Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1997-04-02
1999-06-29
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526160, 5263482, 5263483, 5263484, 5263486, C08F21016
Patent
active
059169885
ABSTRACT:
In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from .alpha.-olefin of 3-20 carbon atoms, said ethylene copolymers having of 0.1-10 dl/g, average molecular weight (Mn) as measured by GPC of 1.2-4, and MFR.sub.2 under a load of 2.16 kg at 190.degree. C. of 8-50, and being narrow in molecular weight distribution and excellent in flowability.
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English language translation Japanese Kokai No. 59-51905, published Mar. 26 1984. JP 62-57406 (Mitsui), Mar. 13, 1987. JP 62-119212 (Mitsui), May 30, 1987. JP 62-121707 (Mitsui), Jun. 3, 1987. JP 62-153307 (Sumitomo), Jul. 8, 1987. JP 63-168407, (Showa), Jul. 12, 1988. JP 63-175004, (Mitsui), Jul. 19, 1988.
Toyota Akinori
Tsutsui Toshiyuki
Yoshitsugu Ken
Mitsui Cehmicals, Inc.
Teskin Fred
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