公开(公告)号：US20220025097A1

公开(公告)日：2022-01-27

申请号：US17309421

申请日：2019-11-29

Applicant: BASF SE

Inventor： Frank Schaefer ,  Michael Freese ,  Elmar Poeselt ,  Etsuhiro Yamamoto ,  Yasuyuki Suzuki ,  Dai Watanabe ,  Patrick Drawe

IPC: C08G18/10 ,  C08G18/32 ,  C08G18/48

Abstract: A thermoplastic polyurethane having a glass transition temperature of the soft phase of not more than −25° C. measured using DMA and a heating rate of 2K/min at 1 Hz under torsion based on DIN EN ISO 6721: 2016; maximum G″ can be obtained by a process at least including the reaction of a polyol composition including a polypropylene glycol, wherein the proportion of the secondary terminal OH groups based on the total number of terminal OH groups of the polypropylene glycol is in the range of more than 90%, with a polyisocyanate to obtain a polyol composition including a prepolymer and the reaction of the polyol composition including the prepolymer with a polyisocyanate composition including at least one polyisocyanate and at least one chain extender having a molecular weight

公开(公告)号：US12168712B2

公开(公告)日：2024-12-17

申请号：US17309421

申请日：2019-11-29

Applicant: BASF SE

Inventor： Frank Schaefer ,  Michael Freese ,  Elmar Poeselt ,  Etsuhiro Yamamoto ,  Yasuyuki Suzuki ,  Dai Watanabe ,  Patrick Drawe

IPC: C08G18/10 ,  C08G18/32 ,  C08G18/48

Abstract: A thermoplastic polyurethane having a glass transition temperature of the soft phase of not more than −25° C. measured using DMA and a heating rate of 2K/min at 1 Hz under torsion based on DIN EN ISO 6721: 2016; maximum G″ can be obtained by a process at least including the reaction of a polyol composition including a polypropylene glycol, wherein the proportion of the secondary terminal OH groups based on the total number of terminal OH groups of the polypropylene glycol is in the range of more than 90%, with a polyisocyanate to obtain a polyol composition including a prepolymer and the reaction of the polyol composition including the prepolymer with a polyisocyanate composition including at least one polyisocyanate and at least one chain extender having a molecular weight

公开(公告)号：US20240182626A1

公开(公告)日：2024-06-06

申请号：US18555434

申请日：2022-04-14

Applicant: BASF SE

Inventor： Frederic Lucas ,  Tobias Gienau ,  Stephan Dohmen ,  Lennart Karl Bernhard Garve ,  Frank Schaefer

IPC: C08G18/09 ,  C08G18/18 ,  C08G18/48

CPC classification number: C08G18/095 ,  C08G18/1875 ,  C08G18/4833

Abstract: A process can be used for the preparation of a carbodiimide and/or a polycarbodiimide, where the process is particularly essentially free of an alkali metal. The carbodiimide and/or polycarbodiimide obtained and/or obtainable by the process and uses thereof are also provided.

公开(公告)号：US11813826B2

公开(公告)日：2023-11-14

申请号：US17996320

申请日：2021-04-08

Applicant: BASF SE

Inventor： Marcus Harald Bluemel ,  Hilar Altenhofer ,  Frank Schaefer ,  Johannes Fischer ,  Anja Oltmanns ,  Torsten Neises

IPC: B32B27/08 ,  B32B7/12 ,  B32B25/08 ,  B32B25/14 ,  B32B27/18 ,  B32B27/30 ,  B32B27/32 ,  B32B27/40

CPC classification number: B32B27/08 ,  B32B7/12 ,  B32B25/08 ,  B32B25/14 ,  B32B27/18 ,  B32B27/30 ,  B32B27/302 ,  B32B27/304 ,  B32B27/306 ,  B32B27/32 ,  B32B27/40 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2307/21 ,  B32B2307/51

Abstract: A stretchable antistatic film can be formed in a production process using a specific thermoplastic polyurethane. The thermoplastic polyurethane is useful for the production of said film.

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：US09481641B2

公开(公告)日：2016-11-01

申请号：US14429151

申请日：2013-09-19

Applicant: BASF SE

Inventor： Karl Haeberle ,  Maria Teresa Hechavarria Fonseca ,  Lars Rehling ,  Frank Schaefer ,  Fatemeh Ahmadnian ,  Heinrich Bollmann ,  Markus Bubolz ,  Carsten Buschmann ,  Guenter Scholz ,  Maria Thomas

IPC: C07C267/00 ,  C08G73/00 ,  C08G69/00 ,  C08G18/48 ,  C08G18/65 ,  C08G18/67 ,  C08G18/32

CPC classification number: C07C267/00 ,  C08G18/3206 ,  C08G18/4854 ,  C08G18/6511 ,  C08G18/6705 ,  C08G69/00 ,  C08G73/00 ,  Y02P20/582

Abstract: A process for purifying a polycarbodiimide comprising (a) providing a mixture comprising a polycarbodiimide and a carbodiimidization catalyst; (b) separating carbodiimidization catalyst from the polycarbodiimide by subjecting the mixture according to (a) to a first distillation, (c) adding an entrainer to the first bottom product obtained from (b) to obtain a mixture; (d) further separating carbodiimidization catalyst from the polycarbodiimide by subjecting the mixture obtained from (c) to a second distillation.

Abstract translation: 一种纯化聚碳化二亚胺的方法，包括（a）提供包含聚碳化二亚胺和碳二亚胺化催化剂的混合物; （b）通过使根据（a）的混合物进行第一次蒸馏来分离碳二亚胺化催化剂，（c）向（b）得到的第一塔底物中加入夹带剂以获得混合物; （d）通过使由（c）得到的混合物进行第二蒸馏，从碳二亚胺进一步分离碳二亚胺化催化剂。

公开(公告)号：US09416213B2

公开(公告)日：2016-08-16

申请号：US14429227

申请日：2013-09-19

Applicant: BASF SE

Inventor： Markus Bubolz ,  Karl Haeberle ,  Kai Henke ,  Dirk Kempfert ,  Markus Kraemer ,  Sven Lawrenz ,  Frank Schaefer ,  Maria Thomas ,  Ulrich Treuling

IPC: C08G18/00 ,  C08G18/02 ,  C08G18/08 ,  C08G18/09

CPC classification number: C08G18/025 ,  C08G18/0838 ,  C08G18/095 ,  C08G2105/06 ,  Y02P20/582

Abstract: A process for producing a polycarbodiimide, comprising polymerizing a diisocyanate in the presence of a carbodiimidization catalyst in a reaction vessel in liquid phase at a temperature in the range of from 20 to 250° C., at a pressure in the range of from 20 to 800 mbar and in the presence of at least one inert gas, wherein the at least one inert gas is introduced into the liquid phase in the reaction vessel with a flow rate in the range of from 0.1 x/h to 100 x/h, x being the volume of the reaction vessel.

Abstract translation: 一种聚碳化二亚胺的制造方法，其特征在于，在碳二亚胺化催化剂存在下，在20〜250℃的温度范围内，在20〜250℃的温度范围内， 800毫巴，并且在至少一种惰性气体存在下，其中所述至少一种惰性气体以0.1×2 /小时至100×/小时的流速引入反应容器中的液相中，x 是反应容器的体积。