Heterogeneous catalysts for polymerization of propylene oxide
β Scribed by O.V. Krylov; V.S. Livshits
- Book ID
- 116041699
- Publisher
- Elsevier Science
- Year
- 1966
- Weight
- 251 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0031-6458
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π SIMILAR VOLUMES
Polymerizations of propylene oxide (PO) have been carried out by using a series of multi-metal metal cyanide (MMC) catalysts prepared by reacting ZnCl 2 and K 3 [Co(CN) 6 ] 2 , K 4 Fe(CN) 6 , K 3 Fe(CN) 6 and/or K 2 Ni(CN) 4 in the presence of tert-butyl alcohol and polytetramethylene ether glycol a
A~traet--Temperature dependences of the stereoregularity parameters of the most stereospecific active centres of =-TiCI3:AIEt 3 catalytic system from -25 to 120 and of VCI3--AIEt 3 catalytic system from -15: to 90 c have been measured. It was found that this temperature dependence could be represent