1.
    发明专利
    未知

    公开(公告)号:AT512178T

    公开(公告)日:2011-06-15

    申请号:AT04763147

    申请日:2004-07-09

    Applicant: BASF SE

    Abstract: The invention relates to a thermoplastic polyurethane comprising the following structural unit: R2-CO-NH-R-Si(R1)3-x(OR1)x where: R is an aliphatic, araliphatic, or aromatic organic radical having from 1 to 20 hydrocarbon atoms, R1 is an alkyl radical or aryl radical having from 1 to 10 carbon atoms, R2 is -NR3-CO-R4 or -O-R5-O-, R3 is a section of the polymer chain of the thermoplastic polyurethane, in particular a radical which derives from the diisocyanate used to prepare the thermoplastic polyurethane, R4 is a section of the polymer chain of the thermoplastic polyurethane, in particular a radical which derives from the following compounds used to prepare the thermoplastic polyurethane: compounds (b) reactive toward isocyanates, or from the chain extender (c), R5 is an alkylene radical having from 2 to 8 carbon atoms, preferably from 3 to 6 carbon atoms, and x is 1, 2 or 3.

    4.
    发明专利
    未知

    公开(公告)号:AT540989T

    公开(公告)日:2012-01-15

    申请号:AT04803311

    申请日:2004-11-27

    Applicant: BASF SE

    Abstract: The invention relates to a process for reacting (i) thermoplastic polyurethanes with (ii) compounds having isocyanate groups, where the (ii) compounds used having isocyanate groups comprise (iia) compounds having at least three isocyanate groups based on aliphatic isocyanates and (iib) compounds having two isocyanate groups based on aromatic isocyanates.

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