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    THERMOPLASTIC POLYURETHANE FROM RECYCLED RAW MATERIALS
    2.
    发明申请
    THERMOPLASTIC POLYURETHANE FROM RECYCLED RAW MATERIALS 有权

    公开(公告)号：US20210017326A1

    公开(公告)日：2021-01-21

    申请号：US16980084

    申请日：2019-03-12

    Applicant: BASF SE

    Inventor： Frank PRISSOK ,  Elmar POESELT ,  Dirk KEMPFERT ,  Lionel GEHRINGER ,  Juergen WEISER ,  Matthias GOLDBECK

    IPC: C08G18/50 ,  C08J11/04 ,  C08G18/76 ,  C08F4/80

    Abstract: The present invention relates to a process for producing a thermoplastic polyurethane reacting at least one thermoplastic polyurethane (TPU-1) or a polyurethane mixture comprising a thermoplastic polyurethane (TPU-1) with at least one compound (V1) comprising two hydroxyl groups to obtain a mixture (G-a) comprising a thermoplastic polyurethane (TPU-2) and the reaction of the mixture (G-a) with a mixture (G-b) comprising an isocyanate composition (ZI) comprising at least one diisocyanate and optionally and a polyol composition (ZP) comprising at least one polyol (P2) to obtain a thermoplastic polyurethane (TPU target), wherein the proportion of the employed components (ZI) and (ZP) is matched to the hard segment content of the employed thermoplastic polyurethane (TPU-1), (V1) and the hard segment content of the thermoplastic polyurethane (TPU target). The invention further relates to a thermoplastic polyurethane obtained or obtainable by such a process and to the use thereof for producing extruded, injection molded and pressed articles as well as foams, cable sheathings, hoses, profiles, drive belts, fibers, nonwovens, films, moldings, soles, sporting goods, shoes, plugs, housings, damping elements for the electricals industry, automotive industry, mechanical engineering, 3D printing, medicine and consumer goods.

    THERMOPLASTIC POLYURETHANE
    3.
    发明申请
    THERMOPLASTIC POLYURETHANE 审中-公开

    公开(公告)号：US20190389999A1

    公开(公告)日：2019-12-26

    申请号：US16481709

    申请日：2018-02-13

    Applicant: BASF SE

    Inventor： Nabarun ROY ,  Fin LAMMERS ,  Dirk KEMPFERT ,  Elmar POESELT

    IPC: C08G18/76 ,  C08G18/66 ,  C08G18/42 ,  C08G18/32

    Abstract: The present invention relates to thermoplastic polyurethanes obtainable or obtained by reaction of at least one polyisocyanate composition, at least one chain extender (KV1) of general formula (I) and one further chain extender (KV2) selected from the group consisting of compounds having at least two isocyanate-reactive groups having a molecular weight of

    PRODUCTION PROCESS FOR POLYETHER ESTER ELASTOMERS
    5.
    发明申请
    PRODUCTION PROCESS FOR POLYETHER ESTER ELASTOMERS 有权

    公开(公告)号：US20210040255A1

    公开(公告)日：2021-02-11

    申请号：US16979740

    申请日：2019-03-14

    Applicant: BASF SE

    Inventor： Frank PRISSOK ,  Elmar POESELT ,  Martina SCHOEMER ,  Florian PUCH ,  Dirk KEMPFERT

    IPC: C08F293/00

    Abstract: A process for producing a block copolymer may involve reacting at least one aromatic polyester having a melting point in the range from 160 to 350° C. with at least one second compound selected from diamines and diols at temperatures greater than 160° C. to obtain a mixture; and heating the mixture at a temperature in the range from 100° C. to 300° C. for from 1 to 240 hours to obtain a block copolymer, wherein in the reacting, the second compound is employed in an amount of 0.02 to 0.3 mol per mol of ester bond in the polyester. Block copolymers may be obtained by such a process and used for producing extruded, injection molded and pressed articles and also foams, foam particles, shoe soles, cable sheaths, hoses, profiles, drive belts, fibers, nonwovens, films, moldings, plugs, housings, damping elements for the electronic/automotive industry, mechanical engineering, 3-D printing, medicine, or consumer goods.

    METHOD FOR PRODUCING THERMOPLASTIC POLYURETHANES
    6.
    发明申请
    METHOD FOR PRODUCING THERMOPLASTIC POLYURETHANES 审中-公开

    公开(公告)号：US20180319981A1

    公开(公告)日：2018-11-08

    申请号：US15772947

    申请日：2016-10-14

    Applicant: BASF SE

    Inventor： Oliver Steffen HENZE ,  Dirk KEMPFERT

    IPC: C08L75/04 ,  C08G18/22 ,  C08G18/32 ,  C08G18/75

    CPC classification number: C08L75/04 ,  C08G18/0895 ,  C08G18/227 ,  C08G18/3206 ,  C08G18/4854 ,  C08G18/6674 ,  C08G18/758 ,  C08L2203/16

    Abstract: The present invention relates to a method for producing a thermoplastic polyurethane that comprises reacting an isocyanate composition at least comprising 4,4′-diisocyanatodicyclohexylmethane (H12MDI) with a polyol composition (PZ) in the presence of a catalyst composition at least comprising a bismuth-containing compound selected from bismuth (tricarboxylate) catalysts, where the carboxyl radicals independently of one another have 6 to 12 carbon atoms, to give a melt and producing pellets from the resulting melt. The present invention further relates to a thermoplastic polyurethane obtained or obtainable by the method of the invention, and also to the use for producing films, profiles, cable sheathing, and sheathing of LED strips.

    THERMOPLASTIC POLYURETHANE
    8.
    发明申请
    THERMOPLASTIC POLYURETHANE 审中-公开

    公开(公告)号：US20200231739A1

    公开(公告)日：2020-07-23

    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 ,  C08G18/76 ,  C08G18/73 ,  C08G18/32 ,  C08G18/42 ,  C08G18/61 ,  C08J9/16

    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
    9.
    发明申请
    METHOD FOR PRODUCING A DIBLOCK COPOLYMER 审中-公开

    公开(公告)号：US20190055341A1

    公开(公告)日：2019-02-21

    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 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76 ,  C08G18/73 ,  C08G18/08

    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.

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