DE2757116C2 - Verfahren zum Erspinnen von Fäden aus sauren Lösungen von aromatischen Polyamiden - Google Patents
Verfahren zum Erspinnen von Fäden aus sauren Lösungen von aromatischen PolyamidenInfo
- Publication number
- DE2757116C2 DE2757116C2 DE2757116A DE2757116A DE2757116C2 DE 2757116 C2 DE2757116 C2 DE 2757116C2 DE 2757116 A DE2757116 A DE 2757116A DE 2757116 A DE2757116 A DE 2757116A DE 2757116 C2 DE2757116 C2 DE 2757116C2
- Authority
- DE
- Germany
- Prior art keywords
- spinning
- air
- precipitation bath
- threads
- gas
- 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
Links
- 238000009987 spinning Methods 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 16
- 239000004760 aramid Substances 0.000 title claims description 5
- 229920003235 aromatic polyamide Polymers 0.000 title claims description 5
- 239000003929 acidic solution Substances 0.000 title claims description 4
- 239000007788 liquid Substances 0.000 claims description 25
- 238000001556 precipitation Methods 0.000 claims description 23
- 238000007664 blowing Methods 0.000 claims description 2
- 230000001112 coagulating effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
- 150000003839 salts Chemical class 0.000 description 10
- 239000002253 acid Substances 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000006386 neutralization reaction Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000002166 wet spinning Methods 0.000 description 2
- 241000160777 Hipparchia semele Species 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- 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
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
- D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/752,913 US4070431A (en) | 1976-12-21 | 1976-12-21 | Improved yarn extraction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2757116A1 DE2757116A1 (de) | 1978-06-22 |
| DE2757116C2 true DE2757116C2 (de) | 1985-02-28 |
Family
ID=25028413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2757116A Expired DE2757116C2 (de) | 1976-12-21 | 1977-12-21 | Verfahren zum Erspinnen von Fäden aus sauren Lösungen von aromatischen Polyamiden |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4070431A (enExample) |
| JP (1) | JPS5838529B2 (enExample) |
| DE (1) | DE2757116C2 (enExample) |
| FR (1) | FR2375355A1 (enExample) |
| NL (1) | NL7714137A (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4298565A (en) * | 1980-02-12 | 1981-11-03 | E. I. Du Pont De Nemours And Company | Spinning process |
| US4340559A (en) * | 1980-10-31 | 1982-07-20 | E. I. Du Pont De Nemours And Company | Spinning process |
| DE3461487D1 (en) | 1983-02-28 | 1987-01-15 | Asahi Chemical Ind | Process and apparatus for preparation of polyparaphenylene terephthalamide fibers |
| JPH086203B2 (ja) * | 1986-07-03 | 1996-01-24 | 東レ株式会社 | 熱可塑性合成繊維の製造方法 |
| JP2603971B2 (ja) * | 1987-11-09 | 1997-04-23 | 旭化成工業株式会社 | 流管式湿式紡糸法 |
| US4965033A (en) * | 1990-03-26 | 1990-10-23 | E. I. Du Pont De Nemours And Company | Process for spinning high-strength, high-modulus aromatic polyamides |
| MY115308A (en) * | 1993-05-24 | 2003-05-31 | Tencel Ltd | Spinning cell |
| US7683122B2 (en) * | 2005-03-28 | 2010-03-23 | E. I. Du Pont De Nemours And Company | Processes for increasing polymer inherent viscosity |
