41.
    发明专利
    未知

    公开(公告)号:DE502006006255D1

    公开(公告)日:2010-04-08

    申请号:DE502006006255

    申请日:2006-05-17

    Applicant: BASF SE

    Abstract: The invention relates to a process for producing viscoelastic polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) catalysts, d) blowing agents, wherein ai) diphenylmethane diisocyanate or aii) mixtures of diphenylmethane diisocyanate and polymethylenepolyphenylene polyisocyanates and/or aiii) prepolymers which comprise isocyanate groups and can be prepared by reacting aiv) polyether alcohols with diphenylmethane diisocyanate or mixtures of diphenylmethane diisocyanate and polymethylenepolyphenylene polyisocyanates are used as a) polyisocyanates and mixtures of at least one catalyst ci) and at least one catalyst cii) are used as catalysts.

    ESPUMAS DE POLIURETANO FLEXIBLES ALTAMENTE ELASTICAS.

    公开(公告)号:MX2009006142A

    公开(公告)日:2009-06-18

    申请号:MX2009006142

    申请日:2007-12-06

    Applicant: BASF SE

    Abstract: La presente invención se relaciona a una espuma de poliuretano flexible altamente elástica, la cual puede obtenerse al mezclar a) un poliisocianato con b) por lo menos un compuesto molecular más elevado que comprende por lo menos dos átomos de hidrógeno reactivos, c) un poliéster c1) hiper-ramificado del tipo AxBy, en donde x es por lo menos 1.1 e y es por lo menos 2.1 y/o el policarbonato c2) hiper-ramificado, d) agentes de alargamiento de cadena molecular baja si es aplicable y/o agentes de reticulación, e) un catalizador, f) un propulsor y g) aditivos adicionales si es aplicable. La presente invención además se relaciona a un método para producir la espuma de poliuretano flexible y al uso de la espuma de poliuretano flexible inventiva en la producción de muebles, colchones, productos ortopédicos, asientos para autos además de tapicería en el sector automotriz.

    METHOD FOR PRODUCING MINERAL-BEARING COVER LAYERS FOR FLOOR COVERINGS

    公开(公告)号:CA2697046A1

    公开(公告)日:2009-03-26

    申请号:CA2697046

    申请日:2008-09-12

    Applicant: BASF SE

    Abstract: The present invention relates to a method for producing cover layers for roads, streets, and other traffic surfaces, wherein a mixture, containing mineral material and a polyurethane reaction mixture, and optionally further additives, is produced, applied to an underlying surface material, compacted using a contact pressure of at least 5 N/cm2, and cured, the work being performed substantially without the use of solvents. Furthermore, the present invention relates to cover layers for roads, streets, and other traffic surfaces, obtainable according to such a method.

    METHOD FOR PRODUCING MINERAL-BEARING COVER LAYERS FOR FLOOR COVERINGS

    公开(公告)号:SG184757A1

    公开(公告)日:2012-10-30

    申请号:SG2012068342

    申请日:2008-09-12

    Applicant: BASF SE

    Abstract: Method for producing mineral-bearing cover layers for floor coveringsThe present invention relates to a method for producing cover layers for roads, streets, and other traffic surfaces, wherein a mixture, containing mineral material and a polyurethane reaction mixture, and optionally further additives, is produced, applied to an underlying surface material, compacted using a contact pressure of at least 5 N/cm2, and cured, the work being performed substantially without the use of solvents. Furthermore, the present invention relates to cover layers for roads, streets, and other traffic surfaces, obtainable according to such a method.No suitable figure.

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