Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1997-02-28
2000-09-05
Wu, David W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
5253337, 5253338, 525387, C08F11002
Patent
active
06114486&
ABSTRACT:
The subject invention is directed to a rheology-modified ethylene polymer having less than 0.5 weight percent gel, a composition distribution breadth index (CDBI) greater than 50 percent, and a molecular weight distribution (M.sub.w /M.sub.n) of less than 4.0, which is characterized as having improved rheological performance and/or melt strength attributes relative to the unmodified polymer. The subject invention is further directed to polymer blends which comprise the rheology-modified polymers, and to a process for preparing the rheology-modified polymers.
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Chum Pak-Wing Steve
Hill James J.
Kale Lawrence T.
Kummer Kyle G.
Lai Shih-Yaw
Choi Ling-Siu
The Dow Chemical Company
Wu David W.
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