C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/611
C08F 10/02 (2006.01)
Patent
CA 1279946
ABSTRACT A polyethylene composition having excellent melt moldability which substantially comprises an ultrahigh-molecular-weight polyethylene having a molecular weight of, for example, at least about 1,650,000 and a low-molecular-weight to high-molecular-weight polyethylene having a molecular weight of, for example, about 1500 to about 360,000. The composition is produced by a multi- stage polymerization process involving a step of producing the ultrahigh-molecular-weight polyethylene and a step of producing the low-molecular-weight to high-molecular- weight polyethylene.
530900
Akana Yoshinori
Ishikawa Hideo
Kondo Masayuki
Suga Michiharu
Yoshitake Junichi
Mitsui Chemicals Inc.
Smart & Biggar
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