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Alkylene oxide polymerization using complex metal cyanide catalyst complex and magnesium, Group 3 to Group 15 metal or lanthanide series metal compound
Alkylene oxide polymerization using complex metal cyanide catalyst complex and magnesium, Group 3 to Group 15 metal or lanthanide series metal compound
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机译:使用络合金属氰化物催化剂配合物和镁(第3至15组金属或镧系金属化合物)的环氧烷烃聚合反应
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摘要
Alkylene oxide polymerizations are performed in the presence of a double metal cyanide polymerization catalyst and certain magnesium, Group 3-Group 15 metal or lanthanide series metal compounds. The presence of the magnesium, Group 3-Group 15 metal or lanthanide series metal compound provides several benefits including more rapid catalyst activation, faster polymerization rates and the reduction in the amount of ultra high molecular weight polymers that are formed. The catalyst mixture is unexpectedly useful in making polyethers having low equivalent weights.
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