Extrudable polymer for bonding metal to rubber and...

Details Extrudable polymer for bonding metal to rubber and... Extrudable polymer for bonding metal to rubber and...

B - Operations, Transporting

32

B

B32B 27/08 (2006.01) B29C 65/44 (2006.01)

Patent

CA 2715595

A weatherstrip assembly includes a metal surface, a thin tie layer of polymeric material covering at least select portions of the metal surface, and an elastomeric material received over the thin tie layer of polymeric material and exhibiting improved bonding with the metal through the thin layer of polymeric material. Preferably, the thin tie layer is a polypropylene-based olefinic copolymer and an ethylene acrylic acid copolymer.

Linvention concerne un ensemble bande détanchéité qui comprend une surface métallique, une couche mince de raccord en un matériau polymère qui recouvre au moins des parties sélectionnées de la surface métallique et un matériau élastomère placé sur la couche mince de raccord en matériau polymère et qui présente une liaison améliorée avec le métal via la couche mince en matériau polymère. De préférence, la couche mince de raccord est un copolymère oléfinique à base de polypropylène et un copolymère éthylène/acide acrylique.

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