Bonded plastic-rubber extruded composite

Details Bonded plastic-rubber extruded composite Bonded plastic-rubber extruded composite

C - Chemistry, Metallurgy

08

L

C08L 57/00 (2006.01) B29C 65/44 (2006.01) B29C 65/70 (2006.01) C08J 5/12 (2006.01) C08L 23/06 (2006.01)

Patent

CA 2043081

BONDED PLASTIC-RUBBER EXTRUDED COMPOSITE Abstract A moldable elastomeric material for cold bonding to an EPDM member comprises a mixture of between 70% and 90% of thermoplastic olefin, and between about 10% and 30% of polyethylene. A method for forming a weatherstrip includes the steps of extruding an EPDM rubber weatherstrip element; forming an activating bonding surface on said extruded weatherstrip element; bonding a thermoplastic element comprising between 70% and 90% of thermoplastic olefin and between about 10% and 30% of polyethylene to said activated surface at a temperature below the softening point of the EPDM member.

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