Process for hydrophobicizing particles, and their use as fillers in polymer masterbatches
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United States of America Patent
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Jul 16, 2002
Grant Date -
N/A
app pub date -
May 21, 1998
filing date -
May 22, 1997
priority date (Note) -
Expired
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Abstract
Particles are hydrophobicized by treatment with a compound containing amino and silane groups, followed by treatment with a silane compound containing a hydrophobic group. The invention is particularly useful for treating hydrophilic mineral particles. The treated particles can be used, for example, as fillers in polymer masterbatches.
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