EP0472834A3 - Anisotropic spin dopes of reduced viscosity - Google Patents

Anisotropic spin dopes of reduced viscosity Download PDF

Info

Publication number
EP0472834A3
EP0472834A3 EP19910109761 EP91109761A EP0472834A3 EP 0472834 A3 EP0472834 A3 EP 0472834A3 EP 19910109761 EP19910109761 EP 19910109761 EP 91109761 A EP91109761 A EP 91109761A EP 0472834 A3 EP0472834 A3 EP 0472834A3
Authority
EP
European Patent Office
Prior art keywords
reduced viscosity
spin dopes
anisotropic spin
anisotropic
dopes
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.)
Withdrawn
Application number
EP19910109761
Other versions
EP0472834A2 (en
Inventor
William Cheng Uy
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
Publication of EP0472834A2 publication Critical patent/EP0472834A2/en
Publication of EP0472834A3 publication Critical patent/EP0472834A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/74Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
EP19910109761 1990-06-15 1991-06-14 Anisotropic spin dopes of reduced viscosity Withdrawn EP0472834A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53843790A 1990-06-15 1990-06-15
US538437 1990-06-15

Publications (2)

Publication Number Publication Date
EP0472834A2 EP0472834A2 (en) 1992-03-04
EP0472834A3 true EP0472834A3 (en) 1992-10-14

Family

ID=24146934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910109761 Withdrawn EP0472834A3 (en) 1990-06-15 1991-06-14 Anisotropic spin dopes of reduced viscosity

Country Status (3)

Country Link
EP (1) EP0472834A3 (en)
JP (1) JPH04241111A (en)
CA (1) CA2044407A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5367042A (en) * 1992-08-27 1994-11-22 The Dow Chemical Company Process for fabricating oriented polybenzazole films
US5294390A (en) * 1992-12-03 1994-03-15 The Dow Chemical Company Method for rapid spinning of a polybenzazole fiber
TW257798B (en) * 1992-12-03 1995-09-21 Dow Chemical Co
US5286833A (en) * 1992-12-03 1994-02-15 The Dow Chemical Company Polybenzazole fiber with ultra-high physical properties
US5296185A (en) * 1992-12-03 1994-03-22 The Dow Chemical Company Method for spinning a polybenzazole fiber
US5288445A (en) * 1992-12-03 1994-02-22 The Dow Chemical Company Rapid heat-treatment method for polybenzaole fiber
US5429787A (en) * 1992-12-03 1995-07-04 The Dow Chemical Company Method for rapid drying of a polybenzazole fiber
CA2148610A1 (en) * 1992-12-03 1994-06-09 Jang-Hi Im Method for rapid drying of a polybenzazole fiber
JPH10110329A (en) * 1996-10-01 1998-04-28 Toyobo Co Ltd Polybenzazole fiber and production thereof
CN103221337B (en) * 2010-06-01 2016-06-08 伊诺弗斯公司 The polyphosphoric acid composition of decrease in viscosity

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225700A (en) * 1979-04-23 1980-09-30 Sri International Thermally stable rod-like polybenzobisthiazole polymers
US4606875A (en) * 1983-04-11 1986-08-19 Celanese Corporation Process for preparing shaped articles of rigid rod heterocyclic liquid crystalline polymers
WO1987000844A1 (en) * 1985-08-05 1987-02-12 Commtech International A process for the production of a liquid crystalline extended chain polymer composition
EP0264271A2 (en) * 1986-10-15 1988-04-20 E.I. Du Pont De Nemours And Company Spinnable dopes and articles therefrom

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225700A (en) * 1979-04-23 1980-09-30 Sri International Thermally stable rod-like polybenzobisthiazole polymers
US4606875A (en) * 1983-04-11 1986-08-19 Celanese Corporation Process for preparing shaped articles of rigid rod heterocyclic liquid crystalline polymers
WO1987000844A1 (en) * 1985-08-05 1987-02-12 Commtech International A process for the production of a liquid crystalline extended chain polymer composition
EP0264271A2 (en) * 1986-10-15 1988-04-20 E.I. Du Pont De Nemours And Company Spinnable dopes and articles therefrom

Also Published As

Publication number Publication date
CA2044407A1 (en) 1991-12-16
JPH04241111A (en) 1992-08-28
EP0472834A2 (en) 1992-03-04

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