DE3368951D1 - Production of optically anisotropic pitches - Google Patents

Production of optically anisotropic pitches

Info

Publication number
DE3368951D1
DE3368951D1 DE8383303398T DE3368951T DE3368951D1 DE 3368951 D1 DE3368951 D1 DE 3368951D1 DE 8383303398 T DE8383303398 T DE 8383303398T DE 3368951 T DE3368951 T DE 3368951T DE 3368951 D1 DE3368951 D1 DE 3368951D1
Authority
DE
Germany
Prior art keywords
production
optically anisotropic
anisotropic pitches
pitches
optically
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
DE8383303398T
Other languages
English (en)
Inventor
Russell Judd Diefendorf
Joe Gerard Venner
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3368951D1 publication Critical patent/DE3368951D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C3/00—Working-up pitch, asphalt, bitumen
    • C10C3/08—Working-up pitch, asphalt, bitumen by selective extraction
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Inorganic Fibers (AREA)
DE8383303398T 1982-06-14 1983-06-13 Production of optically anisotropic pitches Expired DE3368951D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/388,017 US4465586A (en) 1982-06-14 1982-06-14 Formation of optically anisotropic pitches

Publications (1)

Publication Number Publication Date
DE3368951D1 true DE3368951D1 (en) 1987-02-12

Family

ID=23532280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383303398T Expired DE3368951D1 (en) 1982-06-14 1983-06-13 Production of optically anisotropic pitches

Country Status (6)

Country Link
US (1) US4465586A (de)
EP (1) EP0097048B1 (de)
JP (1) JPS594683A (de)
CA (1) CA1194445A (de)
DE (1) DE3368951D1 (de)
DK (1) DK272983A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927620A (en) * 1981-12-14 1990-05-22 Ashland Oil, Inc. Process for the manufacture of carbon fibers and feedstock therefor
US4913889A (en) * 1983-03-09 1990-04-03 Kashima Oil Company High strength high modulus carbon fibers
JPS6034619A (ja) * 1983-07-29 1985-02-22 Toa Nenryo Kogyo Kk 炭素繊維及び黒鉛繊維の製造方法
JPH0670220B2 (ja) * 1984-12-28 1994-09-07 日本石油株式会社 炭素繊維用ピッチの製造法
US5032250A (en) * 1988-12-22 1991-07-16 Conoco Inc. Process for isolating mesophase pitch
US5238672A (en) * 1989-06-20 1993-08-24 Ashland Oil, Inc. Mesophase pitches, carbon fiber precursors, and carbonized fibers
AU723862B2 (en) * 1990-12-21 2000-09-07 Conoco Inc. Solvated mesophase pitches
AU703375B2 (en) * 1990-12-21 1999-03-25 Conoco Inc. Solvated mesophase pitches
US5259947A (en) * 1990-12-21 1993-11-09 Conoco Inc. Solvated mesophase pitches
AU721796B2 (en) * 1990-12-21 2000-07-13 Conoco Inc. Solvated mesophase pitches
WO2012051603A2 (en) 2010-10-15 2012-04-19 Cyprian Emeka Uzoh Method and substrates for making photovoltaic cells
RU2502782C2 (ru) * 2012-03-16 2013-12-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" Способ получения анизотропного нефтяного волокнообразующего пека экстракцией толуолом в сверхкритических условиях
RU2480509C1 (ru) * 2012-03-16 2013-04-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" Способ получения анизотропного волокнообразующего нефтяного пека экстракцией ароматическими и гетероциклическими соединениями
DE102017111946A1 (de) 2017-05-31 2018-12-06 Epcos Ag Elektrische Schaltung und Verwendung der elektrischen Schaltung

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1218676A (fr) * 1958-07-25 1960-05-12 Firme Carl Still Procédé d'extraction de constituants acides de goudrons et d'huiles
US3235482A (en) * 1962-03-26 1966-02-15 Texaco Inc Method of preparing finely-divided asphaltic material
US3592595A (en) * 1968-11-21 1971-07-13 Celanese Corp Stabilization and carbonization of acrylic fibrous material
GB1356566A (en) * 1970-09-08 1974-06-12 Coal Industry Patents Ltd Manufacture of carbon fibres
US3668110A (en) * 1970-10-28 1972-06-06 Frederick L Shea Pitch treatment means
JPS55331B2 (de) * 1972-09-14 1980-01-07
US3919387A (en) * 1972-12-26 1975-11-11 Union Carbide Corp Process for producing high mesophase content pitch fibers
JPS55438B2 (de) * 1973-04-10 1980-01-08
JPS51119833A (en) * 1975-04-08 1976-10-20 Toho Rayon Co Ltd A process for manufacturing carbon fibers
US4208267A (en) * 1977-07-08 1980-06-17 Exxon Research & Engineering Co. Forming optically anisotropic pitches
US4184942A (en) * 1978-05-05 1980-01-22 Exxon Research & Engineering Co. Neomesophase formation
US4277324A (en) * 1979-04-13 1981-07-07 Exxon Research & Engineering Co. Treatment of pitches in carbon artifact manufacture
US4277325A (en) * 1979-04-13 1981-07-07 Exxon Research & Engineering Co. Treatment of pitches in carbon artifact manufacture
US4283269A (en) * 1979-04-13 1981-08-11 Exxon Research & Engineering Co. Process for the production of a feedstock for carbon artifact manufacture
US4219404A (en) * 1979-06-14 1980-08-26 Exxon Research & Engineering Co. Vacuum or steam stripping aromatic oils from petroleum pitch
US4464248A (en) * 1981-08-11 1984-08-07 Exxon Research & Engineering Co. Process for production of carbon artifact feedstocks

Also Published As

Publication number Publication date
EP0097048B1 (de) 1987-01-07
EP0097048A2 (de) 1983-12-28
DK272983A (da) 1983-12-15
JPS594683A (ja) 1984-01-11
CA1194445A (en) 1985-10-01
DK272983D0 (da) 1983-06-14
EP0097048A3 (en) 1984-02-22
US4465586A (en) 1984-08-14
JPH0344116B2 (de) 1991-07-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee