| http://www.w3.org/ns/prov#value | - These polymerization initiators usually have to be prepared by alkoxylation of low-molecular initiators, such as ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, in particular glycerol and trimethylol propane, with alkaline catalysts such as KOH. Before these polymerization initiators can be used for polymerization using the multimetal cyanide catalysts, the alkaline catal
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