公开(公告)号：US12134846B2

公开(公告)日：2024-11-05

申请号：US17436267

申请日：2020-03-05

Applicant: BASF SE

Inventor： Gijsbrecht Jacobus Maria Habraken ,  Klaus Scheuermann ,  Gabriel Skupin ,  Jens-Uwe Schierholz

IPC: D04H3/011 ,  D04H3/147 ,  D04H3/16

Abstract: The present invention relates to a nonwoven fabric comprising continuous spunbonded bicomponent fibers which consist of: 0 to 95% by weight of an aromatic polyester (A) in a core; to 50% by weight of a polyester blend (B) containing a) 65 to 95% of an aromatic polyester (BA) and b) 5 to 35% by weight of an aliphatic-aromatic polyester (BB) with a glass temperature below 0° C. in a sheath surrounding the core; and 0 to 5% by weight of at least one additive (C); wherein the % by weight are based in each case on the total weight of the components (A) and (B) and optionally (C); and wherein the aromatic polyesters (A) and (BA) are selected from the group consisting of poly(ethylene terephthalate) and poly(butylene terephthalate).

公开(公告)号：US11946168B2

公开(公告)日：2024-04-02

申请号：US17431264

申请日：2020-02-04

Applicant: BASF SE

Inventor： Daniel Schilling ,  Klaus Scheuermann ,  Jerome Lohmann ,  Gijsbrecht Jacobus Maria Habraken

IPC: D01D1/02 ,  C08L67/03 ,  D01F6/92 ,  D06P3/52

CPC classification number: D01F6/92 ,  C08L67/03 ,  D01D1/02 ,  D06P3/52 ,  C08L2203/12 ,  C08L2205/02

Abstract: The present invention relates to a process for the preparation of a spinnable composition (sC) by mixing at least one terephthalate polyester (A), at least one aliphatic-aromatic polyester (B), at least one oligomer (C) and optionally at least one additive (D). Moreover, the present invention relates to the spinnable composition (sC) obtained by this process, a process for the preparation of polyester fibers (PF) by extruding the spinnable composition (sC) through at least one spinneret, the polyester fibers (PF) obtained by this process, textile materials (T) comprising the polyester fibers (PF) a process for dying the textile materials (T), and the use of the oligomer (C) for the improvement of the rheology and/or the dyeability of a composition comprising at least one terephthalate polyester (A) and at least one aliphatic aromatic polyester (B).

公开(公告)号：US11913168B2

公开(公告)日：2024-02-27

申请号：US17761606

申请日：2020-09-17

Applicant: BASF SE

Inventor： Gijsbrecht Jacobus Maria Habraken ,  Klaus Scheuermann ,  Achim Loeffler

IPC: D06P1/00 ,  D01F1/10 ,  D01F6/92 ,  D06P1/16 ,  D06P3/14 ,  D06P3/54

CPC classification number: D06P1/16 ,  D01F1/10 ,  D01F6/92 ,  D06P3/143 ,  D06P3/54 ,  D10B2201/02 ,  D10B2211/02 ,  D10B2331/04 ,  D10B2401/14

Abstract: The present invention relates to a process for producing dyed mixed fibres (D-MF), dyed mixed fibre yarns (D-MY) and/or dyed mixed fibre textile fabrics (D-MT) in which mixed fibres (MF), mixed fibre yarns (MY) and/or mixed fibre textile fabrics (MT) comprising at least one polyester fibre (PF) and at least one further fibre (FF) are simultaneously contacted with at least two different dyes (D1) and (D2) at a temperature TD

公开(公告)号：US11560450B2

公开(公告)日：2023-01-24

申请号：US16617640

申请日：2018-05-22

Applicant: BASF SE

Inventor： Klaus Scheuermann ,  Robert Loos ,  Andreas Garbe ,  Kevin Müller

IPC: C08G63/183 ,  C08K5/29 ,  D01F6/84 ,  D01F6/92

Abstract: The present invention relates to an aliphatic-aromatic polyester having a whiteness index according to ASTM E 313-73 of at least 25, to a process for preparation thereof and to the use of the aliphatic-aromatic polyester for production of polyester fibers (PF). The present invention further relates to the polyester fibers (PF) comprising the aliphatic-aromatic polyester.