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GB1278677A - Thermally stabilizing acrylonitrile polymer filamentary materials and carbonizing the products obtained - Google Patents

Thermally stabilizing acrylonitrile polymer filamentary materials and carbonizing the products obtained

Info

Publication number
GB1278677A
GB1278677A GB39108/69A GB3910869A GB1278677A GB 1278677 A GB1278677 A GB 1278677A GB 39108/69 A GB39108/69 A GB 39108/69A GB 3910869 A GB3910869 A GB 3910869A GB 1278677 A GB1278677 A GB 1278677A
Authority
GB
United Kingdom
Prior art keywords
filamentary
temperature
effected
thermal stabilization
until
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
GB39108/69A
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.)
Celanese Corp
Original Assignee
Celanese 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 Celanese Corp filed Critical Celanese Corp
Publication of GB1278677A publication Critical patent/GB1278677A/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
    • D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/34—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxygen, ozone or ozonides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/19—Inorganic fiber

Landscapes

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

Abstract

1278677 Treating polyacrylonitrile fibres CELANESE CORP 5 Aug 1969 [5 Aug 1968] 39108/69 Heading B5B [Also in Division C1] Polyacrylonitrile filamentary material is thermally stabilized by heating it in an oxygencontaining atmosphere at from 10‹ to 100‹ C. below its critical temperature, i.e. the highest temperature which the filamentary starting material can withstand for three minutes without loss of filamentary configuration, until the material contains at least 5% by weight of combined oxygen, thereafter further heating the material in an oxygen-containing atmosphere at a temperature between said critical temperature and a temperature 50‹ C. higher and continuing this further heating for at least one minute and until the material has an increased combined oxygen content of at least 7% by weight, to produce a thermally stabilized product which does not burn in a match flame, is capable of undergoing carbonization and still has a filamentary configuration. The filamentary material may be made from an acrylonitrile homo-polymer or a copolymer containing at least 99 mole per cent of acrylonitrile units and up to 1 mole per cent of monoethylenically unsaturated comonomer units. The filamentary starting material may have a single filament tenacity of at least 5 grams per denier. It may be a yarn having from 0À1 to 1À0 turns of twist per inch. The filamentary material may contain at least 95 mole per cent of acrylonitrile units may be able to withstand a temperature of at least 300‹ C. without loss of its filamentary configuration and may be passed continuously through one or more zones in which the thermal stabilization is effected. Orientation by stretching may be effected prior to thermal stabilization. The thermal stabilization may be effected under conditions which permit the filamentary material to shrink by from 10 to 30% of its original length. The thermal stabilization may be effected by heating in an oxygen-containing atmosphere first at from 10‹ to 40‹ C. below the critical temperature of the starting material and subsequently at up to 30‹ C. above the said critical temperature. The thermally stabilized material may be heated at a temperature of from 900‹ to 3000‹ C. in an inert atmosphere until a carbonized product is formed, especially at a temperature of from 2000‹ to 3000‹ C. in an inert atmosphere until substantially complete graphitization has occurred.
GB39108/69A 1968-08-05 1969-08-05 Thermally stabilizing acrylonitrile polymer filamentary materials and carbonizing the products obtained Expired GB1278677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74995968A 1968-08-05 1968-08-05

Publications (1)

Publication Number Publication Date
GB1278677A true GB1278677A (en) 1972-06-21

Family

ID=25015943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39108/69A Expired GB1278677A (en) 1968-08-05 1969-08-05 Thermally stabilizing acrylonitrile polymer filamentary materials and carbonizing the products obtained

Country Status (4)

Country Link
US (1) US3539295A (en)
DE (1) DE1939390A1 (en)
FR (1) FR2019326A1 (en)
GB (1) GB1278677A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170491A (en) * 1985-02-04 1986-08-06 Fiber Materials Method of producing graphite fiber and product thereof

