WO1982000648A1 - Porous polymer membrane and method of making it - Google Patents

Porous polymer membrane and method of making it Download PDF

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Publication number
WO1982000648A1
WO1982000648A1 PCT/SU1980/000144 SU8000144W WO8200648A1 WO 1982000648 A1 WO1982000648 A1 WO 1982000648A1 SU 8000144 W SU8000144 W SU 8000144W WO 8200648 A1 WO8200648 A1 WO 8200648A1
Authority
WO
WIPO (PCT)
Prior art keywords
poli
ρсτ
membrane
water
group
Prior art date
Application number
PCT/SU1980/000144
Other languages
English (en)
French (fr)
Russian (ru)
Inventor
L Stremovsky
R Gumen
S Martynov
A Bogdanov
M Yakovlev
K Saldadze
O Pavlov
A Chernikhov
N Ostrovskaya
Original Assignee
L Stremovsky
R Gumen
S Martynov
A Bogdanov
M Yakovlev
K Saldadze
O Pavlov
A Chernikhov
N Ostrovskaya
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 L Stremovsky, R Gumen, S Martynov, A Bogdanov, M Yakovlev, K Saldadze, O Pavlov, A Chernikhov, N Ostrovskaya filed Critical L Stremovsky
Priority to JP55502252A priority Critical patent/JPS57501237A/ja
Priority to DE19803050547 priority patent/DE3050547A1/de
Priority to PCT/SU1980/000144 priority patent/WO1982000648A1/en
Priority to GB8210910A priority patent/GB2093460B/en
Publication of WO1982000648A1 publication Critical patent/WO1982000648A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/06—Polyhydrazides; Polytriazoles; Polyamino-triazoles; Polyoxadiazoles

Definitions

  • membranes based on basic cellulose acetate are characterized by a low stability of a lot of medications and may be a little worse than normal. 5, published in May 1975 / publishing house "Kimiya", Russia /; ⁇ . ⁇ . ⁇ ⁇ gsev, ⁇ .P.Dubyaga, ⁇ . ⁇ . ⁇ a ⁇ alevs ⁇ sh ⁇ "P ⁇ lu- chenie memb ⁇ an, s ⁇ y ⁇ i ⁇ ⁇ deys ⁇ viyu v ⁇ dny ⁇ s ⁇ ed in shi ⁇ m 20. In ⁇ e ⁇ vale ⁇ ", s ⁇ .77 /.
  • a stable stable ⁇ ⁇ ⁇ ⁇ ⁇
  • the agglomeration due to non-incidence of 5% of water In general, in particular, they receive membranes, which are only 5 " 10 ⁇ -you have a separate output from the circuit-C
  • the 15 molar mass is 13,000 and 5 atm has a selectivity of 100 and a range of 4000 l / m. days.
  • the indicated method is significantly cited in.
  • the device is equipped with a membrane for the process of radiating membranes and, in particular, the continuous process, when the liquid is used
  • the task posed was resolved by the creation of a public system. On the basis of the operational base, 1, 3, oxydiazole, it is recommended that the product is used in a manner that is free of charge, 3,4-phase,
  • ⁇ . - a radical selected from a group consisting of
  • ⁇ ' is a radical taken from a group consisting of ⁇
  • membranes which include poli- ⁇ , 3,4-oxadiazole, corresponding to the present invention, are included in the present invention
  • ⁇ As part of the business of distributors, the following can be used: -methyl-pyrrolidine, ⁇ / -dimethylphorm-dm, / ? - dimethylacetates, hexamethylphosphate, id, clean methylated, chloroethane, tetrachlomethane, dimethylamine, dimethyl sulfate, tetrahydride or mixed.
  • the present invention makes it possible to significantly reduce the cost of membrane production.
  • Poli--, 3-4-oxadiazole disinfectants in the Russian manufacturer do not cause damage to materials and feeds
  • membranes for the manufacture of membranes it may be possible to use the usual- and other equipment and, in particular, to the extent that they are difficult to cook, they are much less cooked.
  • the abovementioned membranes, as proposed by the invention may be obtained by the following method. It is sold in poli- ⁇ , 3,4-oxadiazole in the Russian market with a cost concentration of 12-16 wt. . Such a .filter is filtered and applied at a high thickness of 200-250 ⁇ m for a turning angle of, for example, on a moving steel tape, which is not in use.
  • Example 3 The diaphragm is prepared for use with I, using a 10% non-volatile temperature in the consumer, which is inactive.
  • EXAMPLE 4 The membrane is prepared for example I, using the third-party application. The results of the test of the membrane are given in table I.
  • Example 6 The separator shown in Example 2. The results of the test of the membrane are shown in Table I. — Example 6.
  • Example 7 The membrane is prepared for use in Example 5, using a 20% industrial solution in the U-methylated form, which must be taken after application on a vaguly. The results of the test of the membrane are given in Table I. Example 7.
  • ⁇ emb ⁇ anu g ⁇ vya ⁇ ⁇ ⁇ ime ⁇ u 7 is ⁇ lzuya ⁇ as ⁇ v ⁇ ⁇ lime ⁇ a in ⁇ -me ⁇ il ⁇ i ⁇ lid ⁇ ne, s ⁇ de ⁇ zhaschem 2 ⁇ ⁇ ⁇ c - ⁇ as ⁇ v ⁇ nan ⁇ sya ⁇ on chas ⁇ ichn ⁇ ⁇ g ⁇ uzhenny in v ⁇ du v ⁇ ascha ⁇ tsiy- camping s ⁇ aln ⁇ y ba ⁇ aban.
  • Dieters are prepared for example I, using various types of poli-3, 3,4-oxadiazole products in the urban environment. The loss of viscosity and the resulting viscosity,

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
PCT/SU1980/000144 1980-08-22 1980-08-22 Porous polymer membrane and method of making it WO1982000648A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP55502252A JPS57501237A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-08-22 1980-08-22
DE19803050547 DE3050547A1 (de) 1980-08-22 1980-08-22 Porous polymer membrane and method of making it
PCT/SU1980/000144 WO1982000648A1 (en) 1980-08-22 1980-08-22 Porous polymer membrane and method of making it
GB8210910A GB2093460B (en) 1980-08-22 1980-08-22 Porous polymer membrane and method of making it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/SU1980/000144 WO1982000648A1 (en) 1980-08-22 1980-08-22 Porous polymer membrane and method of making it
WOSU80/00144800822 1980-08-22

Publications (1)

Publication Number Publication Date
WO1982000648A1 true WO1982000648A1 (en) 1982-03-04

Family

ID=21616656

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SU1980/000144 WO1982000648A1 (en) 1980-08-22 1980-08-22 Porous polymer membrane and method of making it

Country Status (4)

Country Link
JP (1) JPS57501237A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3050547A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2093460B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1982000648A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5039418A (en) * 1990-12-06 1991-08-13 Exxon Research And Engineering Company Membrane made from a multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer and its use in separations
WO1994004253A2 (en) * 1992-08-13 1994-03-03 The Dow Chemical Company Polyazole polymer-based membranes for fluid separation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252508A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-10-23 1971-11-03
SU520376A1 (ru) * 1974-03-19 1976-07-05 Волгоградский Политехнический Институт Способ получени растворимых поли-1,3,4-оксадиазолов
FR2295065A1 (fr) * 1974-12-19 1976-07-16 Furukawa Electric Co Ltd Membrane de separation de solute
SU556155A1 (ru) * 1974-12-19 1977-04-30 Предприятие П/Я М-5885 Способ получени ароматических поли1,3,4-оксадиазолов

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252508A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-10-23 1971-11-03
SU520376A1 (ru) * 1974-03-19 1976-07-05 Волгоградский Политехнический Институт Способ получени растворимых поли-1,3,4-оксадиазолов
FR2295065A1 (fr) * 1974-12-19 1976-07-16 Furukawa Electric Co Ltd Membrane de separation de solute
SU556155A1 (ru) * 1974-12-19 1977-04-30 Предприятие П/Я М-5885 Способ получени ароматических поли1,3,4-оксадиазолов

Also Published As

Publication number Publication date
DE3050547A1 (de) 1982-09-23
JPS57501237A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-07-15
GB2093460B (en) 1984-02-01
GB2093460A (en) 1982-09-02

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