Weatherstrip for automotive glass window and the like
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United States of America Patent
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Issued Date -
May 12, 2005
app pub date -
Nov 9, 2004
filing date -
Nov 12, 2003
priority date (Note) -
Abandoned
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Abstract
A weatherstrip for automotive and motor vehicle window glass comprises a glass contact layer overlying a base extrusion. The base extrusion is formed of a thermoplastic vulcanizate (TPV) comprising ethylene-propylene diene polymer (EPDM) and polypropylene. The glass contact layer is formed of a material composed predominantly of a thermoplastic polyolefin polymer and comprising a silicone-crosslinked thermoset polymer. The thermoset polymer may be the reaction product of a silane-grafted polyolefin and a silicone polymer.
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