ES2058036A6 - Procedimiento para destilar concentrados brutos de isocianato. - Google Patents

Procedimiento para destilar concentrados brutos de isocianato.

Info

Publication number
ES2058036A6
ES2058036A6 ES09050012A ES9050012A ES2058036A6 ES 2058036 A6 ES2058036 A6 ES 2058036A6 ES 09050012 A ES09050012 A ES 09050012A ES 9050012 A ES9050012 A ES 9050012A ES 2058036 A6 ES2058036 A6 ES 2058036A6
Authority
ES
Spain
Prior art keywords
isocyanate
residue
liquid
distillation
mixture
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
ES09050012A
Other languages
English (en)
Inventor
Stephen A Dibiase
Larry W Arndt
Gregory M Stansfield
Louis A Renbaum
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.)
Bayer Corp
Lubrizol Corp
Original Assignee
Lubrizol Corp
Mobay Corp
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 Lubrizol Corp, Mobay Corp filed Critical Lubrizol Corp
Publication of ES2058036A6 publication Critical patent/ES2058036A6/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

PROCEDIMIENTO PARA DESTILAR CONCENTRADOS BRUTOS DE ISOCIANATO. COMPRENDE: (A) PREPARAR UNA MEZCLA DE (A-1) UN CONCENTRADO DE ISOCIANATO PROCEDENTE DE LA PRODUCCION DE ISOCIANATOS CONTENIENDO UN MONOMERO DE ISOCIANATO VOLATIL Y SUBPRODUCTOS DE REACCION Y (A-2) UNA SOLUCION OLEOSA CONSTITUIDA POR UNA CANTIDAD MAYORITARIA DE UN ACEITE HIDROCARBONADO Y UNA CANTIDAD MINORITARIA DE AL MENOS UN DISPERSANTE SIN CENIZAS; Y (B) CALENTAR LA MEZCLA A UNA TEMPERATURA ELEVADA PARA DESTILAR Y RECUPERAR EL MONOMERO DE ISOCIANATO QUEDANDO UN RESIDUO LIQUIDO. EL PROCEDIMIENTO TIENE SU PRINCIPAL APLICACION EN LA RECUPERACION DE MONOMEROS DE ISOCIANATO DE ALTA PUREZA CON BUEN RENDIMIENTO A PARTIR DE CONCENTRADOS BRUTOS DE ISOCIANATO PROCEDENTES DE SUS PROCESOS DE PRODUCCION.
ES09050012A 1989-03-03 1990-02-21 Procedimiento para destilar concentrados brutos de isocianato. Expired - Lifetime ES2058036A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31901189A 1989-03-03 1989-03-03

Publications (1)

Publication Number Publication Date
ES2058036A6 true ES2058036A6 (es) 1994-10-16

Family

ID=23240506

Family Applications (2)

Application Number Title Priority Date Filing Date
ES09050012A Expired - Lifetime ES2058036A6 (es) 1989-03-03 1990-02-21 Procedimiento para destilar concentrados brutos de isocianato.
ES90903649T Expired - Lifetime ES2073021T3 (es) 1989-03-03 1990-02-21 Un procedimiento para la destilacion de concentrados de isocianatos brutos.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES90903649T Expired - Lifetime ES2073021T3 (es) 1989-03-03 1990-02-21 Un procedimiento para la destilacion de concentrados de isocianatos brutos.

Country Status (12)

Country Link
EP (1) EP0425596B1 (es)
JP (1) JP3001970B2 (es)
KR (1) KR920700195A (es)
AT (1) ATE122336T1 (es)
AU (1) AU638000B2 (es)
BR (1) BR9005679A (es)
CA (1) CA2028819A1 (es)
DE (1) DE69019295T2 (es)
ES (2) ES2058036A6 (es)
MX (1) MX173725B (es)
NO (1) NO173987C (es)
WO (1) WO1990009990A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4142769A1 (de) * 1991-12-23 1993-06-24 Bayer Hispania Ind S A Verfahren zur herstellung von isocyanaten und aufarbeitung des rueckstandes
CN114605288B (zh) * 2020-12-03 2024-02-02 万华化学集团股份有限公司 一种异氰酸酯聚合物的高效分离回收工艺及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810681A (en) * 1956-08-17 1957-10-22 Du Pont Chemical process
US2884359A (en) * 1956-10-31 1959-04-28 Gen Aniline & Film Corp Recovery of organic isocyanates
CA998060A (en) * 1970-05-22 1976-10-05 Carl F. Irwin Recovery of organic isocyanate
DE2846814A1 (de) * 1978-10-27 1980-05-08 Bayer Ag Suspensionen von isocyanat-destillationsrueckstaenden in polyolen
DE2846815A1 (de) * 1978-10-27 1980-05-08 Ayer Ag Verfahren zur aufarbeitung von isocyanat-destillationsrueckstaenden
US4234435A (en) * 1979-02-23 1980-11-18 The Lubrizol Corporation Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation

Also Published As

Publication number Publication date
JPH03505217A (ja) 1991-11-14
AU5150990A (en) 1990-09-26
EP0425596A1 (en) 1991-05-08
NO904785L (no) 1990-11-02
MX173725B (es) 1994-03-23
ES2073021T3 (es) 1995-08-01
WO1990009990A1 (en) 1990-09-07
EP0425596B1 (en) 1995-05-10
NO173987B (no) 1993-11-22
CA2028819A1 (en) 1990-09-04
NO904785D0 (no) 1990-11-02
BR9005679A (pt) 1991-08-06
JP3001970B2 (ja) 2000-01-24
ATE122336T1 (de) 1995-05-15
AU638000B2 (en) 1993-06-17
DE69019295D1 (de) 1995-06-14
DE69019295T2 (de) 1995-11-02
KR920700195A (ko) 1992-02-19
NO173987C (no) 1994-03-02

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Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 19950425