公开(公告)号：US20240209161A1

公开(公告)日：2024-06-27

申请号：US18554131

申请日：2022-03-28

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Radosiaw Kierat ,  Tatjana Huber

IPC: C08J3/09 ,  C08J5/18 ,  C08K5/05 ,  C08L27/16

CPC classification number: C08J3/096 ,  C08J5/18 ,  C08K5/05 ,  C08L27/16 ,  C08J2327/16 ,  C08J2439/06 ,  C08J2471/02

Abstract: A solution contains at least one polymer P, at least one water soluble polymer, and N-tert-butyl-2-pyrrolidone A corresponding process of making a membrane and the use of this membrane for water treatment are also provided.

公开(公告)号：US20190092943A1

公开(公告)日：2019-03-28

申请号：US16085908

申请日：2017-03-08

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Martin WEBER ,  Ulrich KARL ,  Ulrich ABEL ,  Thomas REISSNER ,  Nicolas MARION

IPC: C08L81/06 ,  B01D71/68 ,  B01D67/00 ,  C07D207/06

Abstract: Solution comprising a sulfone polymer and a N-acyl-pyrrolidine of formula I wherein R1 to R9 independently from each other are a hydrogen atom or a methyl group. The solution is applied in membrane formation with polyvinylpyrrolidone as optional component.

公开(公告)号：US20230146760A1

公开(公告)日：2023-05-11

申请号：US17907550

申请日：2021-06-08

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Daniela KLEIN ,  Martin WEBER ,  Regina-Margareta BERG

IPC: C08L81/06 ,  C08L39/06 ,  C08L71/02 ,  C08K5/1535 ,  B01D67/00 ,  B01D71/68 ,  B01D61/14 ,  B01D61/24

CPC classification number: C08L81/06 ,  C08L39/06 ,  C08L71/02 ,  C08K5/1535 ,  B01D67/0006 ,  B01D71/68 ,  B01D61/145 ,  B01D61/243 ,  B01D2325/02834

Abstract: Described herein is a solution including at least one sulfone polymer, at least one water-soluble polymer, and gamma-valerolactone. Also described herein is a process of making a membrane using the solution, and a method of using the membrane for water ultrafiltration and/or dialysis.

公开(公告)号：US20180257044A1

公开(公告)日：2018-09-13

申请号：US15758641

申请日：2016-09-07

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Martin WEBER ,  Frank RITTIG ,  Martin HEIJNEN ,  Henning URCH

IPC: B01D71/68 ,  B01D71/34 ,  B01D67/00 ,  C07C235/06

CPC classification number: B01D71/68 ,  B01D61/002 ,  B01D61/025 ,  B01D67/0009 ,  B01D67/0011 ,  B01D69/02 ,  B01D71/34 ,  B01D2325/20 ,  C07C235/06

Abstract: Process for making membranes M comprising the following steps: a) providing a dope solution D comprising at least one polymer P and at least one solvent S, b) adding at least one coagulant C to said dope solution D to coagulate said at least one polymer P from said dope solution D to obtain a membrane M, wherein said at least one solvent S comprises more than 50% by weight of at least one compound according to formula (I) (I), wherein R1 and R2 are independently C1 to C20 alkyl, R3 is selected from H or an aliphatic rest, 20 R4 is selected from H or an aliphatic rest, AO represents at least one alkylene oxide, n is a number from 0 to 100.

公开(公告)号：US20200269191A1

公开(公告)日：2020-08-27

申请号：US16646417

申请日：2018-10-08

Applicant: BASF SE

Inventor： Frank PRISSOK ,  Raymond A NEFF ,  Juergen AHLERS ,  Martin WEBER ,  Oliver GRONWALD

IPC: B01D67/00 ,  C08J5/18 ,  C08J9/26 ,  B01D71/54 ,  B01D69/02 ,  B01D71/52

Abstract: A process for preparing a porous membrane containing a thermoplastic polymer, the process containing: (i) forming a film shaped compound containing the thermoplastic polymer and a water soluble polymer; and (ii) extracting the film shaped compound with a solvent mixture, thereby obtaining the porous membrane; wherein the thermoplastic polymer has pores with an average pore diameter

公开(公告)号：US20190112474A1

公开(公告)日：2019-04-18

申请号：US16090663

申请日：2017-04-11

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Martin WEBER ,  Juergen AHLERS ,  Frank PRISSOK

IPC: C08L75/04 ,  C08G18/76 ,  C08G18/73 ,  C08G18/32 ,  C08G18/61 ,  C08G18/65 ,  C08J5/18 ,  D06M15/564 ,  B01D71/54 ,  B01D67/00 ,  B01D69/02

Abstract: The present invention is directed to a membrane, comprising a polyurethane (PU1), wherein the polyurethane (PU1) is based on 80 to 100% by weight of a mixture of at least one diol (D1) and at least one polyisocyanate (I1), and 0 to 20% by weight of at least one compound (C1) with at least two functional groups which are reactive towards isocyanate groups. Furthermore, the present invention is directed to a process for preparing a membrane, comprising providing a solution (L1) at least comprising a polyurethane (PU1) and preparing a membrane from solution (L1) using phase inversion; as well as the use of a membrane according to the present invention for coating a woven article.

