Composite shaped articles comprising vulcanized elastomers autogenously bonded to polyamide/polyether thermoplastic elastomers
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United States of America Patent
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Mar 26, 2002
Grant Date -
N/A
app pub date -
May 8, 1995
filing date -
May 6, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a process for forming composite shaped articles used for athletic shoe soles, tubes, pipes, transmission belts and conveyor belts, comprising a vulcanized elastomer directly or autogenously bonded, that is, essentially in the absence of adhesive, to a thermoplastic elastomer comprising recurring polyamide-6 and polyether structural units, such as thermoplastic polyetheresteramide elastomers, are provided. The article is prepared by a process comprising placing a thermoplastic elastomer component into a vulcanization mold, overmolding onto at least a portion of the surface area of one face surface of the thermoplastic elastomer component with a vulcanizable elastomer component, and vulcanizing the vulcanizable elastomer component at a temperature below the melting point of the thermoplastic elastomer component but over a wide temperature range, which can be about 40.degree. C. or higher.
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