PROCESSING AID FOR THERMOPLASTIC POLYURETHANES
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United States of America Patent
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Issued Date -
Jan 24, 2013
app pub date -
Mar 21, 2011
filing date -
Apr 13, 2010
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Abandoned
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Abstract
Processing aid comprising a) 10-50% by weight of hydrophobized, at least partially aggregated, metal oxide particles b) 20-75% by weight of one or more thermoplastic polyurethanes, c) 0.5-50 by weight of one or more prepolymers comprising isocyanate groups the sum of the constituents a) to c) amounting to at least 80% by weight, based on the processing aid.
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