1.
    发明专利
    未知

    公开(公告)号:AT552284T

    公开(公告)日:2012-04-15

    申请号:AT04791088

    申请日:2004-10-30

    Applicant: BASF SE

    Abstract: The invention relates to a process for preparing prepolymers containing isocyanate groups by reacting a) diisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) catalysts, and subsequently separating off the excess monomeric diisocyanates, wherein the diisocyanates a) used are unsymmetrical diisocyanates and the catalysts c) used are organometallic catalysts and these organometallic catalysts are removed, blocked or deactivated before the monomeric diisocyanates are separated off.

    3.
    发明专利
    未知

    公开(公告)号:AT496076T

    公开(公告)日:2011-02-15

    申请号:AT02802996

    申请日:2002-11-08

    Applicant: BASF SE

    Abstract: The invention relates to a method for producing polyurethanes by reacting an isocyanate constituent (B) with a polyol constituent (A). The inventive method is characterized in that ethylene glycol (C1) and diethylene glycol (C2) are added as chain-lengthening agents to the reaction. The invention also relates to the use of the polyurethanes for producing shaped bodies, particularly shoe soles.

    4.
    发明专利
    未知

    公开(公告)号:DE50114152D1

    公开(公告)日:2008-09-04

    申请号:DE50114152

    申请日:2001-10-11

    Applicant: BASF SE

    Abstract: The invention relates to a catalyst system containing at least one catalyst c) which catalyses a reaction of polyisocyanates a) with compounds b) with at least two hydrogen atoms which are reactive with respect to isocyanate groups, encapsulated in wax.

    5.
    发明专利
    未知

    公开(公告)号:AT402204T

    公开(公告)日:2008-08-15

    申请号:AT01986703

    申请日:2001-10-11

    Applicant: BASF SE

    Abstract: The invention relates to a catalyst system containing at least one catalyst c) which catalyses a reaction of polyisocyanates a) with compounds b) with at least two hydrogen atoms which are reactive with respect to isocyanate groups, encapsulated in wax.

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