Ethylene/.alpha.-olefin polymer blends comprising components with differing ethylene contents
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United States of America Patent
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-
Sep 24, 2002
Grant Date -
Feb 7, 2002
app pub date -
May 4, 2001
filing date -
May 11, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ethylene/.alpha.-olefin polymer blend is described comprising first and second ethylene/.alpha.-olefin polymer components in which the ethylene content of the first component is at least 10 weight percent different than the ethylene content of the second component. These blends exhibit an improved combination of low temperature, pellet flow, compression set, melt strength and/or shape retention properties as compared to either component, or an ethylene/.alpha.-olefin polymer blend of similar composition but in which the ethylene content of each component is substantially the same.
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