EP0472834A3 - Anisotropic spin dopes of reduced viscosity - Google Patents
Anisotropic spin dopes of reduced viscosity Download PDFInfo
- 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- Withdrawn
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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/74—Monocomponent 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)
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EP19910109761 Withdrawn EP0472834A3 (en) | 1990-06-15 | 1991-06-14 | Anisotropic spin dopes of reduced viscosity |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)
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)
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 |
-
1991
- 1991-06-12 CA CA 2044407 patent/CA2044407A1/en not_active Abandoned
- 1991-06-13 JP JP16741691A patent/JPH04241111A/en active Pending
- 1991-06-14 EP EP19910109761 patent/EP0472834A3/en not_active Withdrawn
Patent Citations (4)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0258898A3 (en) | Liquid-crystalline polymer | |
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 | |
EP0472834A3 (en) | Anisotropic spin dopes of reduced viscosity | |
EP0472075A3 (en) | Process for the preparation of polysaccharides | |
EP0474477A3 (en) | Centrifugal pumping apparatus | |
ZA91851B (en) | Stabilized polymer latex composition | |
EP0265240A3 (en) | Liquid-crystalline polymer | |
AU620690B2 (en) | Draw-off device | |
GB9005646D0 (en) | Viscosity measurement | |
EP0693518A3 (en) | Readily processable polyimide and preparation process of the same | |
AU6199490A (en) | Intravenous metering device | |
EP0427227A3 (en) | Fibrous anisotropic permanent magnet and production process thereof | |
GB9325378D0 (en) | Low viscosity polymeric mdi | |
CS248590A3 (en) | Draw-off device | |
GB9006549D0 (en) | Cross-linkable adhesive composition | |
GB8924820D0 (en) | Method of decreasing black liquor viscosity | |
AU640187B2 (en) | Rotational mold apparatus | |
AU572379B2 (en) | Spinning apparatus stop motion | |
IT1237914B (en) | APPARATUS FOR THE EXTRACTION OF FIXING VEHICLES | |
GB9024433D0 (en) | Phenyl-napthalenes having liquid crystalline properties | |
IT1240038B (en) | APPARATUS FOR THE PRODUCTION OF COFFEE | |
AU4482289A (en) | Spin molding apparatus | |
GB9003532D0 (en) | Wind-driven spinning signs |
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 |