ES2058658T3 - Procedimiento para la obtencion continua de nylon-4,6. - Google Patents
Procedimiento para la obtencion continua de nylon-4,6.Info
- Publication number
- ES2058658T3 ES2058658T3 ES90107146T ES90107146T ES2058658T3 ES 2058658 T3 ES2058658 T3 ES 2058658T3 ES 90107146 T ES90107146 T ES 90107146T ES 90107146 T ES90107146 T ES 90107146T ES 2058658 T3 ES2058658 T3 ES 2058658T3
- Authority
- ES
- Spain
- Prior art keywords
- polymer
- procedure
- steam phase
- phase
- diaminobutane
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 229920003189 Nylon 4,6 Polymers 0.000 title 1
- 229920000642 polymer Polymers 0.000 abstract 4
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 abstract 4
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 abstract 3
- 239000005700 Putrescine Substances 0.000 abstract 2
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 abstract 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 abstract 2
- 229960000250 adipic acid Drugs 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
- 230000008016 vaporization Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- C08G69/02—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDIMIENTO PARA LA PRODUCCION CONTINUA DE POLITETRAMETILENADIPAMIDA, QUE CONSISTE EN A) LA SOLUCION ACUOSA DE LA SAL FORMADA A PARTIR DEL 1,4-DIAMINOBUTANO Y DEL ACIDO ADIPINICO SE CALIENTA AL MISMO TIEMPO QUE SE EVAPORA EL AGUA, FORMANDO UNA FASE DE VAPOR Y UN PREPOLIMERO FUNDIDO, B) EL PREPOLIMERO Y LA FASE DE VAPOR SE HACE PASAR, BAJO AGITACION, POR UNA ZONA DE INTERCAMBIO DE MATERIAL, DISPUESTA INMEDIATAMENTE A CONTINUACION Y PROVISTA DE UNOS MONTAJES, C) EN UNA DE LAS ZONAS SE SEPARA LA FASE DE VAPOR DEL POLIMERO, EXTRAYENDOSE EL POLIMERO EN FORMA DE CALDO FUNDIDO CAPAZ DE GRANULACION, TENIENDO CUIDADO QUE EL TIEMPO DE PERMANENCIA DEL CALDO EN LAS ETAPAS A), B) Y C) SEA MENOR A 5 MINUTOS, Y D) DE LA FASE DE VAPOR PROCEDENTE DE LA ETAPA C) SE SEPARA POR DESTILACION PIRROLIDINA Y EL 1,4-DIAMINOBUTANO SE RECICLA A LA ETAPA DE VAPORIZACION A).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3912770A DE3912770A1 (de) | 1989-04-19 | 1989-04-19 | Verfahren zur kontinuierlichen herstellung von nylon-4,6 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2058658T3 true ES2058658T3 (es) | 1994-11-01 |
Family
ID=6378948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90107146T Expired - Lifetime ES2058658T3 (es) | 1989-04-19 | 1990-04-14 | Procedimiento para la obtencion continua de nylon-4,6. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4994550A (es) |
| EP (1) | EP0393544B1 (es) |
| JP (1) | JP2845560B2 (es) |
| DE (2) | DE3912770A1 (es) |
| ES (1) | ES2058658T3 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831108A (en) * | 1983-02-16 | 1989-05-16 | Amoco Corporation | Polycondensation process with mean dispersion residence time |
| US5004280A (en) * | 1989-03-03 | 1991-04-02 | Itt Corporation | Variable power drive for sliding door |
| US5332778A (en) * | 1990-08-21 | 1994-07-26 | Basf Aktiengesellschaft | Production of reinforced polytetramethyleneadipamide |
| NL9101606A (nl) * | 1991-09-24 | 1993-04-16 | Dsm Nv | Werkwijze voor de bereiding van polytetramethyleenadipamides. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3321579A1 (de) * | 1983-06-15 | 1984-12-20 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen herstellung von polyamiden |
| DE3321581A1 (de) * | 1983-06-15 | 1984-12-20 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen herstellung von polyamiden |
| NL8401271A (nl) * | 1984-04-19 | 1985-11-18 | Stamicarbon | Werkwijze voor het bereiden van polytetramethyleenadipamide. |
| DE3526931A1 (de) * | 1985-07-27 | 1987-02-05 | Bayer Ag | Verfahren zur herstellung von poly(tetramethylenadipamid) |
-
1989
- 1989-04-19 DE DE3912770A patent/DE3912770A1/de not_active Withdrawn
-
1990
- 1990-03-16 US US07/494,402 patent/US4994550A/en not_active Expired - Lifetime
- 1990-04-09 JP JP2092368A patent/JP2845560B2/ja not_active Expired - Fee Related
- 1990-04-14 EP EP90107146A patent/EP0393544B1/de not_active Expired - Lifetime
- 1990-04-14 ES ES90107146T patent/ES2058658T3/es not_active Expired - Lifetime
- 1990-04-14 DE DE59007022T patent/DE59007022D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3912770A1 (de) | 1990-10-25 |
| JP2845560B2 (ja) | 1999-01-13 |
| DE59007022D1 (de) | 1994-10-13 |
| EP0393544B1 (de) | 1994-09-07 |
| JPH02296825A (ja) | 1990-12-07 |
| US4994550A (en) | 1991-02-19 |
| EP0393544A1 (de) | 1990-10-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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