. courbures à 90°, emboutissages, étirages, structures multiforme et analogue) destinées à des véhicules.

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