Multilayer stretched product
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United States of America Patent
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Issued Date -
Sep 29, 2005
app pub date -
Nov 8, 2004
filing date -
May 24, 2002
priority date (Note) -
Abandoned
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Abstract
At least one layer of an aliphatic polyester resin, which is biodegradable and is also excellent in gas-barrier property and mechanical strength, is laminated with another thermoplastic resin layer to provide a satisfactory multilayer stretched product. The aliphatic co-polyester (A) has a crystallization temperature Tc1 due to crystallization in the course of heating, which is higher than the glass transition temperature Tg of another thermoplastic resin.
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