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Withdrawn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Withdrawn legal-status Critical Current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
AU5682994A (en) * 1992-12-03 1994-06-22 Dow Chemical Company, The Method for rapid drying of a polybenzazole fiber
US5288445A (en) * 1992-12-03 1994-02-22 The Dow Chemical Company Rapid heat-treatment method for polybenzaole fiber
US5286833A (en) * 1992-12-03 1994-02-15 The Dow Chemical Company Polybenzazole fiber with ultra-high physical properties
TW257798B (en) * 1992-12-03 1995-09-21 Dow Chemical Co
US5429787A (en) * 1992-12-03 1995-07-04 The Dow Chemical Company Method for rapid drying of a polybenzazole fiber
US5296185A (en) * 1992-12-03 1994-03-22 The Dow Chemical Company Method for spinning a polybenzazole fiber
JPH10110329A (en) * 1996-10-01 1998-04-28 Toyobo Co Ltd Polybenzazole fiber and production thereof
EP2576437B1 (en) * 2010-06-01 2018-05-02 Innophos, Inc. Polyphosphoric acid compositions having a reduced 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
EP0472834A2 (en) 1992-03-04
CA2044407A1 (en) 1991-12-16
JPH04241111A (en) 1992-08-28

Similar Documents

Publication Publication Date Title
EP0475655A3 (en) Anisotropic conductive adhesive compositions
EP0485109A3 (en) Multicomponent optical devices and method of making the same
EP0410205A3 (en) Anisotropic liquid crystal polymeric films
AU7885091A (en) High melt viscosity fluoropolymer process aid
EP0297554A3 (en) Liquid-crystalline polymer composition
GB9115390D0 (en) Centrifugal upmps
EP0472834A3 (en) Anisotropic spin dopes of reduced viscosity
EP0436105A3 (en) Spinning apparatus
EP0474477A3 (en) Centrifugal pumping apparatus
EP0451268A4 (en) Spin molding apparatus
AU620690B2 (en) Draw-off device
EP0265240A3 (en) Liquid-crystalline polymer
GB9005646D0 (en) Viscosity measurement
AU628635B2 (en) Intravenous metering device
EP0427227A3 (en) Fibrous anisotropic permanent magnet and production process thereof
GB9325378D0 (en) Low viscosity polymeric mdi
GB2237751B (en) Method of decreasing black liquor viscosity
AU640187B2 (en) Rotational mold apparatus
IT1237914B (en) APPARATUS FOR THE EXTRACTION OF FIXING VEHICLES
AU5221186A (en) Spinning apparatus stop motion
IT1240038B (en) APPARATUS FOR THE PRODUCTION OF COFFEE
AU4482289A (en) Spin molding apparatus
ZA915093B (en) Yieldable prop
GB9003532D0 (en) Wind-driven spinning signs
CS8903742A1 (en) Rotor spinning device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT NL

17P Request for examination filed

Effective date: 19930407

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19940302