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
Application number
ES90107146T
Other languages
English (en)
Inventor
Gunter Pipper
Eckhard Michael Dr Koch
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2058658T3 publication Critical patent/ES2058658T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08G69/02—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).
ES90107146T 1989-04-19 1990-04-14 Procedimiento para la obtencion continua de nylon-4,6. Expired - Lifetime ES2058658T3 (es)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

Also Published As

Publication number Publication date
JPH02296825A (ja) 1990-12-07
JP2845560B2 (ja) 1999-01-13
DE3912770A1 (de) 1990-10-25
EP0393544B1 (de) 1994-09-07
DE59007022D1 (de) 1994-10-13
EP0393544A1 (de) 1990-10-24
US4994550A (en) 1991-02-19

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