Group 8, 9 or 10 olefin copolymerization catalyst

Details Group 8, 9 or 10 olefin copolymerization catalyst Group 8, 9 or 10 olefin copolymerization catalyst

1998-11-17

2000-10-17

Wu, David W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526134, 5263486, 526352, 502162, 556 13, 556138, C08F 426

Patent

active

061333875

ABSTRACT:
Olefin co- or homopolymers having a good molecular weight and short chain branching may be prepared in the presence of a pyridyl bridged bisphosphinimine complex of a Group 8, 9 or 10 metal.

REFERENCES:
patent: 5557023 (1996-09-01), Somogyvari et al.
patent: 5589555 (1996-12-01), Zberil et al.
Avis et al., Reaction of bis(iminophoshporanes) with palladium (II) chloride: . . . , JOMC, 527 (1997) 263-276.
Avis et al., Selective Formation of Four-Membered Metallacyclic Pt-N-P-C Compounds . . . , Inorganic Chemistry, 1995, 34, 4092-4105.
Avis et al., Monodentate sigma-N and Bidentate sigma-N, sigma-N Coordination of 1,1 Bis (N-p-tolylimino) diphenylphosphoranyl) ethane, . . . Inorganic Chemistry, 1996, 35, 1518-1528.
Stabilization of Rhodium(I)-and Iridium(I)-Alkyl Bonds by Intramolecular Coordination of an Iminophosphorane. Peter Imhoff, Sylvia C.A. Nefkens, & Cornelius J. Elsevier. Organometallics 1991, 10, 1421-1431.
Selective Formation of Four-Membered Metallacyclic Pt-N-P-C Compounds from Reactions of Bis ((N-arylimino) phosphoranyl) methanes with Halide-Bridged Platinum (II) Phosphine Dimers. Mandy W. Avis, Kees Vrieze,Huub Kooijman, Nora Veldman, Anthony L. Spek and Cornelis J. Elsevier, Inorg. Chem. 1995, 34, 4092-4105.
Reactions of bis(iminophosphoranes) with palladium(II) dichloride: metal-induced tautomerization orthopalladation and unexpected platinum-assisted [2+2] cycloaddition of an aryl-nitrile with a phosphinimine moiety Mandy W. Avis, Milko E. van der Boom, Cornelis J. Elsevier, Wilberth J.J. Smeets, Anthony L. Spek, Journal of Organometallic Chemistry 527 (1997) 263-276.
Monodentate .sigma.-N and Bidentate .sigma.-N,.sigma.-N', Coordination of 1,1-Bis(N-p-tolylimino)diphenylphosphoranyl) ethane, CHCH.sub.3 (PPh.sub.2 =NC.sub.6 H.sub.4 -4-CH.sub.3).sub.2, to Platinum(II), Mandy W Avis, Cornelis J. Elsevier, Nora Veldman, Huub Kooijman, and Anthony L. Spek, Inorg. Chem. 1996, 35, 1518-1528.
Chemistry of Heterocyclic Compounds. 27. An Improved Preparation of Pyridyldiphenylphosphines, George R. Newkome and David C. Hager, J. Org. Chem, vol. 43, No. 5, 1978, pp. 947-949.
New Pd(II)-and Ni(II)-Based Catalysts for Polymerization of Ethylene and .alpha.-olefins, Linda K. Johnson, Christopher M. Killian and Maurice Brookhart, J. Am. Chem Society, 1995, 117, 6414-6415.

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