GB1502536A - Process for preparing film by wet method - Google Patents

Process for preparing film by wet method

Info

Publication number
GB1502536A
GB1502536A GB28219/76A GB2821976A GB1502536A GB 1502536 A GB1502536 A GB 1502536A GB 28219/76 A GB28219/76 A GB 28219/76A GB 2821976 A GB2821976 A GB 2821976A GB 1502536 A GB1502536 A GB 1502536A
Authority
GB
United Kingdom
Prior art keywords
liquid phase
water
hydrazine hydrate
starting solution
solution
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB28219/76A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
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 Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Publication of GB1502536A publication Critical patent/GB1502536A/en
Expired legal-status Critical Current

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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • B01D67/00165—Composition of the coagulation baths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0231—Dense layers being placed on the outer side of the cross-section

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
GB28219/76A 1975-07-31 1976-07-07 Process for preparing film by wet method Expired GB1502536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50092535A JPS5216572A (en) 1975-07-31 1975-07-31 Method of producing wet film

Publications (1)

Publication Number Publication Date
GB1502536A true GB1502536A (en) 1978-03-01

Family

ID=14057048

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28219/76A Expired GB1502536A (en) 1975-07-31 1976-07-07 Process for preparing film by wet method

Country Status (5)

Country Link
JP (1) JPS5216572A (enExample)
DE (1) DE2634604C3 (enExample)
FR (1) FR2319663A1 (enExample)
GB (1) GB1502536A (enExample)
IT (1) IT1062644B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042670A1 (de) * 1979-11-23 1981-10-01 Neotronics Ltd., Bishops Stortford, Hertfordshire Vorrichtung zum messen des wirkungsgrades einer feuerung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58175226A (ja) * 1982-04-08 1983-10-14 株式会社安川電機 ガス封入形遮断器
DE3217047A1 (de) * 1982-05-06 1983-11-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Membranen auf der basis von kieselsaeureheteropolykondensaten, verfahren zu ihrer herstellung und ihre verwendung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512054B2 (enExample) * 1972-09-22 1980-03-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042670A1 (de) * 1979-11-23 1981-10-01 Neotronics Ltd., Bishops Stortford, Hertfordshire Vorrichtung zum messen des wirkungsgrades einer feuerung

Also Published As

Publication number Publication date
FR2319663B1 (enExample) 1978-05-05
IT1062644B (it) 1984-10-20
JPS5216572A (en) 1977-02-07
DE2634604B2 (de) 1978-06-01
JPS561345B2 (enExample) 1981-01-13
DE2634604C3 (de) 1979-01-25
DE2634604A1 (de) 1977-02-03
FR2319663A1 (fr) 1977-02-25

Similar Documents

Publication Publication Date Title
GB1507921A (en) Membranes
GB1479344A (en) Process for producing microporous sheets
BE812618A (fr) Dispersions de polyurethannes ne contenant pas d'emulsifiants
FR2281999A1 (fr) Membranes en feuille continue pour cathodes electrolytiques de forme convolutee
SE393406B (sv) Forfarande for framstellning av hypoklorit ur havsvatten genom elektrolys i en cell jemte cell for genomforande av forfarandet
AT329200B (de) Verfahren zur herstellung von neuen 2- (heteroaryl-methyl) -5,9beta-dialkyl -6,7-benzomorphanen
ATA852374A (de) Verfahren zur herstellung von neuen 1,2-benzisoxazol-derivaten
GB1502536A (en) Process for preparing film by wet method
ATA918577A (de) Verfahren zur herstellung von neuen, alfa- -glucosidasen inhibierenden aminozucker- derivaten
BE855810A (fr) Procede ameliore pour la preparation d'emulsions de terpolymeres de chlorure de vinyle, d'acetate de vinyle et d'ethylene
ATA448177A (de) Verfahren zur herstellung von neuen dipeptid- derivaten
EP0745423A3 (en) Improved process for making cellulose acetate semipermeable membranes and medical products therefrom
JPS5584503A (en) Preparing cellulose ester based selective permeable membrane
FR2499866B1 (fr) Membrane cellulosique microporeuse, son procede de preparation d'une membrane d'hydrate de cellulose regeneree, a partir de solutions de cuoxame-cellulose contenant du polyethyleneglycol; et son utilisation en micro-filtration et plasmophorese
ATA432877A (de) Verfahren zur herstellung von neuen dipeptid- derivaten
AU3328071A (en) Liquid membrane process forthe separation of aqueous mixtures
AT333030B (de) Verfahren zur herstellung von derivaten von gegebenenfalls hydrierten blockcopolymeren
ATA623974A (de) Verfahren zur herstellung von neuen n(6)-di-substituierten adenosin-derivaten
AT352115B (de) Verfahren zur herstellung von neuen pyrazolderivaten
ATA709774A (de) Verfahren zur herstellung von polyvinylchloridpfropfcopolymeren
BE849936R (fr) Composition de chlorure de polyvinyle susceptible d'etre formee en feuille
GB1497976A (en) Quaternary ammonium salts of cellulose acetate chloroacylates
GB1324019A (en) Method of making reverse osmosis membranes
IT1080205B (it) Procedimento di produzione in massa,in fase liquida,di polimeri di alogenuro vinilico
RO66282A (fr) Procede pour la polymerisation dans l'emulsion du chlorure de vinyle

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee