ES2107922T3 - Procedimiento para la fabricacion de uretdionas (ciclo)alifaticas con una calidad mejorada del color. - Google Patents

Procedimiento para la fabricacion de uretdionas (ciclo)alifaticas con una calidad mejorada del color.

Info

Publication number
ES2107922T3
ES2107922T3 ES96101010T ES96101010T ES2107922T3 ES 2107922 T3 ES2107922 T3 ES 2107922T3 ES 96101010 T ES96101010 T ES 96101010T ES 96101010 T ES96101010 T ES 96101010T ES 2107922 T3 ES2107922 T3 ES 2107922T3
Authority
ES
Spain
Prior art keywords
aliphatic
uretdionas
cycle
procedure
manufacture
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
ES96101010T
Other languages
English (en)
Inventor
Felix Dr Schmitt
Wolf Dr Elmar
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.)
Huels AG
Original Assignee
Huels AG
Chemische Werke Huels 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 Huels AG, Chemische Werke Huels AG filed Critical Huels AG
Application granted granted Critical
Publication of ES2107922T3 publication Critical patent/ES2107922T3/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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/027—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing urethodione groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D229/00—Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/50—Phosphorus bound to carbon only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE URETDIONAS (CICLO)ALIFATICAS CON MEJOR CALIDAD DE COLOR POR REACCION DE DIISOCIANATOS (CICLO)ALIFATICOS, OPCIONALMENTE EN UN DISOLVENTE INERTE, CON AYUDA DE CATALIZADORES DE 0,5 A 3 % EN PESO, DE FORMULA GENERAL I DONDE R{SUP,1} Y R{SUP,2} SON IGUALES O DIFERENTES RADICALES ALQUILO DE 1 A 8 ATOMOS DE C, O PUEDEN FORMAR UN ANILLO DE 5 A 6 ELEMENTOS CON UN ATOMO DE N UNIDO AL ANILLO, QUE EN VEZ DE UN GRUPO CH{SUB,2} PUEDE TENER UN GRUPO CH-CH{SUB,3}, UN GRUPO NCH{SUB,3} O UN ATOMO DE O, EN PRESENCIA DE COMPUESTOS DE FOSFORO DEL 0,1 AL 4 % EN PESO DE FORMULA GENERAL II, SIENDO R{SUP,4} Y R{SUP,5} RADICALES HIDROCARBONADOS AROMATICOS O ARALIFATICOS IGUALES O DIFERENTES CON 1 A 10 ATOMOS DE CARBONO, O PUEDEN SER OR{SUP,1} O OH, A UNA TEMPERATURA DE 0 A 60 C SE DIMERIZA PRIMERO DE UN 5 A 70 %, Y DESPUES LA 1,3DIAZACICLOBUTANO-2,4-DIONA OBTENIDA SE SE AISLA, SIN PREVIA DESACTIVACION DEL CATALIZADOR, COMO RESIDUO DE UNA DESTILACION EN CAPA FINA, OBTENIENDOSE EL CATALIZADOR, COMPUESTOS DE FOSFORO Y DIISOCIANATO SIN REACCIONAR COMO DESTILADO.
ES96101010T 1995-03-25 1996-01-25 Procedimiento para la fabricacion de uretdionas (ciclo)alifaticas con una calidad mejorada del color. Expired - Lifetime ES2107922T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19510956 1995-03-25

Publications (1)

Publication Number Publication Date
ES2107922T3 true ES2107922T3 (es) 1997-12-01

Family

ID=7757719

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96101010T Expired - Lifetime ES2107922T3 (es) 1995-03-25 1996-01-25 Procedimiento para la fabricacion de uretdionas (ciclo)alifaticas con una calidad mejorada del color.

Country Status (6)

Country Link
US (1) US6624301B1 (es)
EP (1) EP0735027B1 (es)
JP (1) JPH08269012A (es)
AT (1) ATE158280T1 (es)
DE (1) DE59600024D1 (es)
ES (1) ES2107922T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19701714A1 (de) * 1997-01-20 1998-07-23 Huels Chemische Werke Ag Verfahren zur Herstellung eines isocyanatfreien Uretdions des Isophorondiisocyanats
DE19735043A1 (de) * 1997-08-13 1999-02-18 Bayer Ag Verfahren zur Herstellung farbheller Uretdionpolyisocyanate
DE10123417A1 (de) 2001-05-14 2002-11-21 Bayer Ag Verfahren zur Dimerisierung von Isophorondiisocyanat
CA2491459C (en) * 2002-07-04 2012-04-03 Bayer Materialscience Ag Polyadducts containing uretdione groups
EP1732965B1 (en) * 2003-07-14 2014-02-26 Vencorex US, Inc. Improved color stability of isocyanates

