ES2119531T3 - Procedimiento para la reutilizacion de disoluciones acuosas de extractos que se producen en la obtencion de pa 6 o copoliamidas. - Google Patents
Procedimiento para la reutilizacion de disoluciones acuosas de extractos que se producen en la obtencion de pa 6 o copoliamidas.Info
- Publication number
- ES2119531T3 ES2119531T3 ES96107970T ES96107970T ES2119531T3 ES 2119531 T3 ES2119531 T3 ES 2119531T3 ES 96107970 T ES96107970 T ES 96107970T ES 96107970 T ES96107970 T ES 96107970T ES 2119531 T3 ES2119531 T3 ES 2119531T3
- Authority
- ES
- Spain
- Prior art keywords
- reuse
- procedure
- aqueous extract
- obtaining
- copolyamides
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
LA INVENCION TRATA DE UN PROCEDIMIENTO PARA EL RECICLADO (REUTILIZACION) DE SOLUCIONES ACUOSAS DE EXTRACTO, QUE APARECEN EN LA OBTENCION DE POLIAMIDAS. EL PROCEDIMIENTO PARA LA REUTILIZACION DE LAS SOLUCIONES ACUOSAS DE EXTRACTO QUE APARECEN CONSISTE EN QUE LA SOLUCION ACUOSA DE EXTRACTO SE CONCENTRA Y POLIMERIZA, AÑADIENDOSE A LA SOLUCION DE EXTRACTO PEQUEÑAS CANTIDADES DE ACIDOS DICARBOXILICOS O POLICARBOXILICOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19519819A DE19519819A1 (de) | 1995-05-31 | 1995-05-31 | Verfahren zur Wiederverwertung von wäßrigen Extraktlösungen, die bei der Herstellung von PA 6 oder Copolyamiden anfallen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2119531T3 true ES2119531T3 (es) | 1998-10-01 |
Family
ID=7763227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96107970T Expired - Lifetime ES2119531T3 (es) | 1995-05-31 | 1996-05-20 | Procedimiento para la reutilizacion de disoluciones acuosas de extractos que se producen en la obtencion de pa 6 o copoliamidas. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5703204A (es) |
EP (1) | EP0745631B1 (es) |
JP (1) | JPH08333449A (es) |
DE (2) | DE19519819A1 (es) |
ES (1) | ES2119531T3 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19531989A1 (de) * | 1995-08-30 | 1997-05-15 | Polymer Eng Gmbh | Verfahren zur kontinuierlichen Herstellung eines dimerarmen Polyamid 6 |
DE19752181A1 (de) * | 1997-11-25 | 1999-05-27 | Basf Ag | Verfahren zur Herstellung von Polyamiden |
DE19801267B4 (de) * | 1998-01-15 | 2005-03-24 | Inventa-Fischer Gmbh | Verfahren zur Herstellung von PA-6 Granulat und dessen Verwendung |
DE10047657B4 (de) * | 2000-09-26 | 2005-02-10 | Basf Ag | Verfahren zur Herstellung von Polycaprolactam, ein Polycaprolactam und dessen Verwendung |
DE10124580A1 (de) * | 2001-05-21 | 2002-12-05 | Bayer Ag | Verfahren zur Behandlung von Oligoamiden und zur Herstellung von Polyamid |
CN101528811B (zh) * | 2006-10-24 | 2012-01-18 | 巴斯夫欧洲公司 | 旋管蒸发器在生产聚酰胺中的应用 |
DE102008044452A1 (de) | 2008-08-19 | 2010-02-25 | Lurgi Zimmer Gmbh | Kontinuierliches Verfahren zur Extraktion von Polyamid-6 |
ES2577612T3 (es) * | 2011-06-08 | 2016-07-15 | Uhde Inventa-Fischer Gmbh | Procedimiento y dispositivo para la modificación directa, continua de masas fundidas poliméricas |
ES2582302T3 (es) | 2011-07-11 | 2016-09-12 | Uhde Inventa-Fischer Gmbh | Procedimiento para la producción de una solución acuosa de sales |
CN105669969B (zh) * | 2016-02-01 | 2018-02-09 | 东华大学 | 一种尼龙6聚合方法及其熔体直纺方法 |
CN111363141B (zh) * | 2020-02-14 | 2020-12-22 | 东华大学 | 一种绿色回用己内酰胺的连续水解聚合方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH230271A (de) * | 1941-06-18 | 1943-12-31 | Ig Farbenindustrie Ag | Verfahren zur Veredlung von Superpolyamiden auf der Grundlage von w-Aminocarbonsäuren. |
DE2501348B2 (de) * | 1975-01-15 | 1981-04-09 | Basf Ag, 6700 Ludwigshafen | Kontinuierliches Verfahren zur Herstellung von Polyamiden aus epsilon-Caprolactam |
DE2732328A1 (de) * | 1977-07-16 | 1979-02-01 | Basf Ag | Verfahren zur herstellung von polycaprolactam |
US5077381A (en) * | 1990-06-01 | 1991-12-31 | Basf Corporation | Constant compositioin recycle of nylon 6 polymerization wash water |
US5218080A (en) * | 1990-06-01 | 1993-06-08 | Basf Corporation | Constant composition recycle of nylon 6 polymerization wash water |
DE59307118D1 (de) * | 1993-01-28 | 1997-09-18 | Polymer Eng Gmbh | Verfahren und Vorrichtung zur Herstellung von Polyamid 6 aus Polyamid-Abfällen |
-
1995
- 1995-05-31 DE DE19519819A patent/DE19519819A1/de not_active Withdrawn
-
1996
- 1996-05-20 US US08/650,384 patent/US5703204A/en not_active Expired - Fee Related
- 1996-05-20 ES ES96107970T patent/ES2119531T3/es not_active Expired - Lifetime
- 1996-05-20 EP EP96107970A patent/EP0745631B1/de not_active Expired - Lifetime
- 1996-05-20 DE DE59600398T patent/DE59600398D1/de not_active Expired - Fee Related
- 1996-05-24 JP JP8151876A patent/JPH08333449A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE59600398D1 (de) | 1998-09-10 |
EP0745631B1 (de) | 1998-08-05 |
EP0745631A1 (de) | 1996-12-04 |
US5703204A (en) | 1997-12-30 |
DE19519819A1 (de) | 1996-12-05 |
JPH08333449A (ja) | 1996-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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