3.
    发明专利
    未知

    公开(公告)号:AT478903T

    公开(公告)日:2010-09-15

    申请号:AT02726228

    申请日:2002-03-28

    Applicant: BASF SE

    Abstract: Cellular polyisocyanate polyadducts are prepared by reacting (a) isocyanates with (b) compounds reactive toward isocyanates and (d) water, by a process in which a polyester having 2 hydroxyl groups and based on the condensation of at least one dicarboxylic acid with at least one alkanediol and/or alkenediol of 3 to 6 carbon atoms, whose carbon skeleton has at least one alkyl and/or alkenyl side chain between the hydroxyl groups, is used as (b).

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