CH486525A - Procédé d'obtention de pellicules microporeuses en hauts polymères et pellicule obtenue par ce procédé - Google Patents
Procédé d'obtention de pellicules microporeuses en hauts polymères et pellicule obtenue par ce procédéInfo
- Publication number
- CH486525A CH486525A CH968268A CH968268A CH486525A CH 486525 A CH486525 A CH 486525A CH 968268 A CH968268 A CH 968268A CH 968268 A CH968268 A CH 968268A CH 486525 A CH486525 A CH 486525A
- Authority
- CH
- Switzerland
- Prior art keywords
- film obtained
- high polymers
- microporous films
- obtaining microporous
- obtaining
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
-
- 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
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
- B01D71/421—Polyacrylonitrile
-
- 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
- B01D71/54—Polyureas; Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
- B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/0052—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by leaching out of a compound, e.g. water soluble salts, fibres or fillers; obtained by freezing or sublimation; obtained by eliminating drops of sublimable fluid
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/048—Elimination of a frozen liquid phase
- C08J2201/0484—Elimination of a frozen liquid phase the liquid phase being aqueous
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
- C08J2201/0502—Elimination by evaporation or heat degradation of a liquid phase the liquid phase being organic
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
- C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
- C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR112715 | 1967-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH486525A true CH486525A (fr) | 1970-02-28 |
Family
ID=8634260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH968268A CH486525A (fr) | 1967-06-30 | 1968-06-28 | Procédé d'obtention de pellicules microporeuses en hauts polymères et pellicule obtenue par ce procédé |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE717380A (fr) |
BR (1) | BR6800115D0 (fr) |
CH (1) | CH486525A (fr) |
DE (1) | DE1779010C3 (fr) |
ES (1) | ES355565A1 (fr) |
FR (1) | FR1551885A (fr) |
GB (1) | GB1212726A (fr) |
IL (1) | IL30273A (fr) |
NL (1) | NL142716B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD100484A1 (fr) * | 1971-12-24 | 1973-09-20 | ||
JPS5856378B2 (ja) * | 1976-09-08 | 1983-12-14 | 旭化成株式会社 | アクリロニトリル系重合体乾燥膜およびその製造法 |
DE2918027C2 (de) * | 1979-05-04 | 1986-05-28 | Akzo Gmbh, 5600 Wuppertal | Ultrafiltrationsmembranen aus linearen Polyurethanen |
CN101422669B (zh) * | 2008-11-26 | 2012-02-08 | 南昌大学 | 一种亲水性高分子微孔过滤材料的制备方法 |
CN113768081B (zh) * | 2021-09-14 | 2023-08-25 | 金腰燕(广州)食品有限公司 | 去除燕窝中亚硝酸盐的方法 |
-
1967
- 1967-06-30 FR FR112715A patent/FR1551885A/fr not_active Expired
-
1968
- 1968-06-21 NL NL686808786A patent/NL142716B/xx not_active IP Right Cessation
- 1968-06-25 BR BR200115/68A patent/BR6800115D0/pt unknown
- 1968-06-28 ES ES355565A patent/ES355565A1/es not_active Expired
- 1968-06-28 DE DE1779010A patent/DE1779010C3/de not_active Expired
- 1968-06-28 IL IL30273A patent/IL30273A/en unknown
- 1968-06-28 CH CH968268A patent/CH486525A/fr not_active IP Right Cessation
- 1968-06-28 GB GB31055/68A patent/GB1212726A/en not_active Expired
- 1968-06-28 BE BE717380D patent/BE717380A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES355565A1 (es) | 1969-12-16 |
BE717380A (fr) | 1968-12-30 |
DE1779010B2 (de) | 1978-02-23 |
GB1212726A (en) | 1970-11-18 |
DE1779010A1 (de) | 1971-11-18 |
FR1551885A (fr) | 1969-01-03 |
NL6808786A (fr) | 1968-12-31 |
BR6800115D0 (pt) | 1973-01-04 |
IL30273A0 (en) | 1968-08-22 |
IL30273A (en) | 1972-10-29 |
DE1779010C3 (de) | 1978-10-26 |
NL142716B (nl) | 1974-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |