Composite films
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United States of America Patent
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Nov 15, 1994
Grant Date -
N/A
app pub date -
May 28, 1992
filing date -
Sep 28, 1990
priority date (Note) -
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Abstract
A composite film comprising, at least, a liquid crystal polymer layer containing a thermotropic liquid crystal polymer, and a thermoplastic polymer layer laminated on at least one surface of the liquid crystal polymer layer. The thermoplastic polymer layer may be formed with an adhesive thermoplastic polymer layer having adhesive properties with respect to the liquid crystal polymer layer. The adhesive thermoplastic polymer layer is formed preferably by a modified polyolefin into which a functional group is being introduced, or a modified polyester, A thermoplastic polymer layer such as a polyalkylene terephthalate layer or olefin polymer layer may further be laminated on the adhesive thermoplastic polymer layer.
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