1.
    发明专利
    未知

    公开(公告)号:AT552967T

    公开(公告)日:2012-04-15

    申请号:AT06724857

    申请日:2006-02-21

    Applicant: BASF SE

    Abstract: Article (A), free of any chemical adhesion mediator, comprises adherently bonded thermoplastic polyurethane (PU) and polystyrene (PS). An independent claim is included for preparation of (A) by plasma treatment of the surface of a PS article then contacting this surface with PU.

    Procedimiento para la reacción de poliuretanos termoplásticos con compuestos que presentan grupos isocianato

    公开(公告)号:ES2480515T3

    公开(公告)日:2014-07-28

    申请号:ES08717991

    申请日:2008-03-19

    Applicant: BASF SE

    Inventor: HILMER KLAUS

    Abstract: Procedimiento para la reacción de poliuretanos termoplásticos con compuestos que presentan grupos isocianato, caracterizado porque - la reacción se lleva a cabo en presencia de un prepolímero que representa el producto de reacción de (a) isocianatos con (b) compuestos reactivos frente a isocianatos con un peso molecular entre 500 g/mol y10000 g/mol, preferentemente entre 2000 g/mol y 8000 g/mol, - y el prepolímero presenta una temperatura de transición vítrea Tg medida mediante DSC conforme a la norma DIN EN ISO 11357-1 inferior a -35 ºC, - haciéndose reaccionar el poliuretano termoplástico con una mezcla de compuestos que presentan grupos isocianato y presentando esta mezcla una funcionalidad isocianato entre 2,1 y 3, y el poliuretano termoplástico se granula y el poliuretano termoplástico granulado sólido se introduce a través de un medio auxiliar de alimentación con los compuestos que presentan grupos isocianato líquidos o viscosos en una extrusora o un aparato de fundición inyectada.

    7.
    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.

    8.
    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.

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