STARCH-CONTAINING THERMOPLASTIC OR ELASTOMER COMPOSITIONS, AND METHOD FOR PREPARING SUCH COMPOSITIONS
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United States of America Patent
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Issued Date -
Apr 14, 2011
app pub date -
Jun 12, 2009
filing date -
Jun 13, 2008
priority date (Note) -
Abandoned
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Abstract
A thermoplastic and/or elastomer composition includes: at least 50 wt % and 99.95 wt % at most of a starchy composition (a) including at least one starch; at least 0.05 wt % and 50 wt % at most of a nanometric product (b) including particles having at least one dimension of 0.1 to 500 nanometers and selected from mixed products containing at least one lamellar clay and at least one cationic oligomer or cationic synthetic polymer, organic, mineral or mixed nanotubes, organic, mineral or mixed nanocrystals and nanocrystallites, organic, mineral or mixed nanobeads and nanospheres customized into clusters or agglomerated, and mixtures of these nanometric products, the percentage being expressed in dry weight and added to the sum in dry weight of (a) and (b); and at least one non-starchy polymer (c).
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