公开(公告)号：US20240262954A1

公开(公告)日：2024-08-08

申请号：US18561186

申请日：2022-05-09

申请人： BASF SE

发明人： Sebastian Richter ,  Yasuyuki Suzuki ,  Stephan Dohmen ,  Shi Qing Guo ,  Da Hai Yu

IPC分类号： C08G18/66 ,  C08G18/32 ,  C08G18/42 ,  C08G18/76 ,  H04M1/02

CPC分类号： C08G18/664 ,  C08G18/3206 ,  C08G18/4202 ,  C08G18/4225 ,  C08G18/4238 ,  C08G18/7671 ,  H04M1/0283

摘要： A thermoplastic polyurethane (TPU) with high transparency and improved stain resistance is made. The process for producing a shaped body out of such a thermoplastic polyurethane is developed for consumer applications.

公开(公告)号：US20150133610A1

公开(公告)日：2015-05-14

申请号：US14600106

申请日：2015-01-20

申请人： BASF SE

发明人： Bin-Eric CHEN ,  Frank Schaefer ,  Dirk Kempfert ,  Christoph Bahr ,  Guenter Scholz ,  Teruya Ohkuwa ,  Martin Vallo ,  Carsten Guenther ,  Harald Schulz ,  Yasuyuki Suzuki ,  Tien Kuan Lim

IPC分类号： C08G18/66 ,  C08G18/76

CPC分类号： C08G18/664 ,  C08G18/0895 ,  C08G18/4238 ,  C08G18/4854 ,  C08G18/6674 ,  C08G18/7657 ,  C08G18/7671 ,  C08G18/797 ,  C08G2120/00 ,  C08J3/18 ,  C08J2375/04 ,  C08K5/0016 ,  C08K5/005 ,  C08K5/11 ,  C08L75/04

摘要： The invention refers to a thermoplastic polyurethane produced from at least an organic diisocyanate and a compound which is reactive toward isocyanates, wherein the polyurethane comprises the ester of a tricarboxylic acid with at least one alcohol and wherein all acid groups of the tricarboxylic acid are esterified with an alcohol. The invention further refers to a process for producing the respective polyurethane, products comprising this thermoplastic polyurethane and the use of the ester of a tricarboxylic acid as plasticizer in thermoplastic polyurethanes.

摘要翻译： 本发明涉及由至少一种有机二异氰酸酯制得的热塑性聚氨酯和对异氰酸酯具有反应性的化合物，其中该聚氨酯包含三羧酸与至少一种醇的酯，其中三羧酸的所有酸基均被 一个酒精。 本发明还涉及生产各种聚氨酯的方法，包括该热塑性聚氨酯的产品以及三羧酸酯作为热塑性聚氨酯的增塑剂的用途。

公开(公告)号：US11339504B2

公开(公告)日：2022-05-24

申请号：US16478344

申请日：2018-02-08

申请人： BASF SE

发明人： Yasuyuki Suzuki

IPC分类号： D01D5/10 ,  D01F6/70 ,  D01D1/06

摘要： A process for producing an elastic fiber comprising: melt-spinning a raw material composition, which comprises a thermoplastic polyurethane elastomer, at a spinning rate of 2,500 m/min to 10,000 m/min. The thermoplastic polyurethane elastomer comprises soft-segments obtained by reacting a polyether polyol as a long chain polyol.

公开(公告)号：US20220025097A1

公开(公告)日：2022-01-27

申请号：US17309421

申请日：2019-11-29

申请人： BASF SE

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

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

摘要： 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