EP0068752B1 - Eingeschlossenes Kalzium und Bor enthaltende Kohlenstoffaser - Google Patents

Eingeschlossenes Kalzium und Bor enthaltende Kohlenstoffaser Download PDF

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Publication number
EP0068752B1
EP0068752B1 EP82303177A EP82303177A EP0068752B1 EP 0068752 B1 EP0068752 B1 EP 0068752B1 EP 82303177 A EP82303177 A EP 82303177A EP 82303177 A EP82303177 A EP 82303177A EP 0068752 B1 EP0068752 B1 EP 0068752B1
Authority
EP
European Patent Office
Prior art keywords
boron
calcium
carbon fibre
fibre
weight
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
EP82303177A
Other languages
English (en)
French (fr)
Other versions
EP0068752A1 (de
Inventor
Raymond Vincent Sara
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.)
BP Corp North America Inc
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of EP0068752A1 publication Critical patent/EP0068752A1/de
Application granted granted Critical
Publication of EP0068752B1 publication Critical patent/EP0068752B1/de
Expired legal-status Critical Current

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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
    • D01F9/32—Apparatus therefor
    • D01F9/322—Apparatus therefor for manufacturing filaments from pitch
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
    • D01F11/12—Chemical after-treatment of artificial filaments or the like during manufacture of carbon with inorganic substances ; Intercalation
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
    • D01F11/12—Chemical after-treatment of artificial filaments or the like during manufacture of carbon with inorganic substances ; Intercalation
    • D01F11/124—Boron, borides, boron nitrides
    • 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
    • D01F9/145—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues

Definitions

  • the invention relates to a mesophase pitch derived carbon fibre which has been boronated and intercalated with calcium.
  • boron and about 1% by weight calcium provides a good quality carbon fibre according to the invention.
  • the amount of calcium intercalation must be determined experimentally by varying the amount of the calcium compound used and the treatment time.
  • vapour pressure of the boron is much lower than the calcium.
  • the boronation is a result of atomic diffusion whereas the intercalation of calcium is a result of vapour diffusion.
  • Examples 94 to 109 do not include the preferred calcium to boron weight ratio but the trend of resistivity versus calcium content shows the characteristic increase in resistivity for a calcium to boron weight ratio less than 2:1.
  • the interlayer spacing increases from a calcium content of about 3.8% to 8.5% by weight and would be expected to be a maximum at about 10% by weight in accordance with the invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Chemical Treatment Of Fibers During Manufacturing Processes (AREA)

Claims (10)

1. Von einem Mesophasen-Pech abgeleitete Kohlenstoffaser mit einem Durchmesser von weniger als 30 um, die bor und eingeschlossenes Calcium enthält.
2. Kohlenstoffaser nach Anspruch 1, in der das Gewichtsverhältnis zwischen Calcium und Bor in der Faser etwa 2:1 beträgt.
3. Kohlenstoffaser nach Anspruch 1 oder 2, in der die Faser mindestens etwa 0,1 Gew.% Bor enthält.
4. Kohlenstoffaser nach einem der Ansprüche 1 bis 3, in der der spezifische Widerstand der Faser etwa 1 Mikroohm-Meter beträgt.
5. Verfahren zur Herstellung einer von einem Mesophasen-Pech abgeleiteten Kohlenstoffaser, das die Schritte des Borzusatzes und des Einfügens von Calcium in eine Kohlenstoffaser mit einem Durchmesser von weniger also 30 pm umfasst, die von einem Mesophasen-Pech mit einem Mesophasen-Gehalt von mindestens etwa 70 Gew.% abgeleitet ist.
6. Verfahren nach Anspruch 5, bei dem die Schritte des Borzusatzes und des Einfügens von Calcium gleichzeitig ausgeführt werden oder bei dem der Schritt des Einfügens von Calcium im Anschluss an den Schritt des Borzusatzes durchgeführt wird.
7. Verfahren nach Anspruch 5 oder 6, bei dem die Schritte des Borzusatzes und des Einfügens von Calcium zur Einstellung eines Gewichtsverhältnisses von Calcium zu Bor in der Faser von etwa 2:1 in der Faser durchgeführt werden.
8. Verfahren nach Anspruch 7, bei dem die Faser mindestens etwa 0,1 Gew.% Bor enthält.
9. Verfahren nach einem der Ansprüche 5 bis 8, bei dem der Schritt des Borzusatzes mit elementarem Bor, BCI3, einem Boran oder einer wasserlöslichen Borverbindung durchgeführt wird.
10. Verfahren nach einem der Ansprüche 5 bis 9, bei dem der Schritt des Einfügens von Calcium unter Verwendung von CaNCN oder CaCI2 durchgeführt wird.
EP82303177A 1981-06-22 1982-06-18 Eingeschlossenes Kalzium und Bor enthaltende Kohlenstoffaser Expired EP0068752B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27615881A 1981-06-22 1981-06-22
US276158 1988-11-23

Publications (2)

Publication Number Publication Date
EP0068752A1 EP0068752A1 (de) 1983-01-05
EP0068752B1 true EP0068752B1 (de) 1985-09-11

Family

ID=23055439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82303177A Expired EP0068752B1 (de) 1981-06-22 1982-06-18 Eingeschlossenes Kalzium und Bor enthaltende Kohlenstoffaser

Country Status (4)

Country Link
EP (1) EP0068752B1 (de)
JP (1) JPS588125A (de)
CA (1) CA1173609A (de)
DE (1) DE3266177D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225135B (zh) * 2013-05-09 2015-12-23 中国科学院化学研究所 多孔碳纤维及其制备方法与应用
CN104342852B (zh) * 2014-10-27 2017-03-29 东华大学 一种多孔碳纳米纤维毡及多孔碳纳米纤维电极的制备方法
JP7258800B2 (ja) 2020-03-02 2023-04-17 Ｍｍｉセミコンダクター株式会社 サーモパイル型センサ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949830A1 (de) * 1968-10-03 1970-04-30 Nat Res Dev Verbesserte Kohlefasern und Verfahren zu ihrer Herstellung
GB1295289A (de) * 1968-12-09 1972-11-08

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3692577A (en) * 1969-12-02 1972-09-19 Heathcoat & Co Ltd Carbon filaments
FR2424240A1 (fr) * 1978-04-25 1979-11-23 Stackpole Carbon Co Procede pour fabriquer une feuille de graphite flexible a haute resistance
DE2946414A1 (de) * 1979-11-16 1981-05-21 Julius J. Dr. 8011 Zorneding Nickl Verfahren zur bleibenden steigerung der elektrischen leitfaehigkeit von grafit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949830A1 (de) * 1968-10-03 1970-04-30 Nat Res Dev Verbesserte Kohlefasern und Verfahren zu ihrer Herstellung
GB1295289A (de) * 1968-12-09 1972-11-08

Also Published As

Publication number Publication date
DE3266177D1 (en) 1985-10-17
JPS639046B2 (de) 1988-02-25
CA1173609A (en) 1984-09-04
EP0068752A1 (de) 1983-01-05
JPS588125A (ja) 1983-01-18

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