GB1117606A - Improvements in or relating to the manufacture of graphite - Google Patents

Improvements in or relating to the manufacture of graphite

Info

Publication number
GB1117606A
GB1117606A GB13855/65A GB1385565A GB1117606A GB 1117606 A GB1117606 A GB 1117606A GB 13855/65 A GB13855/65 A GB 13855/65A GB 1385565 A GB1385565 A GB 1385565A GB 1117606 A GB1117606 A GB 1117606A
Authority
GB
United Kingdom
Prior art keywords
graphite
pitch
relating
manufacture
ratio
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
GB13855/65A
Inventor
Mansel John Jenkins
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB13855/65A priority Critical patent/GB1117606A/en
Publication of GB1117606A publication Critical patent/GB1117606A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

Graphite is produced by adding sulphur to pitch or bitumen, refluxing, e.g. at 250 DEG C, to give a mass in which the ratio of S atoms/total atoms is 0.8 x 10-2-11 x 10-2, then carbonizing to remove all the S, and graphitizing. The S is said to be incorporated into a carbon ring structure. Carbonization may be effected at 520 DEG C. under 500 p.s.i.g., then at 900-1000 DEG C. under atmospheric pressure, and finally at 1300 DEG C. The core is then ground, mixed with pitch and graphitized. The product has a coefficient of volume thermal expansion of 7.5 x 10-6-15.14 x 10-6/ DEG C., and an isotropy ratio of 1.04-1.2.
GB13855/65A 1965-04-01 1965-04-01 Improvements in or relating to the manufacture of graphite Expired GB1117606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB13855/65A GB1117606A (en) 1965-04-01 1965-04-01 Improvements in or relating to the manufacture of graphite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13855/65A GB1117606A (en) 1965-04-01 1965-04-01 Improvements in or relating to the manufacture of graphite

Publications (1)

Publication Number Publication Date
GB1117606A true GB1117606A (en) 1968-06-19

Family

ID=10030603

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13855/65A Expired GB1117606A (en) 1965-04-01 1965-04-01 Improvements in or relating to the manufacture of graphite

Country Status (1)

Country Link
GB (1) GB1117606A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190637A (en) 1978-07-18 1980-02-26 The United States Of America As Represented By The United States Department Of Energy Graphite having improved thermal stress resistance and method of preparation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190637A (en) 1978-07-18 1980-02-26 The United States Of America As Represented By The United States Department Of Energy Graphite having improved thermal stress resistance and method of preparation

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