Films containing poly(hydroxy acid)s
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United States of America Patent
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Feb 22, 2000
Issued Date -
N/A
app pub date -
May 9, 1995
filing date -
Aug 8, 1988
priority date (Note) -
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Abstract
Compatible polymer compositions and optically clear, degradable films containing from 55 to 90 wt % of a poly(hydroxy acid) polymer composition and from 10 to 45 wt % of one or more compatible thermoplastic polymers are disclosed. The films are prepared by melt processing the materials to obtain uniform composition, and forming the composition into a film of thickness from 0.01 to 2 mm. The films can be used in packaging and conventional applications.
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