Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1997-04-30
1999-11-16
Smith, Jeffrey T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526161, 526172, 502103, 502117, 502155, C08F 444
Patent
active
059860294
ABSTRACT:
The invention relates to a new catalyst composition which is suitable for the polymerization of an olefin and which comprises a reduced transition metal complex and a co-catalyst. The invention is characterized in that the transition metal complex consists of a reduced transition metal, chosen from groups 4-6 of the Periodic Table of the Elements, with a multidentate monoanionic ligand and with two monoanionic ligands. In particular the reduced transition metal is titanium (Ti).
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Flores, J.C., et al.; {[2-(Dimethylamino)ethyl] cyclopentadienyl} trichlorotitanium: A New Type of Olefin Polymerization Catalyst; Organometallics, vol. 13, 1994, pp. 4140-4142.
Eshuis, J.J.W., Catalytic Olefin Polymerization with Early Transition Metal Compounds, Ph.D. Thesis, Rijksuniversiteit, The Netherlands, Mar., 1991, Chapter 6.
Arts Henricus J.
Eggels Guillaume H. M. R.
Gruter Gerardus J. M.
van Beek Johannes A. M.
van Doremaele Gerardus H. J.
DSM N.V.
Rabago Roberto
Smith Jeffrey T.
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