| WO2006105227A1 (en) | 2005-03-28 | 2006-10-05 | E. I. Du Pont De Nemours And Company | Thermal processes for increasing polyareneazole inherent viscosities |
| EP1871933B1 (en) * | 2005-03-28 | 2011-01-12 | Magellan Systems International, Inc. | Fusion-free hydrolysis of polyphosphoric acid in spun multifilament yarns |
| ATE495286T1 (de) * | 2005-03-28 | 2011-01-15 | Du Pont | Verfahren zur hydrolyse von polyphosphorsäure in polyareneazolfasern |
| WO2006135470A2 (en) * | 2005-03-28 | 2006-12-21 | E.I. Du Pont De Nemours And Company | Process for the production of polyarenazole yarn |
| CN101238164B (zh) * | 2005-03-28 | 2012-10-03 | 纳幕尔杜邦公司 | 制备聚芳并唑聚合物的方法 |
| JP4829959B2 (ja) * | 2005-03-28 | 2011-12-07 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | ペンダント型ヒドロキシル基とカチオンを有するポリアレーンアゾール重合体繊維 |
| WO2006105076A2 (en) * | 2005-03-28 | 2006-10-05 | E.I. Du Pont De Nemours And Company | Processes for preparing monomer complexes |
| US7906615B2 (en) | 2005-03-28 | 2011-03-15 | Magellan Systems International, Llc | Process for hydrolyzing polyphosphoric acid in a spun yarn |
| WO2006105078A1 (en) | 2005-03-28 | 2006-10-05 | E.I. Du Pont De Nemours And Company | Process for removing cations from polyareneazole fiber |
| JP4769294B2 (ja) * | 2005-03-28 | 2011-09-07 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 紡績ヤーン中のポリ燐酸に熱表面上で加水分解を受けさせる方法 |
| CN101203636B (zh) * | 2005-03-28 | 2011-10-12 | 纳幕尔杜邦公司 | 使成型制品中的多磷酸水解的方法 |
| WO2006105228A1 (en) * | 2005-03-28 | 2006-10-05 | E. I. Du Pont De Nemours And Company | High inherent viscosity polymers and fibers therefrom |
| CN101213243B (zh) * | 2005-03-28 | 2011-06-22 | 纳幕尔杜邦公司 | 使用金属粉末制备高特性粘度聚芳烃唑的方法 |
| US7888457B2 (en) | 2005-04-01 | 2011-02-15 | E. I. Du Pont De Nemours And Company | Process for removing phosphorous from a fiber or yarn |
| CA2664292A1 (en) * | 2006-10-31 | 2008-05-08 | Magellan Systems International, Llc | Process and apparatus for the production of yarn |
| EP2719801A1 (de) * | 2012-10-10 | 2014-04-16 | Aurotec GmbH | Spinnbad und Verfahren zur Verfestigung eines Formkörpers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790698A (en) * | 1953-12-09 | 1957-04-30 | American Cyanamid Co | Process of removing impurities from fresh spun polyacrylonitrile gel filaments by directing inert gas bubbles against the filaments |
| US3767756A (en) * | 1972-06-30 | 1973-10-23 | Du Pont | Dry jet wet spinning process |
| US3996321A (en) * | 1974-11-26 | 1976-12-07 | E. I. Du Pont De Nemours And Company | Level control of dry-jet wet spinning process |
| US3940955A (en) * | 1974-11-26 | 1976-03-02 | E. I. Du Pont De Nemours And Co. | Yarn extraction and washing apparatus |
-
1976
- 1976-12-21 US US05/752,913 patent/US4070431A/en not_active Expired - Lifetime
-
1977
- 1977-12-19 JP JP52151860A patent/JPS5838529B2/ja not_active Expired
- 1977-12-20 FR FR7738418A patent/FR2375355A1/fr active Granted
- 1977-12-20 NL NL7714137A patent/NL7714137A/xx not_active Application Discontinuation
- 1977-12-21 DE DE2757116A patent/DE2757116C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4070431A (en) | 1978-01-24 |
| DE2757116A1 (de) | 1978-06-22 |
| JPS5378321A (en) | 1978-07-11 |
| FR2375355B1 (enExample) | 1981-12-18 |
| NL7714137A (nl) | 1978-06-23 |
| FR2375355A1 (fr) | 1978-07-21 |
| JPS5838529B2 (ja) | 1983-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |