IT1062644B - Procedimento per preparare pellicole mediante metodo ad umido - Google Patents

Procedimento per preparare pellicole mediante metodo ad umido

Info

Publication number
IT1062644B
IT1062644B IT50677/76A IT5067776A IT1062644B IT 1062644 B IT1062644 B IT 1062644B IT 50677/76 A IT50677/76 A IT 50677/76A IT 5067776 A IT5067776 A IT 5067776A IT 1062644 B IT1062644 B IT 1062644B
Authority
IT
Italy
Prior art keywords
procedure
wet method
preparing films
films
preparing
Prior art date
Application number
IT50677/76A
Other languages
English (en)
Italian (it)
Inventor
Maehara Junichiro
Original Assignee
Idemitsu Kosan Co
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 filed Critical Idemitsu Kosan Co
Application granted granted Critical
Publication of IT1062644B publication Critical patent/IT1062644B/it

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)
IT50677/76A 1975-07-31 1976-07-29 Procedimento per preparare pellicole mediante metodo ad umido IT1062644B (it)

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
IT1062644B true IT1062644B (it) 1984-10-20

Family

ID=14057048

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50677/76A IT1062644B (it) 1975-07-31 1976-07-29 Procedimento per preparare pellicole mediante metodo ad umido

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)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470371B1 (fr) * 1979-11-23 1985-09-13 Neotronics Ltd Appareil de mesure de l'efficacite d'installation de combustion
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

Also Published As

Publication number Publication date
FR2319663B1 (enExample) 1978-05-05
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
GB1502536A (en) 1978-03-01

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