公开(公告)号：US10927233B2

公开(公告)日：2021-02-23

申请号：US15115285

申请日：2015-01-21

Applicant: BASF SE

Inventor： Frank Schaefer ,  Henning Wettach

IPC: C08K5/11 ,  C08K5/29 ,  C08K5/00 ,  C08G18/34 ,  C08K5/10 ,  C08K5/521 ,  C08J3/18 ,  C08G18/79 ,  C08G18/32 ,  C08G18/42 ,  C08J5/00

Abstract: The present invention relates to a process for producing a thermoplastic polyurethane, comprising the provision of a composition Z(W) comprising at least one carbodiimide selected from the group consisting of monomeric aliphatic carbodiimides, oligomeric aliphatic carbodiimides, polymeric aliphatic carbodiimides, monomeric aromatic carbodiimides, oligomeric aromatic carbodiimides and polymeric aromatic carbodiimides, and at least one ester selected from the group consisting of citric acid esters, acetyl citric acid esters, phthalic acid esters, benzoic acid esters, adipic acid esters, hydrogenated phthalic acid esters and phosphoric acid esters; and the subsequent addition of the composition Z(W) to a thermoplastic polyurethane or a reaction mixture for producing a thermoplastic polyurethane. Further, the present invention relates to a thermoplastic polyurethane obtainable or obtained by a process according to the invention and to the use of the composition Z(W) as plasticizer for thermoplastic polyurethanes. The present invention also relates to moldings comprising a thermoplastic polyurethane according to the invention.

公开(公告)号：US09957347B2

公开(公告)日：2018-05-01

申请号：US14770224

申请日：2014-02-24

Applicant: BASF SE

Inventor： Frank Prissok ,  Henning Wettach

IPC: C08G18/10 ,  C08G18/76 ,  C08G18/73 ,  C08G18/66 ,  C08G18/08 ,  C08G18/12 ,  C09D175/06 ,  C08G18/42 ,  C08G18/32 ,  C08G18/34

CPC classification number: C08G18/73 ,  C08G18/0895 ,  C08G18/10 ,  C08G18/12 ,  C08G18/3206 ,  C08G18/348 ,  C08G18/4238 ,  C08G18/664 ,  C08G18/7671 ,  C08G2350/00 ,  C09D175/06 ,  C08G18/7664

Abstract: The present invention relates to a process for producing a polyurethane, comprising at least the following steps (A) bringing at least one polymer polyol into contact with an amount of from 0.1 to 20 mol %, based on the entire amount of polyisocyanate, of at least one first polyisocyanate, in order to obtain a prepolymer which in essence has terminal hydroxy groups, and (B) bringing the prepolymer from step (A) into contact with at least one second polyisocyanate and optionally with further additives, in order to obtain the polyurethane, to a polyurethane obtainable via said process, and also to the use of this polyurethane as cladding in automobiles, coatings, cables, plug connectors, solar modules, foils, moldings, shoe soles and shoe components, balls and ball components, rollers, fibers, profiles, laminates and wiper blades, hoses, cable plugs, bellows, drag cables, cable sheathing, gaskets, nonwoven fabrics, drive belts, or damping elements.

公开(公告)号：US09920159B2

公开(公告)日：2018-03-20

申请号：US14770224

申请日：2014-02-24

Applicant: BASF SE

Inventor： Frank Prissok ,  Henning Wettach

IPC: C08G18/10 ,  C08G18/76 ,  C08G18/73 ,  C08G18/66 ,  C08G18/08 ,  C08G18/12 ,  C09D175/06 ,  C08G18/42 ,  C08G18/32 ,  C08G18/34

Abstract: The present invention relates to a process for producing a polyurethane, comprising at least the following steps (A) bringing at least one polymer polyol into contact with an amount of from 0.1 to 20 mol %, based on the entire amount of polyisocyanate, of at least one first polyisocyanate, in order to obtain a prepolymer which in essence has terminal hydroxy groups, and (B) bringing the prepolymer from step (A) into contact with at least one second polyisocyanate and optionally with further additives, in order to obtain the polyurethane, to a polyurethane obtainable via said process, and also to the use of this polyurethane as cladding in automobiles, coatings, cables, plug connectors, solar modules, foils, moldings, shoe soles and shoe components, balls and ball components, rollers, fibers, profiles, laminates and wiper blades, hoses, cable plugs, bellows, drag cables, cable sheathing, gaskets, nonwoven fabrics, drive belts, or damping elements.

公开(公告)号：US11970568B2

公开(公告)日：2024-04-30

申请号：US16972305

申请日：2019-06-05

Applicant: BASF SE

Inventor： Oliver Steffen Henze ,  Denis Bouvier ,  Henning Wettach ,  Fin Lammers

IPC: C08G18/32 ,  A43B5/04 ,  C08G18/08 ,  C08G18/10 ,  C08G18/48 ,  C08G18/66 ,  C08G18/76 ,  B29D35/00 ,  B29K75/00

CPC classification number: C08G18/6674 ,  A43B5/0486 ,  C08G18/0895 ,  C08G18/3206 ,  C08G18/4808 ,  C08G18/4854 ,  C08G18/7671 ,  B29D35/0009 ,  B29K2075/00

Abstract: The present invention relates to a thermoplastic polyurethane (TPU-1) obtained or obtainable by reaction of an isocyanate composition (IZ) comprising MDI with a polyol composition (PZ), wherein the polyol composition (PZ) comprises at least one polyol (P1) and a chain extender (KV1), wherein the polyol (P1) is selected from polytetrahydrofurans having an average molecular weight Mn in the range from 1200 to 2000 g/mol and the chain extender (KV1) is selected from the group consisting of 1,3-propanediol, 1,4-butanediol and 1,6-hexanediol and also to a process for producing a ski shoe or a part of a ski shoe from the thermoplastic polyurethane according to the invention and to the ski shoe or part of a ski shoe per se.

公开(公告)号：US20220185938A1

公开(公告)日：2022-06-16

申请号：US17599243

申请日：2020-03-29

Applicant: BASF SE

Inventor： Daniela Bodmann ,  Carsten Hinke ,  Nadine Schliebe ,  Jan-Michael Dreisoerner ,  Henning Wettach ,  Hendrik Wagner ,  Julio Albuerne ,  Florian Puch

IPC: C08G18/08 ,  C08G8/12 ,  B01J19/00

Abstract: Described herein is a continuous process for producing polyurethane prepolymers in a residence time reactor with plug flow. Also described herein is a method of using these prepolymers for producing polyurethanes.

公开(公告)号：US11124594B2

公开(公告)日：2021-09-21

申请号：US14901833

申请日：2014-06-20

Applicant: BASF SE

Inventor： Henning Wettach ,  Kathrin Isenbügel

IPC: C08G18/42 ,  C08G18/10 ,  C08G18/66

Abstract: The present invention relates to polyurethanes based on at least one polyisocyanate and at least one polyester polyol, wherein the polyester polyol is based on at least one polyhydric alcohol and a mixture of two or more dicarboxylic acids, wherein at least one of the two or more dicarboxylic acids is at least partly obtained from renewable raw materials, to processes for producing such polyurethanes and also to moldings comprising such polyurethanes. The polyurethanes of the present invention have minimal tendency to bloom.