Polypropylene with living hinge properties
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United States of America Patent
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Oct 11, 2016
Grant Date -
Jan 23, 2014
app pub date -
Oct 5, 2011
filing date -
Oct 6, 2010
priority date (Note) -
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Abstract
The present invention relates to a polypropylene which has—a melt flow rate MFR(230° C., 2.16 kg) of at least 13 g/10 min,—an amount of xylene solubles XS of 6.0 wt % or less, and—a crystalline fraction, wherein at least 10% of the crystalline fraction melts the temperature range of from 160 to 170° C., as determined by the stepwise isothermal segregation technique (SIST).
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