4.
    发明专利
    未知

    公开(公告)号:AT480578T

    公开(公告)日:2010-09-15

    申请号:AT06708815

    申请日:2006-03-27

    Applicant: BASF SE

    Abstract: A method of forming a polyethercarbonate polyol enhances incorporation of CO2 into the polyethercarbonate polyol. The method provides a catalyst including a multimetal cyanide compound. An H-functional initiator, an alkylene oxide, and CO2 are reacted in the presence of the multimetal cyanide compound in a reactor. The method further provides a CO2-philic compound or a CO2-philic substituent. The CO2-philic compound and substituent enhance incorporation of the CO2 into the polyethercarbonate polyol and reduce formation of cyclic alkylene carbonates, such as cyclic propylene carbonate, which are undesirable byproducts.

Patent Agency Ranking