ES8404978A1 - Isocianatos aromaticos halogenados. - Google Patents

Isocianatos aromaticos halogenados.

Info

Publication number
ES8404978A1
ES8404978A1 ES521539A ES521539A ES8404978A1 ES 8404978 A1 ES8404978 A1 ES 8404978A1 ES 521539 A ES521539 A ES 521539A ES 521539 A ES521539 A ES 521539A ES 8404978 A1 ES8404978 A1 ES 8404978A1
Authority
ES
Spain
Prior art keywords
halogenated aromatic
diphenyl
mixtures
aromatic isocyanates
methane structure
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
ES521539A
Other languages
English (en)
Other versions
ES521539A0 (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.)
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
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 Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Publication of ES521539A0 publication Critical patent/ES521539A0/es
Publication of ES8404978A1 publication Critical patent/ES8404978A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
    • 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
    • C08G18/773—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur halogens

Abstract

PROCEDIMIENTO PARA LA FABRICACION DE ISOCIANATOS AROMATICOS HALOGENADOS DE ESTRUCTURA DISIMETRICA DIFENILMETANO O POLIDIFENILMETANO, DE FORMULA (I), EN LA QUE X ES CL O BR; N ES 1 O 2; X ES 0, 1 O 2; Y ES 1 O 2; Y Z ES 1 O 2, SIENDO UNO DE LOS GRUPOS R1, R2, R3 O R4 UN GRUPO NCO Y LOS DEMAS SON ATOMOS DE HIDROGENO.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE CONDENSA UN CLORURO DE BENCILO HALOGENADO CON TOLUENO O XILENO, PARA OBTENER UN COMPUESTO DE FORMULA (II); SEGUNDA, SE SOMETE A NITRACION EL PRODUCTO OBTENIDO EN LA ETAPA ANTERIOR;Y POR ULTIMO, SE HIDROGENA EL PRODUCTO NITRADO Y A CONTINUACION SE FOSGENA.DE APLICACION EN LA FABRICACION DE POLIURETANOS Y EN PARTICULAR EN LA FABRICACION DE ESPUMAS IGNIFUGAS.
ES521539A 1982-04-16 1983-04-15 Isocianatos aromaticos halogenados. Expired ES8404978A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8206562A FR2525216B1 (fr) 1982-04-16 1982-04-16 Isocyanates aromatiques halogenes, ou leurs melanges, a structure diphenylmethane et leur procede de fabrication

Publications (2)

Publication Number Publication Date
ES521539A0 ES521539A0 (es) 1984-05-16
ES8404978A1 true ES8404978A1 (es) 1984-05-16

Family

ID=9273076

Family Applications (1)

Application Number Title Priority Date Filing Date
ES521539A Expired ES8404978A1 (es) 1982-04-16 1983-04-15 Isocianatos aromaticos halogenados.

Country Status (9)

Country Link
EP (1) EP0092454B1 (es)
JP (1) JPS58189150A (es)
AT (1) ATE16699T1 (es)
DE (1) DE3361328D1 (es)
DK (1) DK166283A (es)
ES (1) ES8404978A1 (es)
FR (1) FR2525216B1 (es)
NO (1) NO156407C (es)
PT (1) PT76541B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545083B1 (fr) * 1983-04-29 1987-07-17 Ugine Kuhlmann Composition liquide, contenant des diisocyanates a structure diphenylmethane, et son procede de fabrication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1080739A (en) * 1963-09-19 1967-08-23 Monsanto Co Isocyanates containing tertiary-alkyl groups
US3904666A (en) * 1973-11-15 1975-09-09 Olin Corp Tetraisocyanate compositions
DE2935318A1 (de) * 1979-08-31 1981-03-26 Bayer Ag, 51373 Leverkusen Neue diisocyanate bzw. diisocyanatgemische der diphenylmethanreihe, verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen nach dem isocyanat-polyadditionsverfahren
DE3032358A1 (de) * 1980-08-28 1982-04-08 Bayer Ag, 5090 Leverkusen Neue polyisocyanate bzw. polyisocyanatgemische der diphenylmethanreihe, verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen nach dem isocyanat-polyadditionsverfahren

Also Published As

Publication number Publication date
FR2525216A1 (fr) 1983-10-21
ES521539A0 (es) 1984-05-16
EP0092454A1 (fr) 1983-10-26
DK166283D0 (da) 1983-04-15
DK166283A (da) 1983-10-17
NO156407B (no) 1987-06-09
JPS58189150A (ja) 1983-11-04
NO156407C (no) 1987-09-16
EP0092454B1 (fr) 1985-11-27
NO831334L (no) 1983-10-17
FR2525216B1 (fr) 1985-10-25
PT76541A (fr) 1983-05-01
DE3361328D1 (en) 1986-01-09
PT76541B (fr) 1985-12-09
ATE16699T1 (de) 1985-12-15

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