Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-11-12
1976-04-27
Cockeram, H. S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 775D, C08G 6362
Patent
active
039533832
ABSTRACT:
A catalyst composition and a process for preparing same comprising the reaction product of (a) an organo-metallic compound having the general formula R'nM, wherein n is an integer, at least one R' is an alkyl group, an alicyclic group, or halogen, hydroxy or alkoxy derivatives thereof, or hydrogen, the remaining R' groups are alkyl groups, alicyclic groups, alkaryl groups, aralkyl groups, aryl groups, or halogen, hydroxy or alkoxy derivatives thereof, and M is a metal of Group II or Group III of the periodic Table, (b) a co-catalyst component which is sulfur or a compound containing active hydrogen atoms, and (c) carbon dioxide. The catalyst composition is used in preparing copolymers of epoxy compounds with carbon dioxide.
REFERENCES:
patent: 3585168 (1971-06-01), Inoue et al.
patent: 3706713 (1972-12-01), Hull
Kobayashi et al., Jour. Polymer Science, Vol. 11, (1973), pp. 2383-2385, (and the reference cited therein).
Inoue et al., Die Makromolecular Chemie, 130, (1969), pp. 210-220, (No. 3170).
Kobayashi et al., Copolymerization of CO.sub.2 and Epoxide etc., Die Makromolekular Chemie, 169, (1973), pp. 69-81.
Inoue Shohei
Kanbe Masaki
Miyazaki Nobuyuki
Takada Tadamichi
Yokokawa Masanori
Cockeram H. S.
Nippon Oil Seal Industry Co. Ltd.
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