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    Thermoplastic polyurethane
    11.
    发明授权
    Thermoplastic polyurethane 有权

    公开(公告)号：US11542361B2

    公开(公告)日：2023-01-03

    申请号：US16623651

    申请日：2018-06-26

    Applicant: BASF SE

    Inventor： Frank Schaefer ,  Elmar Poeselt ,  Sirus Zarbakhsh

    IPC: C08J5/18 ,  C08G18/76 ,  B29C48/00 ,  B29C48/08 ,  C08G18/22 ,  C08G18/24 ,  C08G18/42 ,  C08G18/66 ,  C08K3/34 ,  B29K75/00 ,  B29K101/12 ,  B29K105/00 ,  B29K105/16

    Abstract: The present invention relates to thermoplastic polyurethanes obtainable or obtained by reacting at least a polyisocyanate composition comprising at least one polyisocyanate, at least one chain extender, and at least one polyol composition, wherein the polyol composition comprises at least one polyester polyol (P1) which is obtainable by reacting an aliphatic dicarboxylic acid having 2 to 12 carbon atoms and a mixture (M1) comprising propane-1,3-diol and a further diol (D1) having 2 to 12 carbon atoms, preferably butane-1,4-diol. The present invention also relates to a preparation process for such thermoplastic polyurethanes and also to the use of a thermoplastic polyurethane according to the invention or of a thermoplastic polyurethane obtainable or obtained by a process according to the invention for the production of extrusion products, films and shaped bodies or for the production of polymer compositions.

    Thermoplastic polyurethane
    12.
    发明授权
    Thermoplastic polyurethane 有权

    公开(公告)号：US11535697B2

    公开(公告)日：2022-12-27

    申请号：US16632230

    申请日：2018-07-19

    Applicant: BASF SE

    Inventor： Julia Christa Jaehnigen ,  Nabarun Roy ,  Elmar Poeselt ,  Dejan Petrovic ,  Peter Gutmann ,  Dirk Kempfert

    IPC: C08G18/66 ,  C08G18/32 ,  C08G18/42 ,  C08G18/61 ,  C08G18/73 ,  C08G18/76 ,  C08J9/16 ,  C08G101/00 ,  C08L75/04

    Abstract: The present invention relates to a polyurethane, in particular a thermoplastic polyurethane, obtainable or obtained by reacting at least the components (i) to (ii): (i) a polyisocyanate composition; (ii) a polyol composition, comprising (ii.1) at least one polyester diol or polyether diol having a number-average molecular weight in the range from 500 to 3000 g/mol, (ii.2) at least one polysiloxane having two terminal isocyanate-reactive functionalities selected from the group consisting of thio group, hydroxyl group and amino group. The invention additionally relates to a process for preparing this polyurethane, to the use thereof, to a molded body comprising the polyurethane. Furthermore, the invention relates to foam beads based on polyurethane, obtained or obtainable from the polyurethane, to a process for producing foam beads and also to bead foams and to the use thereof.

    Method for producing a diblock copolymer
    13.
    发明授权
    Method for producing a diblock copolymer 有权

    公开(公告)号：US11267928B2

    公开(公告)日：2022-03-08

    申请号：US16078041

    申请日：2017-02-22

    Applicant: BASF SE

    Inventor： Frank Prissok ,  Elmar Poeselt ,  Dirk Kempfert ,  Florian Puch ,  Martina Schoemer

    IPC: C08G18/40 ,  C08G18/08 ,  C08G18/24 ,  C08G18/42 ,  C08G18/48 ,  C08G18/73 ,  C08G18/76 ,  C08G101/00

    Abstract: The present invention relates to a process for producing a diblock copolymer comprising the reaction of at least one aromatic polyester having a melting point in the range from 160° C. to 350° C. and at least one polymer diol having a melting point of less than 100° C. at a temperature of greater than 200° C. to obtain a mixture (G-a); and the reaction of the mixture (G-a) with at least one diisocyanate, wherein the diisocyanate is employed in a molar amount of at least 0.9 based on the alcohol groups of the polymer diols. The present invention further relates to diblock copolymers obtained or obtainable according to such a process and to the use of such diblock copolymers for producing extruded, injection molded and pressed articles and also foams, cable sheaths, hoses, profiles, drive belts, fibers, nonwovens, films, moldings, plugs, housings, damping elements for the electricals industry, automotive industry, mechanical engineering, 3-D printing, medicine and consumer goods.

    Isocyanate-polyamide block copolymers
    14.
    发明授权
    Isocyanate-polyamide block copolymers 有权

    公开(公告)号：US12173152B2

    公开(公告)日：2024-12-24

    申请号：US17286827

    申请日：2019-10-22

    Applicant: BASF SE

    Inventor： Frank Prissok ,  Florian Puch ,  Elmar Poeselt

    IPC: C08L77/00 ,  C08G18/20 ,  C08G18/34 ,  C08G18/48 ,  C08G18/76

    Abstract: A thermoplastic polyamide can be obtained through the reaction of at least the components (i), (ii), and (iii), where a catalyst having a Lewis base component is used in the reaction. Component (i) is a composition containing a polymeric compound having two carboxylic acid moieties; component (ii) is a dicarboxylic acid composition containing at least one dicarboxylic acid; and component (iii) is a diisocyanate composition containing at least one diisocyanate. A process can be used for producing the thermoplastic polyamide and a method for the use thereof. A tandem reactive extruder can be used for the reaction.

    Memory foam based on thermoplastic polyurethane
    20.
    发明授权
    Memory foam based on thermoplastic polyurethane 有权

    公开(公告)号：US10563004B2

    公开(公告)日：2020-02-18

    申请号：US15561747

    申请日：2016-03-23

    Applicant: BASF SE

    Inventor： Stefan Bokern ,  Frank Prissok ,  Sebastian Hartwig ,  Elmar Poeselt ,  Julia Goeschel ,  Uwe Keppeler

    IPC: C08G18/32 ,  C08G18/48 ,  C08J9/228

    Abstract: The present invention relates to a process for producing a molding (FK), comprising the production of a thermoplastic polyurethane, comprising the reaction of at least one polyisocyanate composition, at least one chain extender, and at least one polyol composition, the production of a molding (FK*) from the thermoplastic polyurethane, the heating of the molding (FK*) to a temperature below the temperature at which the molding (FK*) is permanently deformable, and above the switching temperature of the thermoplastic polyurethane, the compressing of the heated molding (FK*) to give a molding (FK), and the cooling of the molding (FK) to a temperature below the switching temperature of the thermoplastic polyurethane, and also to the moldings obtainable or obtained by such a process.

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