Synergistic visbreaking composition of peroxide and hydroxylamine ester for increasing the visbreaking efficiency
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United States of America Patent
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Nov 9, 2017
app pub date -
Dec 14, 2015
filing date -
Dec 15, 2014
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Abstract
Synergistic visbreaking composition of peroxide and a hydroxylamine ester for increasing the visbreaking efficiency for polypropylene polymers at melt extrusion temperatures below 250° C. and its use in visbreaking polypropylene. The present invention is furthermore related to the use of such visbroken polypropylene polymers for producing melt blown non-wovens with improved barrier properties.
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