Adhesives for making multilayer films comprising liquid crystalline polymers and poly(ethylene terephthalate) or polycarbonate
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United States of America Patent
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Mar 28, 2000
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N/A
app pub date -
Oct 20, 1997
filing date -
Oct 20, 1997
priority date (Note) -
Expired
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Abstract
Multilayer films that include a thermotropic liquid crystalline polymer film layer and a poly(ethylene terephthalate) or polycarbonate film layer are bound together using a hot melt adhesive, which may be either (1) a blend of poly(.alpha.-olefins) that includes isotactic polypropylene, a polymer of a second lower poly(.alpha.-olefin), and a small amount of a higher poly(.alpha.-olefin); or (2) a polyamide-based hot melt adhesive.
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