Supported catalyst for 1-olefin and 1,4-diolefin copolymerizatio

Details Supported catalyst for 1-olefin and 1,4-diolefin copolymerizatio Supported catalyst for 1-olefin and 1,4-diolefin copolymerizatio

1989-07-25

1991-05-21

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526156, 526160, 526336, C08F 4643, C08F23620

Patent

active

050176650

ABSTRACT:
A process using a high activity supported metallocene-alumoxane catalyst, comprising methylalumoxane and bisindenyl zirconium dichloride on a silica support, for the copolymerization of ethylene and 1,4-hexadiene to produce a copolymer having a high concentration of pendant functionalizeable groups which may also be used to cross-link the copolymer.

REFERENCES:
patent: 4808561 (1989-02-01), Welborn, Jr.
Chandrasekhar S. Bajgur, Wayne R. Tikkanen & Jeffrey L. Petersen-11/8/84, Synthesis, Structural Characterization, & Electrochemistry of [1]Metallocenophane Complexes, [Si(alkyl).sub.2 (C.sub.5 H.sub.4).sub.2 ]MCl.sub.2, M=Ti, Zr, Inorg. Chem, 1985, 24, 2539-2546.
Ferdinand R. W. P Wild, Marek Wasiucionek, Gottfried Huttner & Hans H. Brintzinger, 11/14/84/, Snythesis & Crystal Structure of a Chiral ansa-Zirconocene Derivative with Ethylene-Bridged Tetrahydroindenyl Ligands-Journal of Organometallic Chemistry, 288 (1985), 63-67, Printed in the Netherlands.
Walter Kaminsky & Massoud Miri-Ethylene Propylene Diene Terpolymers Produced with a Homogeneous and Highly Active Zirconium Catalyst, Journal of Polymer Science, Polymer Chemistry Edition, vol. 23, 2151-2164.

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