Process for producing rigid polyurethane foams

    公开(公告)号:AU2011246621B2

    公开(公告)日:2015-04-30

    申请号:AU2011246621

    申请日:2011-04-20

    Applicant: BASF SE

    Abstract: The invention relates to a process for producing polyurethanes via reaction of a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive towards isocyanate groups, characterized in that the compounds b) having at least two hydrogen atoms reactive towards isocyanate groups contain at least one polyether alcohol b1) which has been produced via reaction of an aromatic amine b1a) with propylene oxide with use, as catalyst, of an amine b1b) which differs from b1a).

    PROCESS FOR PRODUCING RIGID POLYURETHANE FORMS

    公开(公告)号:ZA201208780B

    公开(公告)日:2014-01-29

    申请号:ZA201208780

    申请日:2012-11-22

    Applicant: BASF SE

    Abstract: The invention relates to a process for producing polyurethanes via reaction of a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive towards isocyanate groups, characterized in that the compounds b) having at least two hydrogen atoms reactive towards isocyanate groups contain at least one polyether alcohol b1) which has been produced via reaction of an aromatic amine b1a) with propylene oxide with use, as catalyst, of an amine b1b) which differs from b1a).

    METHODS FOR PRODUCING POLYETHEROLS
    55.
    发明专利

    公开(公告)号:SG185398A1

    公开(公告)日:2012-12-28

    申请号:SG2012080875

    申请日:2011-05-11

    Applicant: BASF SE

    Abstract: 19Methods for producing polyetherols Abstract5 The present invention relates to processes for producing polyetherols, in particular to polyetherol block structures, to novel catalysts for use in said processes, and to thepolyetherols that can be produced via the process of the invention. The present invention further relates to the use, for producing polyurethanes, of the polyetherols that can be produced in the invention.10 No suitable figure

    PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS

    公开(公告)号:SG184861A1

    公开(公告)日:2012-11-29

    申请号:SG2012076279

    申请日:2011-04-20

    Applicant: BASF SE

    Abstract: 19AbstractProcess for producing rigid polyurethane foams5 The Invention relates to a process for producing polyurethanes by reactingpolyisocyanates withcompounds having at least two hydrogen atoms which are reactive toward 10 isocyanate groups,wherein the compounds b) having at least two hydrogen atoms which are reactive toward isocyanate groups comprise at least one polyether alcohol b1) which has been prepared by reaction of an aromatic amine bla) with propylene oxide using an amine15 bib) which is different from b1a) as catalyst.No suitable figure

    PREPARACION DE ALCOHOLES DE POLIETER.

    公开(公告)号:MX2012009808A

    公开(公告)日:2012-09-12

    申请号:MX2012009808

    申请日:2011-02-22

    Applicant: BASF SE

    Abstract: En un proceso para preparar un alcohol de poliéter d1) mediante la reacción de a) por lo menos un compuesto que tiene al menos tres átomos de hidrógeno reactivos con óxido de alquileno y un peso molecular de Mn de no más de 600 g/mol con b) un óxido de alquileno al utilizar c) un catalizador, tal reacción se lleva a cabo en la presencia de un alcohol de poliéter d) que tiene un número hidroxilo de 100-800 mg de KOH/g y una funcionalidad de 1.5 a 8.

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