Preparation of very low molecular weight polyethylene in a fluidized bed
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United States of America Patent
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Oct 8, 1991
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N/A
app pub date -
Dec 28, 1989
filing date -
Dec 28, 1989
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Expired
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Abstract
Ethylene homopolymers or copolymers having a very low molecular weight are continuously prepared in a fluidized bed in the presence of high concentrations of hydrogen, while maintaining high catalyst activity, by means of a vanadium-based catalyst.
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