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671082A (en) * 1951-09-25 1954-03-02 Du Pont Preparation of aromatic isocyanate dimers
DE2452390C2 (de) * 1974-11-05 1983-12-29 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen Herstellung von aromatischen Uretdiongruppen aufweisenden Polyisocyanaten
DE3030513A1 (de) * 1980-08-13 1982-03-18 Chemische Werke Hüls AG, 4370 Marl Verfahren zur herstellung eines isocyanuratfreien uretdions aus isophorondiisocyanat sowie das danach hergestellte uretdion
DE3432081A1 (de) * 1984-08-31 1986-03-06 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von oligomeren polyisocyanaten und ihre verwendung bei der herstellung von polyurethankunststoffen
US4825003A (en) * 1986-09-17 1989-04-25 Mitsui Toatsu Chemicals, Incorporated Production process of 2-chloropropionaldehyde
DE3739549C2 (de) * 1987-11-21 1994-10-27 Huels Chemische Werke Ag Verfahren zur Herstellung (cyclo)aliphatischer Uretdione
DE3900053A1 (de) * 1989-01-03 1990-07-12 Bayer Ag Verfahren zur herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in zweikomponenten-polyurethanlacken
DE4029809A1 (de) * 1990-09-20 1992-03-26 Bayer Ag Polyisocyanatgemisch, ein verfahren zu seiner herstellung und seine verwendung in polyurethanlacken
DE4033288A1 (de) * 1990-10-19 1992-04-23 Bayer Ag Verfahren zur herstellung von uretdion- und/oder isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in polyurethanlacken
EP0631574A4 (en) * 1992-03-16 1996-04-17 Olin Corp PRODUCTION OF ISOCYANATE DIMERS BY MEANS OF POLYMER-TIED CATALYSTS.

Also Published As

Publication number Publication date
EP0735027B1 (de) 1997-09-17
DE59600024D1 (de) 1997-10-23
ATE158280T1 (de) 1997-10-15
US6624301B1 (en) 2003-09-23
EP0735027A1 (de) 1996-10-02
JPH08269012A (ja) 1996-10-15

Similar Documents

Publication Publication Date Title
ES442044A1 (es) Un procedimiento para la preparacion de fenil-pirimidinas.
IE40298B1 (en) Substitud 1,3-dihydrospiro(isobenzofuran)s
OA04766A (fr) Dérivés de cyclohexane, leur procédé de préparation et compositions herbicides utilisant ces composés.
ES429270A1 (es) Procedimiento para la obtencion de colorantes anionicos.
ES480109A1 (es) Procedimkiento para la preparacion de derivados de imidazo- lidina.
AU548290B2 (en) Para-substituted 3-phenoxy-1-alkylamino-propan-2-01 beta receptor blocking compounds
IE42109L (en) Benzimidazole-2-carbamate derivatives.
ES2107922T3 (es) Procedimiento para la fabricacion de uretdionas (ciclo)alifaticas con una calidad mejorada del color.
ES8608502A1 (es) Procedimiento para la obtencion de benzofuranonas
ES8107216A1 (es) Procedimiento para la preparacion de sulfonilureas
SE7812194L (sv) Forfarande for framstellning av tienobensodiazepiner
DE3169348D1 (en) New substituted 3-phenoxy-1-alkoxycarbonyl-alkylamino-propanol-2-s having beta receptor blocking properties
AU8252787A (en) Process for the preparation of thienylethylamines and novel dithienylethylamines
ES430428A1 (es) Procedimiento para la preparacion de d-homo-esteroides.
AU6814387A (en) Phenylacetonitriles which are substituted by basic groups, their preparation and drugs containing these substances
SE7415643L (es)
GB1530921A (en) Desacylpepsidine and the preparation thereof
SE7505272L (sv) Nya, kvevehaltiga, polycykliska foreningar jemte sett for deras framstellning.
CH609049A5 (en) Process for the preparation of 2-aminoimidazoles
ES422089A1 (es) Procedimiento para preparar colorantes derivados de 1-feni-laminonitro-antraquinona.
DK482383A (da) Fremgangsmaade til fremstilling af et antibiotisk stof betegnet nargenicin c1
ES2095058T3 (es) Derivados del 3-azabiciclo(3.2.0)heptano substituidos como productos intermedios.
ES443288A1 (es) Procedimiento para la preparacion de penicilinas.
ES8206544A1 (es) Procedimiento para la preparacion de 4-carbamoiloxi-oxaza- fosforinas
ES427583A1 (es) Procedimiento para la obtencion de un derivado de la pira- zinoisoquinolina.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 735027

Country of ref document: ES