DK0543171T3 - Semipermeable, porous, asymmetric polyether amide membranes. - Google Patents

Semipermeable, porous, asymmetric polyether amide membranes.

Info

Publication number: DK0543171T3
Authority: DK; Denmark
Prior art keywords: semipermeable; porous; polyether amide; asymmetric polyether; amide membranes
Prior art date: 1991-10-26

Application number

DK92118115.2T

Other languages

Danish (da)

Inventor

J Wildhardt

Reinhard Dr Wagener

J Schneider

Ulrich Dr Delius

Willi Dr Kreuder

Original Assignee

Hoechst Ag

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-10-26

Filing date

1992-10-22

Publication date

1997-07-28

1992-10-22 Application filed by Hoechst Ag filed Critical Hoechst Ag

1997-07-28 Application granted granted Critical

1997-07-28 Publication of DK0543171T3 publication Critical patent/DK0543171T3/en

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/52—Polyethers
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/265—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from at least two different diamines or at least two different dicarboxylic acids
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides containing oxygen in the form of ether groups
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)

DK92118115.2T 1991-10-26 1992-10-22 Semipermeable, porous, asymmetric polyether amide membranes. DK0543171T3 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE4135341		1991-10-26

Publications (1)

Publication Number	Publication Date
DK0543171T3 true DK0543171T3 (en)	1997-07-28

Family

ID=6443472

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK92118115.2T DK0543171T3 (en)	1991-10-26	1992-10-22	Semipermeable, porous, asymmetric polyether amide membranes.

Country Status (8)

Country	Link
EP (1)	EP0543171B1 (en)
JP (1)	JPH05208123A (en)
KR (1)	KR930007496A (en)
CA (1)	CA2081260A1 (en)
DE (1)	DE59208013D1 (en)
DK (1)	DK0543171T3 (en)
IL (1)	IL103525A0 (en)
TW (1)	TW224109B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5266100A (en) *	1992-09-02	1993-11-30	E. I. Du Pont De Nemours And Company	Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes
EP0604883A3 (en)	1992-12-30	1995-02-15	Hoechst Ag	Process for preparing porous hydrophilic membranes.
DE4418843A1 (en)	1994-05-30	1995-12-07	Hoechst Ag	Porous membrane made from aromatic polyamide
DE19549001A1 (en) *	1995-12-28	1997-07-03	Hoechst Ag	Process for the preparation of polyether amide solutions, steam-sterilizable dialysis membranes obtainable using the polyether amide solutions, and process for the production of these membranes
EP1128719B1 (en)	1998-11-13	2005-07-27	Akzo Nobel N.V.	Pervaporation device and irrigation mat
US20070227966A1 (en) *	2006-03-31	2007-10-04	Koo Ja-Young	Composite polyamide reverse osmosis membrane showing high boron rejection and method of producing the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4217227A (en) *	1975-12-06	1980-08-12	Bayer Aktiengesellschaft	Semipermeable membranes of copolyamides
JPS5670805A (en) *	1979-11-15	1981-06-13	Nitto Electric Ind Co Ltd	Preparation of selectively permeable membrane for treating organic liquid
CA1202837A (en) *	1980-03-14	1986-04-08	Wolfgang J. Wrasidlo	Asymmetric membranes and process therefor
ES516206A0 (en) *	1981-10-21	1983-10-01	Du Pont	"IMPROVEMENTS INTRODUCED IN A PROCEDURE FOR THE PREPARATION OF A REVERSE OSMOSIS MEMBRANE".
DE3342823A1 (en) *	1983-11-26	1985-06-05	Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach	METHOD FOR PRODUCING FILTER ELEMENTS BASED ON AROMATIC POLYAMIDE
EP0363364B1 (en) *	1987-05-06	1999-06-30	USF Filtration and Separations Group Inc.	Preparation of porous aramide membranes
JPH01231903A (en) *	1988-03-14	1989-09-18	Nippon Steel Corp	Hollow yarn separating membrane and its production
JP2701357B2 (en) *	1988-08-30	1998-01-21	東洋紡績株式会社	Casting dope for film formation
DE3903098A1 (en) *	1989-02-02	1990-08-16	Hoechst Ag	SEMIPERMEABLE MEMBRANE MADE OF A HOMOGENOUSLY MIXABLE POLYMER ALLOY
US5085676A (en) *	1990-12-04	1992-02-04	E. I. Du Pont De Nemours And Company	Novel multicomponent fluid separation membranes
TW205513B (en) *	1991-02-28	1993-05-11	Hoechst Ag

1992
- 1992-10-22 EP EP92118115A patent/EP0543171B1/en not_active Expired - Lifetime
- 1992-10-22 DE DE59208013T patent/DE59208013D1/en not_active Expired - Fee Related
- 1992-10-22 DK DK92118115.2T patent/DK0543171T3/en active
- 1992-10-23 IL IL103525A patent/IL103525A0/en unknown
- 1992-10-23 CA CA002081260A patent/CA2081260A1/en not_active Abandoned
- 1992-10-26 JP JP4287871A patent/JPH05208123A/en active Pending
- 1992-10-26 KR KR1019920019719A patent/KR930007496A/en not_active Application Discontinuation
- 1992-10-28 TW TW081108573A patent/TW224109B/zh active

Also Published As

Publication number	Publication date
EP0543171A1 (en)	1993-05-26
IL103525A0 (en)	1993-03-15
JPH05208123A (en)	1993-08-20
DE59208013D1 (en)	1997-03-20
TW224109B (en)	1994-05-21
CA2081260A1 (en)	1993-04-27
KR930007496A (en)	1993-05-20
EP0543171B1 (en)	1997-02-05

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