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GB1125630A - Heat-resistant black fibres and fabrics derived from rayon - Google Patents

Heat-resistant black fibres and fabrics derived from rayon

Info

Publication number
GB1125630A
GB1125630A GB4656465A GB4656465A GB1125630A GB 1125630 A GB1125630 A GB 1125630A GB 4656465 A GB4656465 A GB 4656465A GB 4656465 A GB4656465 A GB 4656465A GB 1125630 A GB1125630 A GB 1125630A
Authority
GB
United Kingdom
Prior art keywords
carbon
fibres
fibre material
fibre
heating
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
GB4656465A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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
Priority claimed from US426789A external-priority patent/US3235323A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1125630A publication Critical patent/GB1125630A/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
    • D01F9/16—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Ceramic Products (AREA)
  • Laminated Bodies (AREA)

Abstract

1,125,630. Carbon fibres. MINNESOTA MINING & MFG. CO. 3' Nov., 1965 [21 Jan., 1965], No. 46564/65. Heading C1A. [Also in Divisions B5, D2 and H5] Electrically conductive carbon fibre material is made by heating regenerated cellulose fibre material impregnated with from 10 to 30% by weight of ammonium chloride to at least 230‹ C. in air or other atmosphere containing free oxygen to give an intermediate black flexible chemically combined nitrogen-containing organic fibre material which is then carbonized' without loss. of fibre identity by heating to a higher temperature than that used to give the' intermediate fibre material' in a non-oxidizing atmosphere for not longer than 30 minutes. The starting material may, be woven or non- woven fabric or a continuous filament tow and may be drawn continuously through heating zones which convert it first to the intermediate fibre material and then to. the electrically conductive carbon' fibre material without intermediate cooling between the heating zones. The non-oxidizing atmosphere may be-nitrogen. A carbonizing temperature of 1300‹ C. is preferably reached and the carbon content increases to at least 95% by weight of the fibre. A carbonizing temperature of at. least 2200‹ C. is preferably employed to obtain fibres of at least 99À5% by weight carbon... Carbon cloth made by this process may be impregnated. with a high-temperature resistant phenolic laminating varnish. and. laminated into. a. composite which is cured under heat and. pressure, and may be used. for making potentiometer elements.. Carbon fibres made by thisprocess containing. 99À5+ % carbon may be incorporated wtih 83% paper-making cellulose fibres,. 10%. asbestos. fibres to form acellulosio. electrical heating element paper.
GB4656465A 1965-01-21 1965-11-03 Heat-resistant black fibres and fabrics derived from rayon Expired GB1125630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US426789A US3235323A (en) 1960-04-14 1965-01-21 Heat-resistant black fibers and fabrics derived from rayon

Publications (1)

Publication Number Publication Date
GB1125630A true GB1125630A (en) 1968-08-28

Family

ID=23692210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4656465A Expired GB1125630A (en) 1965-01-21 1965-11-03 Heat-resistant black fibres and fabrics derived from rayon

Country Status (3)

Country Link
FR (1) FR1462564A (en)
GB (1) GB1125630A (en)
SE (1) SE326947B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE794422A (en) * 1972-01-24 1973-07-23 Rhone Poulenc Textile ELECTRO-CONDUCTIVE FELTS WITH GOOD MECHANICAL PROPERTIES
IT1162865B (en) * 1983-05-23 1987-04-01 Fiat Auto Spa ELECTRICALLY CONDUCTIVE FILTER PAPER AND FILTER USING SUCH PAPER

Also Published As

Publication number Publication date
FR1462564A (en) 1966-12-16
SE326947B (en) 1970-08-10

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