Expandable multilayer material

Details Expandable multilayer material Expandable multilayer material

B - Operations, Transporting

32

B

B32B 27/28 (2006.01) B32B 27/18 (2006.01) B60R 13/04 (2006.01) C08F 283/10 (2006.01) C09J 5/06 (2006.01) C09J 5/08 (2006.01) C09J 7/00 (2006.01) C08L 51/08 (2006.01)

Patent

CA 2200975

A latent thermosettable, melt-flowable sheet material comprising at least two layers, one of which is expandable and flowable, and the other of which flows to encapsulate the expandable layer between it and a substrate to which the sheet material has been adhered. A latent, thermosettable, melt-flowable sheet material which can be cured to provide a weatherable layer is also disclosed. Still further, a method for imparting topographical or protective features to a substrate such as a metal joint of an automobile body is disclosed.

L'invention concerne un matériau en feuille latent, thermodurcissable et fluidifiable à chaud comprenant au moins deux couches dont une est expansible et fluidifiable et l'autre s'écoule pour encapsuler la couche expansible située entre celle-ci et un substrat sur lequel le matériau en feuille a été collé. Un matériau en feuille latent, thermodurcissable et fluidifiable à chaud qui peut être durci pour produire une couche résistant aux intempéries est également décrit, ainsi qu'un procédé permettant de conférer des caractéristiques de stratification ou de protection à un substrat tel qu'un raccord métallique de carrosserie d'automobile.

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