GB411342A - Process for the manufacture of carbon electrodes - Google Patents

Process for the manufacture of carbon electrodes

Info

Publication number
GB411342A
GB411342A GB26235/33A GB2623533A GB411342A GB 411342 A GB411342 A GB 411342A GB 26235/33 A GB26235/33 A GB 26235/33A GB 2623533 A GB2623533 A GB 2623533A GB 411342 A GB411342 A GB 411342A
Authority
GB
United Kingdom
Prior art keywords
insoluble
benzene
small quantities
petroleum ether
carbon electrodes
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
GB26235/33A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB411342A publication Critical patent/GB411342A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/02—Details
    • H05B31/06—Electrodes
    • H05B31/16—Apparatus or processes specially adapted for manufacturing electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Working-Up Tar And Pitch (AREA)

Abstract

In the production of carbon electrodes from coke and a binding agent, the binding agent consists of that part of a benzene extract from coal, coal tar, bitumens or petroleum distillates which is insoluble in petroleum ether. Small quantities, e.g. up to 10 per cent, of the fraction soluble in both benzene and petroleum ether and/or small quantities of the residue insoluble in both solvents may also be added. Five examples are given.ALSO:As the binding agent in the production of carbon electrodes is used that fraction obtained by extraction from coal, coal tar, bitumens or petroleum distillates, which while soluble in benzene is insoluble in petroleum ether. Small quantities, e.g. up to 10 per cent, of the fraction soluble in both benzene and petroleum ether and/or small quantities of the fraction insoluble in both solvents may also be added. Five examples are given.
GB26235/33A 1932-11-05 1933-09-22 Process for the manufacture of carbon electrodes Expired GB411342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE411342X 1932-11-05

Publications (1)

Publication Number Publication Date
GB411342A true GB411342A (en) 1934-06-07

Family

ID=6430281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26235/33A Expired GB411342A (en) 1932-11-05 1933-09-22 Process for the manufacture of carbon electrodes

Country Status (1)

Country Link
GB (1) GB411342A (en)

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