Process for hydrogenation of conjugated diene polymers and catal

Details Process for hydrogenation of conjugated diene polymers and catal Process for hydrogenation of conjugated diene polymers and catal

1997-03-13

1999-07-20

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253328, 5253329, 525339, G08F 804

Patent

active

059257172

ABSTRACT:
The invention provides a catalyst composition for hydrogenation of polymers containing ethylenical unsaturation which comprises at least:

REFERENCES:
patent: 3663635 (1972-05-01), Lassau et al.
patent: 3766300 (1973-10-01), De La Mare
patent: 3898208 (1975-08-01), Krause
patent: 4501857 (1985-02-01), Kishimoto et al.
patent: 5541272 (1996-07-01), Schmid et al.
"Preparation and X-ray Structure of a Novel Chiral Methylene Bridged Titanocene Complex," by Christopher A. Willoughby, William N. Davis, Stephen L. Buchwald, Journal of Organometallic Chemistry 497, (1995) pp. 11-15.
"Mechanism of Acetylene Polymerization on the NiCl.sub.2 -NaBH.sub.4 System in Alcohols," by N.S. Gorkova, F.S. Diachkovski, P.E. Matkovski, Chemical Abstracts, vol. 90, No. 4, Jan. 22, 1979, pp. 774-777.

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