Preparation method of ethylene base polymer
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United States of America Patent
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Mar 21, 2000
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N/A
app pub date -
Mar 30, 1998
filing date -
Aug 21, 1996
priority date (Note) -
Expired
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Abstract
An ethylene base polymer and a preparation method of an ethylene base polymer characterized in use of a catalyst comprising a chromium amide compound, a solid inroganic oxide calcined at 100 to 500.degree. C. and alumoxane. According to the present invention, an ethylene base polymer with a wide molecular weight distribution, excellent shock and environmental stress cracking resistances, causing no melt fracture, and suitable for film forming and blow molding can be effectively prepared.
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