公开(公告)号：US10569232B2

公开(公告)日：2020-02-25

申请号：US15523149

申请日：2015-10-27

Applicant: BASF SE

Inventor： Martin Weber ,  Christian Maletzko ,  Bastiaan Bram Pieter Staal

IPC: B01D71/52 ,  B01D71/68 ,  B01D71/82 ,  B01D61/14 ,  C08G65/42 ,  C02F1/44

Abstract: Copolymer C comprising polyarylene ether blocks A and polyalkylene oxide blocks PAO, wherein said polyarylene ether blocks A are blocks of at least one partially sulfonated polyarylene ether.

公开(公告)号：US10265663B2

公开(公告)日：2019-04-23

申请号：US14917488

申请日：2014-09-04

Applicant: BASF SE

Inventor： Martin Weber ,  Christian Maletzko ,  Joerg Erbes ,  Tobias Kortekamp ,  Bastiaan Bram Pieter Staal ,  Thomas Heil

IPC: B01D67/00 ,  B01D69/08 ,  B01D71/68 ,  B29C47/88 ,  B29K81/00 ,  C08G65/40 ,  C08G75/23 ,  B29C47/00 ,  B29L31/00

Abstract: The present invention relates to a method of forming a polyarylene ether sulfone polymer by converting a reaction mixture (RG) comprising a dihalogen component (A1), a dihydroxy component (B1) and potassium carbonate (C1) having a volume-average particle size of

公开(公告)号：US20180250641A1

公开(公告)日：2018-09-06

申请号：US15970249

申请日：2018-05-03

Applicant: BASF SE

Inventor： Martin WEBER ,  Christian Maletzko ,  Joerg Erbes ,  Tobias Kortekamp ,  Bastiaan Bram Pieter Staal ,  Thomas Heil

IPC: B01D71/68 ,  B01D67/00 ,  B01D69/08 ,  B29C47/00

CPC classification number: B01D71/68 ,  B01D67/0006 ,  B01D69/08 ,  B29C48/04 ,  B29C48/05 ,  B29C48/10 ,  B29C48/919 ,  B29K2081/06 ,  B29L2031/755 ,  C08G65/4056 ,  C08G75/23

Abstract: The present invention relates to a method of forming a polyarylene ether sulfone polymer by converting a reaction mixture (RG) comprising a dihalogen component (A1), a dihydroxy component (B1) and potassium carbonate (C1) having a volume-average particle size of

公开(公告)号：US09758634B2

公开(公告)日：2017-09-12

申请号：US14888570

申请日：2014-04-30

Applicant: BASF SE

Inventor： Martin Weber ,  Christian Maletzko ,  Thomas Weiss ,  Joerg Erbes ,  Bastiaan Bram Pieter Staal

IPC: C08G8/02 ,  C08K3/26 ,  C08G65/26 ,  C08G65/334 ,  C08G65/337

CPC classification number: C08K3/26 ,  C08G65/2612 ,  C08G65/3346 ,  C08G65/337 ,  C08K2003/262 ,  C08L2205/05

Abstract: The invention relates to a method for preparing polyarylethersulfone-polyalkylene oxide block copolymers (PPC) comprising the polycondensation of a reaction mixture (RG) comprising the components: (A1) at least one aromatic dihalogen compound, (B1) at least one aromatic dihydroxyl compound, (B2) at least one polyalkylene oxide having at least two hydroxyl groups, (C) at least one aprotic polar solvent and (D) at least one metal carbonate, where the reaction mixture (RG) does not comprise any substance which forms an azeotrope with water.

公开(公告)号：US09365680B2

公开(公告)日：2016-06-14

申请号：US14592365

申请日：2015-01-08

Applicant: BASF SE

Inventor： Martin Weber ,  Christian Maletzko ,  Gerhard Lange ,  Jörg Erbes ,  Matthias Dietrich ,  Nicholas Inchaurrondo

IPC: C08G8/02 ,  C08G75/23 ,  C08L61/02 ,  C08L65/02 ,  C08L79/08 ,  C08L81/06

CPC classification number: C08G75/23 ,  C08L61/02 ,  C08L65/02 ,  C08L79/08 ,  C08L81/06

Abstract: The present invention relates to a process for the production of low-chlorine-content polybiphenyl sulfone polymers, to the polybiphenyl sulfone polymers obtainable in this way, to polybiphenyl sulfone polymers with less than 800 ppm content of organically bonded chlorine, to thermoplastic molding compositions and moldings, fibers, films, membranes, or foams comprising the polybiphenyl sulfone polymers mentioned, and also to their use for the production of moldings, of fibers, of films, of membranes, or of foams.

公开(公告)号：US09120062B2

公开(公告)日：2015-09-01

申请号：US13866498

申请日：2013-04-19

Applicant: BASF SE ,  National University of Singapore

Inventor： Martin Weber ,  Christian Maletzko ,  Bernd Trotte ,  Peishan Zhong ,  Tai-Shung Chung

IPC: C08G8/02 ,  B01D71/68 ,  B01D67/00 ,  B01D69/12 ,  B01D71/78 ,  B01D61/02

CPC classification number: B01D71/68 ,  B01D61/027 ,  B01D67/009 ,  B01D67/0093 ,  B01D69/125 ,  B01D71/78 ,  B01D2323/345 ,  B01D2323/385 ,  B01D2325/16

Abstract: The present invention is directed to positively charged nanofiltration (NF) membranes comprising a substrate layer (S) based on a sulfonated polymer and a positively charged film layer (F) on top of said substrate, and to a method for their preparation. Furthermore, the present invention is directed to nanofiltration processes making use of said composite membrane.

Abstract translation: 本发明涉及带正电荷的纳滤（NF）膜，其包括基于磺化聚合物的基底层（S）和位于所述基底顶部的带正电荷的膜层（F）及其制备方法。 此外，本发明涉及使用所述复合膜的纳滤方法。

公开(公告)号：US20130277318A1

公开(公告)日：2013-10-24

申请号：US13866529

申请日：2013-04-19

Applicant: BASF SE ,  NATIONAL UNIVERSITY OF SINGAPORE

Inventor： Martin Weber ,  Christian Maletzko ,  Natalia Widjojo ,  Peishan Zhong ,  Tai-Shung Chung

IPC: B01D71/68 ,  B01D67/00 ,  B01D61/14

CPC classification number: B01D71/68 ,  B01D61/145 ,  B01D67/0002 ,  B01D71/82 ,  B01D2325/14 ,  B01D2325/34

Abstract: The present invention is directed to ultrafiltration membranes comprising a membrane substrate layer (S) based on a sulfonated polyaryleneethersulfone polymer and to a method for their preparation. Furthermore, the present invention is directed to ultrafiltration processes making use of said membrane.

Abstract translation: 本发明涉及包含基于磺化聚亚芳基醚砜聚合物的膜基材层（S）及其制备方法的超滤膜。 此外，本发明涉及利用所述膜的超滤方法。