BE739700A - - Google Patents

Info

Publication number
BE739700A
BE739700A BE739700DA BE739700A BE 739700 A BE739700 A BE 739700A BE 739700D A BE739700D A BE 739700DA BE 739700 A BE739700 A BE 739700A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE739700A publication Critical patent/BE739700A/xx

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)
BE739700D 1968-10-02 1969-10-01 BE739700A (en:Method)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE739700A true BE739700A (en:Method) 1970-04-01

Family

ID=8655196

Family Applications (1)

Application Number Title Priority Date Filing Date
BE739700D BE739700A (en:Method) 1968-10-02 1969-10-01

Country Status (11)

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

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822202A (en) * 1972-07-20 1974-07-02 Du Pont Heat treatment of membranes of selected polyimides,polyesters and polyamides
FR2193634A1 (en) * 1972-07-20 1974-02-22 Du Pont Polyimide semi-permeable membranes
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
US5164475A (en) * 1989-01-31 1992-11-17 Du Pont Merck Pharmaceutical Company Porous substrates with a high concentration of amine groups
US5352273A (en) * 1993-04-14 1994-10-04 E. I. Du Pont De Nemours And Company Alkyl substituted aromatic polyester gas separation membranes
SG10201403279SA (en) * 2009-08-24 2014-10-30 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
CN103210276B (zh) 2010-10-04 2016-03-23 Oasys水有限公司 薄膜复合热交换器
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
JP6386456B2 (ja) 2012-07-19 2018-09-05 ダウ グローバル テクノロジーズ エルエルシー 多官能性アミンおよび異なる多官能性アミン反応性モノマーの組み合わせ由来の膜
WO2014109947A1 (en) 2013-01-14 2014-07-17 Dow Global Technologies Llc Composite polyamide membrane comprising substituted benzamide monomer
WO2014109946A1 (en) 2013-01-14 2014-07-17 Dow Global Technologies Llc Composite polyamide membrane
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
US9452391B1 (en) 2013-12-02 2016-09-27 Dow Global Technologies Llc Composite polyamide membrane treated with dihyroxyaryl compounds and nitrous acid
ES2659569T3 (es) 2013-12-02 2018-03-16 Dow Global Technologies Llc Método para formar una membrana de poliamida compuesta con tratamiento posterior de ácido nitroso
US9555378B2 (en) 2014-01-09 2017-01-31 Dow Global Technologies Llc Composite polyamide membrane having preferred azo content
CA2935699C (en) 2014-01-09 2022-05-31 Dow Global Technologies Llc Composite polyamide membrane having azo content and high acid content
WO2015105637A1 (en) 2014-01-09 2015-07-16 Dow Global Technologies Llc Composite polyamide membrane having high acid content and low azo content
CN106257977B (zh) 2014-04-28 2019-10-29 陶氏环球技术有限责任公司 用亚硝酸后处理的复合聚酰胺膜
JP6640739B2 (ja) 2014-05-14 2020-02-05 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

Also Published As

Publication number Publication date
FR1587787A (en:Method) 1970-03-27
LU59552A1 (en:Method) 1970-04-01
IL33093A0 (en) 1969-11-30
BR6912815D0 (pt) 1973-01-09
NL6914496A (en:Method) 1970-04-06
DE1949847A1 (de) 1970-04-09
ES372085A1 (es) 1971-09-01
GB1227280A (en:Method) 1971-04-07
CH511916A (fr) 1971-08-31
IL33093A (en) 1972-09-28
US3686116A (en) 1972-08-22

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