Blends of biodegradable polymers and acrylic copolymers
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United States of America Patent
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Feb 23, 2016
Grant Date -
Oct 21, 2010
app pub date -
Apr 28, 2008
filing date -
Oct 1, 2007
priority date (Note) -
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Abstract
The invention relates to a blend of one or more biodegradable polymers with one or more acrylic copolymers, for the purpose of improving the properties of the biodegradable polymer(s). The biodegradable polymer contains at least 10 weight percent of a biopolymer that is in less than ideal condition for processing. The “compromised” biopolymer may be undried biopolymer, may have a heat history (be “reprocessed”, “regrind” or “recycled”), or both. The acrylic copolymer(s) are present in the blend at a level of 0.1 to 15 weight percent, based on the weight of the total blend.
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