Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-09-27
1976-07-20
Ziegler, J.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260879, 526 66, 526 79, 526 86, 526335, C08L 900
Patent
active
039707245
ABSTRACT:
A method of preparing synthetic rubbers having improved green strength and improved processing characteristics wherein a portion of the monomer is contacted with a catalyst imparting a cis-1,4 configuration and subsequently contacting the remaining portion of the monomer with a catalyst capable of imparting a trans-1,4 configuration.
REFERENCES:
patent: 3086000 (1963-04-01), Wargotz
patent: 3335041 (1967-08-01), Osborne
patent: 3489823 (1970-01-01), Naarmann et al.
Hanlon Thomas L.
Schoenberg Emanuel
Brunner F. W.
Clowney J. Y.
The Goodyear Tire & Rubber Company
Thompson R. A.
Ziegler J.
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