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
Fe/Zn double metal cyanide catalyzed ring-opening polymerization of propylene oxide: 2. Characterization of active structure of double metal cyanide catalysts
β Scribed by Su Chen; Li Chen
- Publisher
- Springer
- Year
- 2003
- Weight
- 365 KB
- Volume
- 282
- Category
- Article
- ISSN
- 0340-255X
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## Abstract Ringβopening copolymerization of maleic anhydride (MA) with propylene oxide (PO) was successfully carried out by using doubleβmetal cyanide (DMC) based on Zn~3~[Co(CN)~6~]~2~. The characteristics of the copolymerization are presented and discussed in this article. The structure of the c
## Abstract Highly active CaCl~2~βmodified ZnβCo(III) DMCs were prepared. XRD results showed that the modified catalyst CaβDMC containing 0.14βwt.β% CaCl~2~ was amorphous. A higher polymer yield (>61βkg polymer/g catalyst) and a shorter induction period for ROP of PO were observed for CaβDMC than f