CH486525A - Process for obtaining microporous films of high polymers and film obtained by this process - Google Patents
Process for obtaining microporous films of high polymers and film obtained by this processInfo
- 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
- 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
- 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
-
- 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 (en) | 1970-02-28 |
Family
ID=8634260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH968268A CH486525A (en) | 1967-06-30 | 1968-06-28 | Process for obtaining microporous films of high polymers and film obtained by this process |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE717380A (en) |
BR (1) | BR6800115D0 (en) |
CH (1) | CH486525A (en) |
DE (1) | DE1779010C3 (en) |
ES (1) | ES355565A1 (en) |
FR (1) | FR1551885A (en) |
GB (1) | GB1212726A (en) |
IL (1) | IL30273A (en) |
NL (1) | NL142716B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD100484A1 (en) * | 1971-12-24 | 1973-09-20 | ||
JPS5856378B2 (en) * | 1976-09-08 | 1983-12-14 | 旭化成株式会社 | Acrylonitrile polymer dry membrane and its manufacturing method |
DE2918027C2 (en) * | 1979-05-04 | 1986-05-28 | Akzo Gmbh, 5600 Wuppertal | Ultrafiltration membranes made from linear polyurethanes |
CN101422669B (en) * | 2008-11-26 | 2012-02-08 | 南昌大学 | Preparation method of hydrophilicity macromolecule micropore filter material |
CN113768081B (en) * | 2021-09-14 | 2023-08-25 | 金腰燕(广州)食品有限公司 | Method for removing nitrite in bird's nest |
-
1967
- 1967-06-30 FR FR112715A patent/FR1551885A/fr not_active Expired
-
1968
- 1968-06-21 NL NL686808786A patent/NL142716B/en not_active IP Right Cessation
- 1968-06-25 BR BR200115/68A patent/BR6800115D0/en unknown
- 1968-06-28 BE BE717380D patent/BE717380A/xx unknown
- 1968-06-28 IL IL30273A patent/IL30273A/en unknown
- 1968-06-28 ES ES355565A patent/ES355565A1/en not_active Expired
- 1968-06-28 DE DE1779010A patent/DE1779010C3/en not_active Expired
- 1968-06-28 CH CH968268A patent/CH486525A/en not_active IP Right Cessation
- 1968-06-28 GB GB31055/68A patent/GB1212726A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IL30273A0 (en) | 1968-08-22 |
FR1551885A (en) | 1969-01-03 |
DE1779010A1 (en) | 1971-11-18 |
BE717380A (en) | 1968-12-30 |
GB1212726A (en) | 1970-11-18 |
NL142716B (en) | 1974-07-15 |
BR6800115D0 (en) | 1973-01-04 |
NL6808786A (en) | 1968-12-31 |
ES355565A1 (en) | 1969-12-16 |
DE1779010B2 (en) | 1978-02-23 |
IL30273A (en) | 1972-10-29 |
DE1779010C3 (en) | 1978-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2295826A1 (en) | PROCESS AND DEVICE FOR THE MANUFACTURING OF HOLLOW BODIES FROM THERMOPLASTIC MATERIAL AND HOLLOW BODIES OBTAINED BY THIS PROCESS | |
FR1383778A (en) | Process for obtaining tiny capsules and capsules obtained by this process | |
FR1346517A (en) | Process for obtaining oriented thermoplastic films | |
CH409622A (en) | Method of obtaining a film magazine having an indication representative of a characteristic of the film and magazine obtained by this method | |
FR2330522A1 (en) | DEVICE FOR MANUFACTURING PLASTIC HOLLOW BODIES AND HOLLOW BODIES OBTAINED BY APPLICATION OF THIS DEVICE | |
FR1394694A (en) | Method and device for the manufacture of hollow bodies by blow molding | |
FR1180941A (en) | Process for obtaining pure olefin polymers | |
FR1514707A (en) | Process for the preparation of olefin polymer films | |
CH486525A (en) | Process for obtaining microporous films of high polymers and film obtained by this process | |
BE791771A (en) | CONFORMING DEVICE BY EXTRUSION OF THERMOPLASTIC MATERIAL TUBES | |
CH542282A (en) | Process for obtaining macromolecular amyloidosis | |
IT1065691B (en) | PROCESS FOR THE PREPARATION OF FILMS AND COATINGS CONTAINING POLYVINYL ALCOHOL WITH DECREASED WATER SOLUBILITY | |
FR1386134A (en) | Process for the manufacture of expandable polymers and polymers obtained by this process | |
CH463794A (en) | Process for obtaining crosslinked polymers | |
CH487120A (en) | Process for the synthesis of new substituted 2-arylalkyloxy-benzamides | |
FR1500157A (en) | Process for obtaining lespecapitoside | |
FR1540853A (en) | Magnetic film coating process | |
FR1536414A (en) | Process of plating membranes and membranes obtained | |
FR1216011A (en) | Device for cooling the inner surface of hollow bodies obtained by the extrusion molding process | |
BE746884A (en) | NEW NITRAL DERIVATIVES OF SALICYLAMIDE AND PROCESS FOR PREPARATION OF DERIVATIVES | |
FR1387855A (en) | Process for the production of expanded polystyrene films | |
FR1494153A (en) | Process for obtaining flexible reflecting surfaces, in particular for projection screens, and surfaces obtained by this prcoédé | |
FR1369834A (en) | Process for obtaining coated polyolefin films | |
FR1393992A (en) | Process for obtaining solutions of antigens | |
FR1546349A (en) | Method of forming silver films by pyrolysis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |