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1. (WO2019042749) MEMBRANE MANUFACTURING WITH A COSOLVENT IN THE POLYMER DOPE SOLUTION
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Pub. No.: WO/2019/042749 International Application No.: PCT/EP2018/071801
Publication Date: 07.03.2019 International Filing Date: 10.08.2018
IPC:
B01D 67/00 (2006.01) ,B01D 71/68 (2006.01) ,B01D 71/80 (2006.01) ,B01D 71/52 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
67
Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
71
Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
06
Organic material
66
Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
68
Polysulfones; Polyethersulfones
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
71
Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
06
Organic material
76
Macromolecular material not specifically provided for in a single one of groups B01D71/08-B01D71/74132
80
Block polymers
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
71
Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
06
Organic material
52
Polyethers
Applicants:
BASF SE [DE/DE]; Carl-Bosch-Strasse 38 67056 Ludwigshafen am Rhein, DE
Inventors:
GRONWALD, Oliver; DE
WEBER, Martin; DE
HEIJNEN, Martin; DE
Agent:
BASF IP ASSOCIATION; BASF SE G-FLP - C006 67056 Ludwigshafen, DE
Priority Data:
17188167.528.08.2017EP
18159165.228.02.2018EP
Title (EN) MEMBRANE MANUFACTURING WITH A COSOLVENT IN THE POLYMER DOPE SOLUTION
(FR) FABRICATION DE MEMBRANE AVEC UN COSOLVANT DANS LA SOLUTION DE DOPAGE DE POLYMÈRE
Abstract:
(EN) The invention relates to a process for making a membrane M comprising the following steps: providing a dope solution D comprising a polymer P selected from polyphenylenesulfone or mixtures of polyphenylenesulfone with nonionic polyarylene ethers, a first solvent selected from aprotic polar solvents, and a cosolvent selected from C2-C8 alkanediol, C3-C8 alkanetriol, polyethylene glycol, or mixtures thereof; and preparing the membrane by bringing the dope solution D into contact with a coagulating agent. The invention further relates to a membrane M obtainable in said process.
(FR) La présente invention concerne un procédé de fabrication d'une membrane M comprenant les étapes suivantes : fourniture d'une solution de dopage D comprenant un polymère P choisi parmi la polyphénylènesulfone ou des mélanges de polyphénylènesulfone avec des poly(éthers d'arylène) non ioniques, un premier solvant choisi parmi des solvants polaires aprotiques, et un cosolvant choisi parmi un alcanediol en C2-C8, un alcanetriol en C3-C8, du polyéthylène glycol, ou des mélanges de ceux-ci; et la préparation de la membrane par mise en contact de la solution de dopage D avec un agent coagulant. L'invention concerne en outre une membrane M pouvant être obtenue dans ledit procédé.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)