GB1228910A - - Google Patents

Info

Publication number
GB1228910A
GB1228910A GB1228910DA GB1228910A GB 1228910 A GB1228910 A GB 1228910A GB 1228910D A GB1228910D A GB 1228910DA GB 1228910 A GB1228910 A GB 1228910A
Authority
GB
United Kingdom
Prior art keywords
hexamine
mixture
temp
carbonized
fibres
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
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 filed Critical
Publication of GB1228910A publication Critical patent/GB1228910A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
    • D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
    • D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
    • D01F9/24—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

1,228,910. Phenolic resin fibres. COAL INDUSTRY (PATENTS) Ltd. 29 Aug., 1969 [6 Sept., 1968], No. 42539/68. Heading B5B. [Also in Division C1] Fibres are manufactured by mixing phenol either with hexamine at a temperature high enough to decompose the hexamine, or with formaldehyde and ammonia, and extruding the mixture into filaments. Filaments so made may be carbonized by heating in an inert atmosphere and subsequently heating the carbonized fibre to a temp. higher than the carbonization temp. (see Division C1). The mixture may contain 80-90% by weight of phenol, the balance being hexamine and these two may be mixed at 100‹ to 200‹ C. The mixture may be extruded at 100‹ to 150‹ C. into, for example, an inert atmosphere at a pressure of 5 p.s.i.g. to 10 p.s.i.g.; the fibres being carbonized in two stages, being heated in the first stage to a temp. in the range 100‹ to 350‹ C. at a rate from 1-2‹ C. per minute.
GB1228910D 1968-09-06 1968-09-06 Expired GB1228910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4253968 1968-09-06

Publications (1)

Publication Number Publication Date
GB1228910A true GB1228910A (en) 1971-04-21

Family

ID=10424870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228910D Expired GB1228910A (en) 1968-09-06 1968-09-06

Country Status (3)

Country Link
DE (1) DE1944908B2 (en)
FR (1) FR2017543A1 (en)
GB (1) GB1228910A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417872A (en) 1982-02-01 1983-11-29 Energy Research Corporation Heat treating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417872A (en) 1982-02-01 1983-11-29 Energy Research Corporation Heat treating

Also Published As

Publication number Publication date
DE1944908A1 (en) 1970-03-12
FR2017543A1 (en) 1970-05-22
DE1944908B2 (en) 1977-08-18
DE1944908C3 (en) 1978-04-20

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee