ES8104207A1 - Procedimiento para la obtencion de diisocianatos conteniendoazufre - Google Patents

Procedimiento para la obtencion de diisocianatos conteniendoazufre

Info

Publication number
ES8104207A1
ES8104207A1 ES490705A ES490705A ES8104207A1 ES 8104207 A1 ES8104207 A1 ES 8104207A1 ES 490705 A ES490705 A ES 490705A ES 490705 A ES490705 A ES 490705A ES 8104207 A1 ES8104207 A1 ES 8104207A1
Authority
ES
Spain
Prior art keywords
preparation
containing diisocyanates
sulphur
synthesis components
prepare polyurethanes
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
Application number
ES490705A
Other languages
English (en)
Other versions
ES490705A0 (es
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 AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES8104207A1 publication Critical patent/ES8104207A1/es
Publication of ES490705A0 publication Critical patent/ES490705A0/es
Granted 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/775—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE DIISOCIANATOS DE FORMULA (I), EN LA QUE R ES UN RADICAL ALQUILENO DE 2 A 12 ATOMOS DE CARBONO O DISTINTOS RADICALES P-FENILENO, R'' ES UNO DE VARIOS RADICALES Y N ES 0, 1 O 2. SE MEZCLAN DIAMINAS DE FORMULA (II), EN LA QUE R, R'' Y N TIENEN LOS SIGNIFICADOS ANTES INDICADOS, CON FOSGENO EN UN DISOLVENTE ADECUADO, DEPENDIENDO DEL TIPO DE AMINA, A -20G HASTA 0GC, EN UN TIEMPO DE 5-40 MINUTOS. SE CALIENTA A REFLUJO DURANTE TRES HORAS. SE EXTRAE EL FOSGENO EN EXCESO CON NITROGENO. SE CONCENTRA Y DESTILA EL PRODUCTO. ESTOS COMPUESTOS SE EMPLEAN EN LA OBTENCION DE MATERIALES SINTETICOS DE POLIURETANO. N
ES490705A 1979-04-20 1980-04-18 Procedimiento para la obtencion de diisocianatos conteniendoazufre Granted ES490705A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792916135 DE2916135A1 (de) 1979-04-20 1979-04-20 Neue, schwefelhaltige diisocyanate, ein verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethanen

Publications (2)

Publication Number Publication Date
ES8104207A1 true ES8104207A1 (es) 1981-04-16
ES490705A0 ES490705A0 (es) 1981-04-16

Family

ID=6068882

Family Applications (1)

Application Number Title Priority Date Filing Date
ES490705A Granted ES490705A0 (es) 1979-04-20 1980-04-18 Procedimiento para la obtencion de diisocianatos conteniendoazufre

Country Status (9)

Country Link
US (1) US4387057A (es)
EP (1) EP0017883B1 (es)
JP (1) JPS5643259A (es)
AT (1) ATE322T1 (es)
AU (1) AU532064B2 (es)
CA (1) CA1130304A (es)
DE (2) DE2916135A1 (es)
ES (1) ES490705A0 (es)
ZA (1) ZA802321B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904592A1 (de) * 1989-02-16 1990-08-23 Hoechst Ag Verfahren zur herstellung von (beta)-chlorethylsulfonyl-arylisocyanaten
DE4121153C2 (de) * 1991-06-26 2000-01-13 Polinvent K F T Polykieselsäure-Polyisocyanat-Werkstoffe, -Verbundmaterialien und -Schäume und ein Verfahren zu ihrer Herstellung
MY122278A (en) * 1999-07-19 2006-04-29 Upjohn Co 1,2,3,4,5,6-hexahydroazepino[4,5-b]indoles containing arylsulfones at the 9-position
US7030109B2 (en) 1999-07-19 2006-04-18 Pharmacia & Upjohn Company 1,2,3,4,5,6-Hexahydroazepino[4,5-b]indoles containing arylsulfones at the 9-position

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729666A (en) * 1952-07-21 1956-01-03 Du Pont Alkyl-aryl diisocyanates with reduced activity
US3454606A (en) * 1963-11-14 1969-07-08 Union Carbide Corp Isocyanatophenylsulfonyl isocyanates
US3330848A (en) * 1964-05-05 1967-07-11 Upjohn Co Isocyanato-substituted sulfonyl isocyanates
DE2331794A1 (de) * 1973-06-22 1975-01-16 Bayer Ag Aromatische isocyanate
DE2450083A1 (de) 1974-10-22 1976-04-29 Hoechst Ag Verfahren zur herstellung von aromatischen sulfonylisocyanaten

Also Published As

Publication number Publication date
AU532064B2 (en) 1983-09-15
ZA802321B (en) 1981-09-30
AU5760480A (en) 1980-10-23
US4387057A (en) 1983-06-07
EP0017883B1 (de) 1981-10-21
CA1130304A (en) 1982-08-24
ES490705A0 (es) 1981-04-16
DE3060042D1 (en) 1981-12-24
EP0017883A1 (de) 1980-10-29
DE2916135A1 (de) 1980-10-30
JPS5643259A (en) 1981-04-21
ATE322T1 (de) 1981-11-15

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