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)
• Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
• Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=21616656

Family Applications (1)

Country Status (4)

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Citations (4)

• 1980
  • 1980-08-22 JP JP55502252A patent/JPS57501237A/ja active Pending
  • 1980-08-22 DE DE19803050547 patent/DE3050547A1/de not_active Withdrawn
  • 1980-08-22 GB GB8210910A patent/GB2093460B/en not_active Expired
  • 1980-08-22 WO PCT/SU1980/000144 patent/WO1982000648A1/ru not_active Ceased

Patent Citations (4)

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