Compostable multilayer structures, methods for manufacture, and articles prepared therefrom
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United States of America Patent
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Dec 15, 1998
Issued Date -
N/A
app pub date -
May 3, 1996
filing date -
Sep 28, 1995
priority date (Note) -
Expired
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Abstract
A compostable multilayer film includes a core layer having a first surface and a second surface, a first blocking reducing layer covering the first surface of the core layer, and a second blocking reducing core layer comprises a lactic acid residue-containing polymer having a glass transition temperature (Tg) below 20.degree. C. The first and second blocking reducing layers comprise a semicrystalline aliphatic polyester. The hydrolyzable polymer and have a T.sub.g above about 50.degree. C. The multilayer structure can be used for preparing bags and wrappers.
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