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961888A (en) * 1968-09-18 1976-06-08 Celanese Corporation Acrylic fiber conversion utilizing a stabilization treatment conducted initially in an essentially inert atmosphere
US3900556A (en) * 1968-11-20 1975-08-19 Celanese Corp Process for the continuous carbonization and graphitization of a stabilized acrylic fibrous material
US3723157A (en) * 1969-11-07 1973-03-27 Celanese Corp Production of resin impregnated fibrous graphite ribbons
US3954950A (en) * 1970-03-09 1976-05-04 Celanese Corporation Production of high tenacity graphitic fibrous materials
US3656883A (en) * 1970-03-09 1972-04-18 Celanese Corp Process for the stabilization of acrylic fibers
BE755579A (en) * 1970-04-07 1971-03-01 Sigri Elektrographit Gmbh CARBON AND GRAPHITE FIBER MANUFACTURING PROCESS
US3859158A (en) * 1971-04-20 1975-01-07 Celanese Corp Production of pervious low density carbon fiber reinforced composite articles
US3779789A (en) * 1971-04-20 1973-12-18 Celanese Corp Production of pervious low density carbon fiber reinforced composite articles
US3764662A (en) * 1971-04-21 1973-10-09 Gen Electric Process for making carbon fiber
JPS5029532B2 (en) * 1971-11-19 1975-09-23
JPS5029533B2 (en) * 1971-12-02 1975-09-23
US3914393A (en) * 1972-02-24 1975-10-21 Celanese Corp Process for the conversion of stabilized acrylic fibers to carbon fibers
US3914394A (en) * 1973-02-15 1975-10-21 Japan Exlan Co Ltd Process for producing carbon fibers
JPS5124604B2 (en) * 1973-04-25 1976-07-26
US4112059A (en) * 1974-11-14 1978-09-05 Celanese Corporation Process for the production of carbon filaments utilizing an acrylic precursor
US4048277A (en) * 1975-12-15 1977-09-13 Celanese Corporation Splice for use during the thermal stabilization of a flat multifilament band of an acrylic fibrous material comprising at least two segments
US4100004A (en) * 1976-05-11 1978-07-11 Securicum S.A. Method of making carbon fibers and resin-impregnated carbon fibers
US4077822A (en) * 1976-11-17 1978-03-07 Celanese Corporation Splice for use during the thermal stabilization of a flat multifilament band of an acrylic fibrous material comprising at least two segments
US4279612A (en) * 1980-04-23 1981-07-21 Great Lakes Carbon Corporation Production of stabilized acrylic fibers
JPS58214528A (en) * 1982-06-02 1983-12-13 Toray Ind Inc Production of carbon fiber
US4473372A (en) * 1983-05-12 1984-09-25 Celanese Corporation Process for the stabilization of acrylic fibers
US4534919A (en) * 1983-08-30 1985-08-13 Celanese Corporation Production of a carbon fiber multifilamentary tow which is particularly suited for resin impregnation
US4714642A (en) * 1983-08-30 1987-12-22 Basf Aktiengesellschaft Carbon fiber multifilamentary tow which is particularly suited for weaving and/or resin impregnation
US4781223A (en) * 1985-06-27 1988-11-01 Basf Aktiengesellschaft Weaving process utilizing multifilamentary carbonaceous yarn bundles
DE202015000375U1 (en) * 2015-01-17 2015-03-02 Kolja Kuse Carbonisation reactor for the combined production of construction material and electricity with the help of sunlight
AU2016381341B2 (en) 2015-12-31 2021-06-03 Ut-Battelle, Llc Method of producing carbon fibers from multipurpose commercial fibers
WO2023056515A1 (en) * 2021-10-06 2023-04-13 Gale Pacific Limited Enhanced fibre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799915A (en) * 1953-03-30 1957-07-23 Johns Manville Thermal modification of acrylonitrile polymers
GB911542A (en) * 1960-08-25 1962-11-28 Tokai Denkyoku Seizo Kabushiki Improvements in or relating to the manufacture of heat resistant and corrosion resistant polyacrylonitrile fibres
GB1110791A (en) * 1964-04-24 1968-04-24 Nat Res Dev The production of carbon fibres

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170491A (en) * 1985-02-04 1986-08-06 Fiber Materials Method of producing graphite fiber and product thereof

Also Published As

Publication number Publication date
US3539295A (en) 1970-11-10
DE1939390A1 (en) 1970-02-19
FR2019326A1 (en) 1970-07-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee