IL30273A - Process for the production of microporous films,membranes or similar sheets of high polymers and products obtained thereby - Google Patents

Process for the production of microporous films,membranes or similar sheets of high polymers and products obtained thereby

Info

Publication number
IL30273A
IL30273A IL30273A IL3027368A IL30273A IL 30273 A IL30273 A IL 30273A IL 30273 A IL30273 A IL 30273A IL 3027368 A IL3027368 A IL 3027368A IL 30273 A IL30273 A IL 30273A
Authority
IL
Israel
Prior art keywords
film
water
process according
polymer
solvent
Prior art date
Application number
IL30273A
Other languages
English (en)
Other versions
IL30273A0 (en
Original Assignee
Crylor
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 Crylor filed Critical Crylor
Publication of IL30273A0 publication Critical patent/IL30273A0/xx
Publication of IL30273A publication Critical patent/IL30273A/en

Links

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)
IL30273A 1967-06-30 1968-06-28 Process for the production of microporous films,membranes or similar sheets of high polymers and products obtained thereby IL30273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR112715 1967-06-30

Publications (2)

Publication Number Publication Date
IL30273A0 IL30273A0 (en) 1968-08-22
IL30273A true IL30273A (en) 1972-10-29

Family

ID=8634260

Family Applications (1)

Application Number Title Priority Date Filing Date
IL30273A IL30273A (en) 1967-06-30 1968-06-28 Process for the production of microporous films,membranes or similar sheets of high polymers and products obtained thereby

Country Status (9)

Country Link
BE (1) BE717380A (enrdf_load_stackoverflow)
BR (1) BR6800115D0 (enrdf_load_stackoverflow)
CH (1) CH486525A (enrdf_load_stackoverflow)
DE (1) DE1779010C3 (enrdf_load_stackoverflow)
ES (1) ES355565A1 (enrdf_load_stackoverflow)
FR (1) FR1551885A (enrdf_load_stackoverflow)
GB (1) GB1212726A (enrdf_load_stackoverflow)
IL (1) IL30273A (enrdf_load_stackoverflow)
NL (1) NL142716B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD100484A1 (enrdf_load_stackoverflow) * 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

Also Published As

Publication number Publication date
IL30273A0 (en) 1968-08-22
BR6800115D0 (pt) 1973-01-04
FR1551885A (enrdf_load_stackoverflow) 1969-01-03
DE1779010B2 (de) 1978-02-23
DE1779010C3 (de) 1978-10-26
NL142716B (nl) 1974-07-15
CH486525A (fr) 1970-02-28
ES355565A1 (es) 1969-12-16
NL6808786A (enrdf_load_stackoverflow) 1968-12-31
DE1779010A1 (de) 1971-11-18
GB1212726A (en) 1970-11-18
BE717380A (enrdf_load_stackoverflow) 1968-12-30

Similar Documents

Publication Publication Date Title
US3724672A (en) Asymmetric hollow fiber membranes and method of fabrication
KR970000947B1 (ko) 배향된 미공성 필름 및 이의 제조방법
US8512612B2 (en) Nano-fibered membrane for western blot and manufacturing method of the same
US4127706A (en) Porous fluoropolymeric fibrous sheet and method of manufacture
US3878284A (en) Processes for making shaped articles such as filaments or films from solutions of polyglycolic acid
US4385094A (en) Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof
JPS61257203A (ja) 親水性多孔質膜およびその製造方法
JPH0575011B2 (enrdf_load_stackoverflow)
GB2251205A (en) Novel polypropylene microporous film
US3907675A (en) Semi-permeable polyvinyl alcohol membranes
JPH0526528B2 (enrdf_load_stackoverflow)
JPH0240254B2 (enrdf_load_stackoverflow)
NL8004988A (nl) Hydrofiele met monomeer behandelde microporeuze films.
US4568579A (en) Asymmetrical layered structures of polyalkylene sulfone resins
US5290448A (en) Polyacrylonitrile membrane
IL30273A (en) Process for the production of microporous films,membranes or similar sheets of high polymers and products obtained thereby
US2077412A (en) Process for the preparation of a molded cellulose foam from viscose and product thereof
US3449153A (en) Process for the preparation of vaporpermeable polyurethane films
US2948927A (en) Method of manufacturing fibrous and porous materials
JPS6134736B2 (enrdf_load_stackoverflow)
US3322611A (en) Porous fibers and processes of preparing same
JPH0676502B2 (ja) 微多孔性平膜及びその製造方法
JPH04265132A (ja) 多孔質中空糸膜の製法
JPH0274615A (ja) 炭素繊維系多孔質中空糸膜およびその製法
JPS6328406A (ja) 網目状多孔質中空糸膜