Highly active .pi.-allynickel-based polymerization initiators

Details Highly active .pi.-allynickel-based polymerization initiators Highly active .pi.-allynickel-based polymerization initiators

1994-11-21

1996-06-11

Nagumo, Mark

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526171, 5263404, 5263402, 526281, 5262929, 526279, 526346, 528422, C08F 482

Patent

active

055256880

ABSTRACT:
A .pi.-allylnickel/counterion complex is reacted with a hologenated ketone to produce a highly active polymerization initiator.

REFERENCES:
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patent: 5216083 (1993-01-01), Grubbs et al.
Hadjiandreou et al. Macromolecules 17, pp. 2455-2456 (1984) "Butadien 1,4-Polymerization Initiated by Bis [(.eta..sup.3 -allyl)(trifluoracetato)nickel]: A Perfectly Living Coordination System".
Lugli et al. Inorganica Chimica Acta 3, 1 pp. 151-154 (1969) "Reaction of .pi.-Allylic Nickel Complexes with Quinones and Their Catalytic Activity".
Kormer et al. Jour. of Polymer Science, Part C. 16, pp. 4351-4360 (1969) "Polymerization of Butadiene with .pi.-Allylic Catalysts".
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Deming, et al. Macromolecules 24, 22, pp. 6043-6045 (1991) "Polyisocyanides Using [(.eta..sup.3 -C.sub.3 H.sub.5)Ni(OC(O)CF.sub.3)].sub.2 : Rational Design and Implementation of a Living Polymerization Catalyst".
Fayt et al. Jour. of Polymer Science: Polymer Chemistry Edition, 23 pp. 337-342 (1985) "Molecular Design of Multicomponent Polymer Systems. VII. Emulsifying Effect of Poly(ethylene-b-styrene) Copolymer in High-Density Polyethylene/Polystyrene Blends".
Durand et al. Polymer Letters, 8 pp. 743-747 (1970) "Stereospecific Polymerization of Isoprene by Monometallic Nickel Catalysts".
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Azizov Doklady Physical Chemistry 265, 1-3, pp. 518-521 (1982) "Mechanism of the Formation of Active Sites in Catalytic Systems Based on .pi.Alkenyl Complexes of Nickel and Carbonyl-Containing Electron Acceptors".

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