CA1207705A - Dimensionally stable asbestos-polytetrafluoroethylene diaphragms for chlor-alkali electrolytic cells - Google Patents

Dimensionally stable asbestos-polytetrafluoroethylene diaphragms for chlor-alkali electrolytic cells

Info

Publication number
CA1207705A
CA1207705A CA000383721A CA383721A CA1207705A CA 1207705 A CA1207705 A CA 1207705A CA 000383721 A CA000383721 A CA 000383721A CA 383721 A CA383721 A CA 383721A CA 1207705 A CA1207705 A CA 1207705A
Authority
CA
Canada
Prior art keywords
fibrids
polytetrafluoroethylene
diaphragm
mat
asbestos
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
CA000383721A
Other languages
English (en)
French (fr)
Inventor
Shan-Pu Tsai
Leo L. Benezra
Lewis R. Horvat
John P. Hazzard
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.)
Eltech Systems Corp
Original Assignee
Eltech Systems Corp
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 Eltech Systems Corp filed Critical Eltech Systems Corp
Application granted granted Critical
Publication of CA1207705A publication Critical patent/CA1207705A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/40—Formation of filaments, threads, or the like by applying a shearing force to a dispersion or solution of filament formable polymers, e.g. by stirring
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00—Diaphragms; Spacing elements
    • C25B13/04—Diaphragms; Spacing elements characterised by the material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
CA000383721A 1980-09-22 1981-08-12 Dimensionally stable asbestos-polytetrafluoroethylene diaphragms for chlor-alkali electrolytic cells Expired CA1207705A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18903680A 1980-09-22 1980-09-22
US189,036 1988-05-02

Publications (1)

Publication Number Publication Date
CA1207705A true CA1207705A (en) 1986-07-15

Family

ID=22695647

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000383721A Expired CA1207705A (en) 1980-09-22 1981-08-12 Dimensionally stable asbestos-polytetrafluoroethylene diaphragms for chlor-alkali electrolytic cells

Country Status (6)

Country Link
EP (1) EP0048617B1 (de)
JP (1) JPS5785985A (de)
BR (1) BR8105955A (de)
CA (1) CA1207705A (de)
DE (1) DE3169066D1 (de)
MX (1) MX167581B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563260A (en) * 1983-01-27 1986-01-07 Eltech Systems Corporation Modified liquid permeable asbestos diaphragms with improved dimensional stability
DE19746404A1 (de) * 1997-10-21 1999-04-22 Basf Ag Verfahren zur Herstellung von Kompositfasern und Disphragmen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070257A (en) * 1970-08-13 1978-01-24 Electrode Corporation Electrolytic process using novel diaphragm
ZA74315B (en) * 1973-01-17 1975-03-26 Diamond Shamrock Corp Dimensionally stable asbestos diaphragms
AR206735A1 (es) * 1975-04-09 1976-08-13 Hooker Chemicals Plastics Corp Un metodo para producir un catodo revestido con un diafragma para celdas electroliticas y el catodo asi producido

Also Published As

Publication number Publication date
BR8105955A (pt) 1982-06-08
EP0048617B1 (de) 1985-02-20
EP0048617A1 (de) 1982-03-31
DE3169066D1 (en) 1985-03-28
JPS5785985A (en) 1982-05-28
MX167581B (es) 1993-03-30

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Legal Events

Date Code Title Description
MKEX Expiry