ES372085A1 - Procedimiento para la preparacion de membranas semipermea- bles. - Google Patents

Procedimiento para la preparacion de membranas semipermea- bles.

Info

Publication number
ES372085A1
ES372085A1 ES372085A ES372085A ES372085A1 ES 372085 A1 ES372085 A1 ES 372085A1 ES 372085 A ES372085 A ES 372085A ES 372085 A ES372085 A ES 372085A ES 372085 A1 ES372085 A1 ES 372085A1
Authority
ES
Spain
Prior art keywords
membranes
solvent
units
film
support
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES372085A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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.)
Filing date
Publication date
Application filed by Rhone Poulenc SA filed Critical Rhone Poulenc SA
Publication of ES372085A1 publication Critical patent/ES372085A1/es
Expired legal-status Critical Current

Links

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ES372085A 1968-10-02 1969-10-02 Procedimiento para la preparacion de membranas semipermea- bles. Expired ES372085A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR168446 1968-10-02

Publications (1)

Publication Number Publication Date
ES372085A1 true ES372085A1 (es) 1971-09-01

Family

ID=8655196

Family Applications (1)

Application Number Title Priority Date Filing Date
ES372085A Expired ES372085A1 (es) 1968-10-02 1969-10-02 Procedimiento para la preparacion de membranas semipermea- bles.

Country Status (11)

Country Link
US (1) US3686116A (enExample)
BE (1) BE739700A (enExample)
BR (1) BR6912815D0 (enExample)
CH (1) CH511916A (enExample)
DE (1) DE1949847A1 (enExample)
ES (1) ES372085A1 (enExample)
FR (1) FR1587787A (enExample)
GB (1) GB1227280A (enExample)
IL (1) IL33093A (enExample)
LU (1) LU59552A1 (enExample)
NL (1) NL6914496A (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193634A1 (en) * 1972-07-20 1974-02-22 Du Pont Polyimide semi-permeable membranes
US3822202A (en) * 1972-07-20 1974-07-02 Du Pont Heat treatment of membranes of selected polyimides,polyesters and polyamides
US3993625A (en) * 1973-05-28 1976-11-23 Toray Industries, Inc. Permselective polymeric membranes of organic polyamide or polyhydrazide
US3951789A (en) * 1973-10-11 1976-04-20 Allied Chemical Corporation Novel high diffusivity membranes
DE2418996A1 (de) * 1974-04-19 1975-10-30 Bayer Ag Asymmetrische, semipermeable membranen aus polybenz-1,3-oxazindionen-2,4
DE2602493A1 (de) * 1975-01-27 1976-07-29 Ramot Plastics Verfahren zur entfernung von harnstoff aus waessrigen loesungen
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
GB1586167A (en) * 1976-09-24 1981-03-18 Bfg Glassgroup Moulding solid layers
DE2704600C3 (de) * 1977-02-04 1988-05-26 Hoechst Ag, 6230 Frankfurt Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur auf Basis von Polyamid
JPS5443882A (en) * 1977-09-14 1979-04-06 Nippon Zeon Co Ltd Preparation of semipermeable membrane
JPH04503372A (ja) * 1989-01-31 1992-06-18 イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー 高濃度のアミン基を有する多孔質基体
US5352273A (en) * 1993-04-14 1994-10-04 E. I. Du Pont De Nemours And Company Alkyl substituted aromatic polyester gas separation membranes
US9186627B2 (en) 2009-08-24 2015-11-17 Oasys Water, Inc. Thin film composite heat exchangers
US8181794B2 (en) 2009-08-24 2012-05-22 Oasys Water, Inc. Forward osmosis membranes
US9156006B2 (en) 2009-12-03 2015-10-13 Yale University High flux thin-film composite forward osmosis and pressure-retarded osmosis membranes
WO2012102944A1 (en) 2011-01-24 2012-08-02 Dow Global Technologies Llc Composite polyamide membrane
US9399196B2 (en) 2011-08-31 2016-07-26 Dow Global Technologies Llc Composite polyamide membrane derived from monomer including amine-reactive and phosphorous-containing functional groups
US9029600B2 (en) 2011-09-29 2015-05-12 Dow Global Technologies Llc Method for preparing high purity mono-hydrolyzed acyl halide compound
EP2776146B1 (en) 2012-01-06 2020-05-13 DDP Specialty Electronic Materials US, Inc. Method of preparation of a composite polyamide membrane
WO2014014669A1 (en) 2012-07-19 2014-01-23 Dow Global Technologies Llc Composite polyamide membrane with improved structure
WO2014109946A1 (en) 2013-01-14 2014-07-17 Dow Global Technologies Llc Composite polyamide membrane
US9895666B2 (en) 2013-01-14 2018-02-20 Dow Global Technologies Llc Composite polyamide membrane made using substituted benzamide monomer
US9051417B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc Method for solubilizing carboxylic acid-containing compound in hydrocarbon solvent
US9051227B2 (en) 2013-03-16 2015-06-09 Dow Global Technologies Llc In-situ method for preparing hydrolyzed acyl halide compound
US9289729B2 (en) 2013-03-16 2016-03-22 Dow Global Technologies Llc Composite polyamide membrane derived from carboxylic acid containing acyl halide monomer
WO2014179024A1 (en) 2013-05-03 2014-11-06 Dow Global Technologies Llc Composite polyamide membrane derived from an aliphatic acyclic tertiary amine compound
JP6577468B2 (ja) 2013-12-02 2019-09-18 ダウ グローバル テクノロジーズ エルエルシー 亜硝酸で後処理される複合ポリアミド膜
CN106170333B (zh) 2013-12-02 2019-02-15 陶氏环球技术有限责任公司 用二羟基芳基化合物和亚硝酸处理的复合聚酰胺膜
JP6535010B2 (ja) 2014-01-09 2019-06-26 ダウ グローバル テクノロジーズ エルエルシー 好ましいアゾ含有量を有する複合ポリアミド皮膜
EP3092061B1 (en) 2014-01-09 2020-02-05 Dow Global Technologies LLC Composite polyamide membrane having high acid content and low azo content
US9981227B2 (en) 2014-01-09 2018-05-29 Dow Global Technologies Llc Composite polyamide membrane having azo content and high acid content
US9776141B2 (en) 2014-04-28 2017-10-03 Dow Global Technologies Llc Composite polyamide membrane post-treated with nitrous acid
KR102359211B1 (ko) 2014-05-14 2022-02-07 다우 글로벌 테크놀로지스 엘엘씨 아질산으로 후처리된 복합 폴리아미드 막

Also Published As

Publication number Publication date
US3686116A (en) 1972-08-22
IL33093A0 (en) 1969-11-30
IL33093A (en) 1972-09-28
LU59552A1 (enExample) 1970-04-01
BE739700A (enExample) 1970-04-01
CH511916A (fr) 1971-08-31
FR1587787A (enExample) 1970-03-27
NL6914496A (enExample) 1970-04-06
BR6912815D0 (pt) 1973-01-09
GB1227280A (enExample) 1971-04-07
DE1949847A1 (de) 1970-04-09

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