IL44156A - Reverse osmosis anisotropic membranes and their preparation - Google Patents

Reverse osmosis anisotropic membranes and their preparation

Info

Publication number: IL44156A
Authority: IL; Israel
Prior art keywords: groups; polypiperazine; process according; formula; membrane
Prior art date: 1973-01-16

Application number

IL44156A

Other languages

English (en)

Other versions

IL44156A0 (en

Original Assignee

Montedison Spa

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.)

1973-01-16

Filing date

1974-02-06

Publication date

1976-08-31

1974-02-06 Application filed by Montedison Spa filed Critical Montedison Spa

1974-05-16 Publication of IL44156A0 publication Critical patent/IL44156A0/xx

1976-08-31 Publication of IL44156A publication Critical patent/IL44156A/en

Links

239000012528 membrane Substances 0.000 title claims abstract 15
238000002360 preparation method Methods 0.000 title claims 2
238000001223 reverse osmosis Methods 0.000 title claims 2
150000001408 amides Chemical class 0.000 claims abstract 7
229920000642 polymer Polymers 0.000 claims abstract 3
230000015572 biosynthetic process Effects 0.000 claims abstract 2
238000000034 method Methods 0.000 claims 9
239000003960 organic solvent Substances 0.000 claims 5
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 3
239000000203 mixture Substances 0.000 claims 3
125000004193 piperazinyl group Chemical group 0.000 claims 3
239000002904 solvent Substances 0.000 claims 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 3
230000015271 coagulation Effects 0.000 claims 2
238000005345 coagulation Methods 0.000 claims 2
238000001704 evaporation Methods 0.000 claims 2
230000008020 evaporation Effects 0.000 claims 2
AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims 2
KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 2
150000003839 salts Chemical class 0.000 claims 2
238000003892 spreading Methods 0.000 claims 2
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims 1
-1 Li O. Chemical compound 0.000 claims 1
FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims 1
SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 claims 1
SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims 1
125000000217 alkyl group Chemical group 0.000 claims 1
238000009835 boiling Methods 0.000 claims 1
229960001760 dimethyl sulfoxide Drugs 0.000 claims 1
238000004090 dissolution Methods 0.000 claims 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
239000005357 flat glass Substances 0.000 claims 1
238000010438 heat treatment Methods 0.000 claims 1
238000007654 immersion Methods 0.000 claims 1
229910017053 inorganic salt Inorganic materials 0.000 claims 1
238000004519 manufacturing process Methods 0.000 claims 1
AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 claims 1
BLQOGBWNXVIEBD-UHFFFAOYSA-N 1,2,5-thiadiazole-3,4-dicarbonyl chloride Chemical compound ClC(=O)C1=NSN=C1C(Cl)=O BLQOGBWNXVIEBD-UHFFFAOYSA-N 0.000 abstract 2
NSMWYRLQHIXVAP-OLQVQODUSA-N (2r,5s)-2,5-dimethylpiperazine Chemical compound C[C@H]1CN[C@H](C)CN1 NSMWYRLQHIXVAP-OLQVQODUSA-N 0.000 abstract 1
FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 abstract 1
125000001424 substituent group Chemical group 0.000 abstract 1

Classifications

- 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
- 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
- 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)
Polyamides (AREA)
Compositions Of Macromolecular Compounds (AREA)

IL44156A 1973-01-16 1974-02-06 Reverse osmosis anisotropic membranes and their preparation IL44156A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT19247/73A IT978187B (it)	1973-01-16	1973-01-16	Membrane anisotrope per osmosi inversa ad alto flusso ed ele vata reiezione salina a base di polipiperazinammidi e procedi mento di preparazione relativo

Publications (2)

Publication Number	Publication Date
IL44156A0 IL44156A0 (en)	1974-05-16
IL44156A true IL44156A (en)	1976-08-31

Family

ID=11156091

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL44156A IL44156A (en)	1973-01-16	1974-02-06	Reverse osmosis anisotropic membranes and their preparation

Country Status (12)

Country	Link
JP (1)	JPS574361B2 (it)
AU (1)	AU6450974A (it)
BE (1)	BE809757A (it)
CA (1)	CA1024711A (it)
DE (1)	DE2401428C2 (it)
ES (1)	ES422290A1 (it)
FR (1)	FR2324335A1 (it)
GB (1)	GB1402247A (it)
IL (1)	IL44156A (it)
IT (1)	IT978187B (it)
NL (1)	NL176231C (it)
ZA (1)	ZA74296B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2704600C3 (de) *	1977-02-04	1988-05-26	Hoechst Ag, 6230 Frankfurt	Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur auf Basis von Polyamid
JPS57174107A (en) *	1981-04-20	1982-10-26	Teijin Ltd	Production of permselective membrane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3687842A (en) *	1969-07-08	1972-08-29	Consiglio Nazionale Ricerche	Osmosis process
US3696031A (en) *	1969-07-08	1972-10-03	Consiglio Nazionale Ricerche	Osmosis process
US3664986A (en) *	1969-10-14	1972-05-23	Du Pont	1,2,5-thiadiazole polymers
BE793504A (fr) *	1971-12-30	1973-06-29	Montedison Spa	Membranes anisotropes de retro-osmose et leur procede de preparation

1973
- 1973-01-15 ZA ZA740296A patent/ZA74296B/xx unknown
- 1973-01-16 IT IT19247/73A patent/IT978187B/it active
1974
- 1974-01-11 NL NLAANVRAGE7400402,A patent/NL176231C/xx not_active IP Right Cessation
- 1974-01-12 DE DE2401428A patent/DE2401428C2/de not_active Expired
- 1974-01-14 GB GB176174A patent/GB1402247A/en not_active Expired
- 1974-01-14 FR FR7401108A patent/FR2324335A1/fr active Granted
- 1974-01-15 AU AU64509/74A patent/AU6450974A/en not_active Expired
- 1974-01-15 BE BE139818A patent/BE809757A/xx unknown
- 1974-01-15 ES ES422290A patent/ES422290A1/es not_active Expired
- 1974-01-16 CA CA190,326A patent/CA1024711A/en not_active Expired
- 1974-01-16 JP JP717974A patent/JPS574361B2/ja not_active Expired
- 1974-02-06 IL IL44156A patent/IL44156A/en unknown

Also Published As

Publication number	Publication date
IL44156A0 (en)	1974-05-16
FR2324335B1 (it)	1978-02-10
JPS49109271A (it)	1974-10-17
CA1024711A (en)	1978-01-24
DE2401428A1 (de)	1974-07-18
DE2401428C2 (de)	1985-11-14
IT978187B (it)	1974-09-20
NL176231B (nl)	1984-10-16
BE809757A (fr)	1974-07-15
ES422290A1 (es)	1976-04-01
NL176231C (nl)	1985-03-18
GB1402247A (en)	1975-08-06
ZA74296B (en)	1974-11-27
AU6450974A (en)	1975-07-17
JPS574361B2 (it)	1982-01-26
NL7400402A (it)	1974-07-18
FR2324335A1 (fr)	1977-04-15

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