Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1990-03-14
1991-11-19
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
5261692, 526335, C08F13620
Patent
active
050667548
ABSTRACT:
Polymers of 1,4-pentadiene having an Mw/Mn of 1.05 to 1.4 are produced by polymerizing 1,4-pentadiene in the presence of catalyst comprising a vanadium chelate compound and an organoaluminum compound.
REFERENCES:
patent: 3880819 (1975-04-01), Natta et al.
Jour. of Poly. Sci., Part A-1, vol. 6, pp. 1605, 1607, 1609, 1611, 1613, (1968).
Ziegler-Natta Catalysts and Polymerization, Academic Press, p. 549 (1979).
Doi Yoshiharu
Furuhashi Hiroyuki
Ueki Satoshi
Kurtzman Myron B.
Teskin Fred
Tonen Corporation
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