Titanated chromium-based catalysts to produce polyethylene
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United States of America Patent
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Dec 3, 2002
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N/A
app pub date -
Nov 14, 2000
filing date -
Jun 6, 1997
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Abstract
The present invention relates to a supported chromium-based catalyst titanated under specific conditions and used for the homopolymerisation or the copolymerisation of ethylene. The polyethylene obtained with this catalyst has high shear resirance and environmental stress crack resistance, and can be used for manufacturing films with improved tear properties.
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