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    • 22. 发明授权
    • Double-metal cyanide catalysts for preparing polyether polyols
    • 用于制备聚醚多元醇的双金属氰化物催化剂
    • US06852663B2
    • 2005-02-08
    • US10138080
    • 2002-05-03
    • Pieter OomsJöerg HofmannWalter Schäfer
    • Pieter OomsJöerg HofmannWalter Schäfer
    • B01J27/26C08G65/26B01J31/00
    • C08G65/2663B01J27/26
    • The invention is directed to a double-metal cyanide catalyst for the preparation of a polyether polyol by the polyaddition of an alkylene oxide on to a starter compound containing active hydrogen atoms, wherein the DMC catalyst comprises a) at least one double-metal cyanide compound; b) at least one organic complexing ligand which is not a polyether, polyester, polycarbonate, polyalkylene glycol sorbitan ester, polyalkylene glycol glycidyl ether, glycidyl ether, glycoside, carboxylic acid ester of polyhydric alcohol, cyclodextrin, phosphorus compound, α,β-unsaturated carboxylic acid ester or ionic surfactant compound; c) at least one polyether; and d) at least one polyester, polycarbonate, polyalkylene glycol sorbitan ester, polyalkylene glycol glycidyl ether, glycidyl ether, glycoside, carboxylic acid ester of polyhydric alcohol, cyclodextrin, phosphorus compound, α,β-unsaturated carboxylic acid ester or ionic surfactant compound. The catalyst of the present invention has increased activity in the preparation of a polyether polyol.
    • 本发明涉及用于通过将烯化氧加成到含有活性氢原子的起始化合物上制备聚醚多元醇的双金属氰化物催化剂,其中DMC催化剂包含a)至少一种双金属氰化物化合物 ; b)至少一种不是聚醚,聚酯,聚碳酸酯,聚亚烷基二醇脱水山梨糖醇酯,聚亚烷基二醇缩水甘油醚,缩水甘油醚,糖苷,多元醇的羧酸酯,环糊精,磷化合物,α,β-不饱和的有机络合配体 羧酸酯或离子表面活性剂化合物; c)至少一种聚醚; 和d)至少一种聚酯,聚碳酸酯,聚亚烷基二醇脱水山梨糖醇酯,聚亚烷基二醇缩水甘油醚,缩水甘油醚,糖苷,多元醇的羧酸酯,环糊精,磷化合物,α,β-不饱和羧酸酯或离子表面活性剂化合物。 本发明的催化剂在制备聚醚多元醇时具有增加的活性。