Automotive-wire insulation
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United States of America Patent
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Mar 19, 2002
Grant Date -
N/A
app pub date -
Dec 21, 1999
filing date -
Dec 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention pertains to multi-layer polymeric formulations for protecting or insulating metallic objects, and, more particularly, to an integrated, tri-layer, thin-wall insulation composite, for use in a high temperature, automotive-wire article. The tri-layer design comprises an inner layer of a fluoropolymer, polyether sulfone, polyether-ketone, polyetherimide, or thermoplastic polyester; a middle layer comprising a polyolefin; and an outer layer comprising a fluoropolymer. The inner and outer layers serve to protect the middle polyolefinic layer from degradation.
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