公开(公告)号：US20180272286A1

公开(公告)日：2018-09-27

申请号：US15758599

申请日：2016-09-07

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Martin WEBER ,  Hartwig VOSS ,  Martin HEIJNEN

IPC: B01D67/00 ,  B01D69/12 ,  B01D71/68 ,  B01D69/02

CPC classification number: B01D67/0016 ,  B01D67/0011 ,  B01D67/0013 ,  B01D67/003 ,  B01D69/02 ,  B01D69/12 ,  B01D69/141 ,  B01D71/52 ,  B01D71/68 ,  B01D2323/02 ,  B01D2323/06 ,  B01D2323/12 ,  B01D2323/18 ,  B01D2325/34 ,  B01D2325/36

Abstract: A membrane contains a polymer composition is described. The polymer composition contains a) at least one polymer of PA, PVA, Cellulose CA, CTA, CA-triacetate blend, cellulose ester, cellulose nitrate, regenerated cellulose, aromatic, aromatic/aliphatic or aliphatic polyamide, aromatic, aromatic/aliphatic or aliphatic polyimide, PBI, PBIL, PAN, PAN-PVC copolymer, PAN-methallyl sulfonate copolymer, PEI, PEEK, sulfonated SPEEK, PPO, poly-carbonate, polyester, PTFE, PVDF, PP, a polyelectrolyte complex, PMMA, PDMS, aromatic, aromatic/aliphatic or aliphatic polyimide urethane, aromatic, aromatic/aliphatic or aliphatic polyamidimide, crosslinked polyimide or poly-arylene ether, PSU, PPSU and PESU, and b) at least one dope polymer DP1, which is a polyalkylene oxide with a molecular mass Mw of more than 100,000 g/mol and/or a K-value of 60 or 20 more.

公开(公告)号：US20240002609A1

公开(公告)日：2024-01-04

申请号：US18254857

申请日：2021-11-22

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Radoslaw Kierat ,  Tatjana Huber

IPC: C08J3/09 ,  C08L81/06 ,  B01D67/00 ,  B01D71/68

CPC classification number: C08J3/096 ,  C08L81/06 ,  B01D67/0016 ,  B01D67/0081 ,  B01D2325/30 ,  B01D2221/12 ,  B01D2323/21823 ,  B01D2323/2187 ,  B01D2325/24 ,  B01D71/68

Abstract: A solution contains at least one sulfone polymer and N-tert.-butyl-2-pyrrolidone. The solution can be used in a process of making a membrane, which is useful for water treatment.

公开(公告)号：US20180126338A1

公开(公告)日：2018-05-10

申请号：US15574511

申请日：2016-05-19

Applicant: BASF SE

Inventor： Martin WEBER ,  Berend ELING ,  Martin HEIJNEN ,  Oliver GRONWALD ,  Hartwig VOSS ,  Jacek MALISZ ,  Davis Yohanes ARIFIN

IPC: B01D71/54 ,  B01D71/68 ,  B01D71/70 ,  B01D71/80 ,  B01D67/00 ,  B01D69/02 ,  B01D69/14 ,  C08G18/76 ,  C08G18/63 ,  C08G18/48 ,  C08G18/40 ,  C08J5/18 ,  C08L75/08

CPC classification number: B01D71/54 ,  B01D67/0079 ,  B01D69/02 ,  B01D69/148 ,  B01D71/68 ,  B01D71/70 ,  B01D71/80 ,  B01D2325/48 ,  C08G18/4009 ,  C08G18/4072 ,  C08G18/4879 ,  C08G18/5072 ,  C08G18/5096 ,  C08G18/61 ,  C08G18/632 ,  C08G18/73 ,  C08G18/7671 ,  C08G77/28 ,  C08G77/458 ,  C08G2340/00 ,  C08J5/18 ,  C08J2375/08 ,  C08L75/08 ,  C08L81/06 ,  C09D183/08 ,  C08L75/04

Abstract: Polymer composition comprising a) an oligo- or polyurethane U of the formula (I) wherein k and n independently are numbers from 1 to 100, m is from the range 1-100, (X) is a block of formula (II) and (Y) is a block of the formula (III), (A) is a residue of an aliphatic or aromatic diisocyanate linker, (B) is a residue of a linear oligo- or polysiloxane containing alkanol end groups, and optionally further containing one or more aliphatic ether moieties, and (C) is an aromatic oligo- or polyarylene ether block that is at least partly etherified at its terminal positions with one alkylene glycol unit; or a mixture of such oligo- or polyurethanes; and b) one or more further organic polymers P selected from the group consisting of polyvinyl pyrrolidone, polyvinyl acetates, cellulose acetates, polyacrylonitriles, polyamides, polyolefines, polyesters, polyarylene ethers, polysulfones, polyethersulfones, polyphenylenesulfones, polycarbonates, polyether ketones, sulfonated polyether ketones, polyamide sulfones, polyvinylidene fluorides, polyvinylchlorides, polystyrenes and polytetrafluorethylenes, copolymers thereof, and mixtures thereof; preferably selected from the group consisting of polysulfones, polyphenylenes, polyethersulfones, polyvinylidene fluorides, polyamides, cellulose acetate and mixtures thereof.

公开(公告)号：US20240399314A1

公开(公告)日：2024-12-05

申请号：US18698032

申请日：2022-09-30

Applicant: BASF SE

Inventor： Oliver GRONWALD ,  Martin WEBER ,  Christian MALETZKO

IPC: B01D67/00 ,  B01D61/02 ,  B01D69/02 ,  B01D71/68

Abstract: The present invention relates to a membrane (M) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), to a method for the preparation of the membrane (M) and to the use of the membrane as nanofiltration membrane. Further, the present invention relates to a monolithic film (F) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), wherein the monolithic film has a contact angle of 63 to 77°.