FIELD: polymerization catalysts.
SUBSTANCE: invention provides double metal cyanide catalysts for production of polyetherpolyols via polyaddition of alkylene oxides to starting compounds containing active hydrogen atoms, which catalysts contain double metal cyanide compounds, organic complex ligands, and α,β-unsaturated carboxylic acid esters other than above-mentioned ligands.
EFFECT: considerably increased catalytic activity.
6 cl, 16 ex
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|---|---|---|---|
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