Multi-metal cyanide catalysts for ring-o
β
Sang Hyun Lee; Seung Hoon Byun; Seung Tae Baek; Hyun Suk Seo; Dae-Won Park; Chan
π
Article
π
2008
π
Elsevier Science
π
English
β 178 KB
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