FR2441637A1 - Procede et additifs pour diminuer la teneur en amines aromatiques nocives dans les mousses de polyurethanne - Google Patents

Procede et additifs pour diminuer la teneur en amines aromatiques nocives dans les mousses de polyurethanne

Info

Publication number
FR2441637A1
FR2441637A1 FR7928489A FR7928489A FR2441637A1 FR 2441637 A1 FR2441637 A1 FR 2441637A1 FR 7928489 A FR7928489 A FR 7928489A FR 7928489 A FR7928489 A FR 7928489A FR 2441637 A1 FR2441637 A1 FR 2441637A1
Authority
FR
France
Prior art keywords
additives
hydrogen
aromatic amines
polyurethane foams
content
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.)
Granted
Application number
FR7928489A
Other languages
English (en)
Other versions
FR2441637B1 (fr
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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
Priority claimed from US05/962,542 external-priority patent/US4211847A/en
Priority claimed from US05/962,543 external-priority patent/US4510097A/en
Application filed by WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2441637A1 publication Critical patent/FR2441637A1/fr
Application granted granted Critical
Publication of FR2441637B1 publication Critical patent/FR2441637B1/fr
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
    • C08G18/71—Monoisocyanates or monoisothiocyanates
    • 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
    • C08G18/08—Processes
    • C08G18/14—Manufacture of cellular products

Abstract

PROCEDE ET ADDITIFS POUR FORMER DES MOUSSES DE POLYURETHANNE A TENEUR AMOINDRIE EN AMINES AROMATIQUES NOCIVES. ON UTILISE AVEC LES REACTIFS SERVANT A LA FORMATION DES MOUSSES UN ADDITIF CONSISTANT EN UN MONOISOCYANATE CYCLOALIPHATIQUE OBJET D'UN EMPECHEMENT STERIQUE QUI REPOND A LA FORMULE GENERALE: (CF DESSIN DANS BOPI) DANS LAQUELLE R, R, R, R, R ET R REPRESENTENT CHACUN, INDEPENDAMMENT LES UNS DES AUTRES, UN ATOME D'HYDROGENE, UN GROUPE ALKYLE EN C-C, CYCLOALKYLE EN C-C, ARYLE EN C-C, ALKYLARYLE OU ARALKYLE, AVEC LES CONDITIONS SUPPLEMENTAIRES QUE LORSQUE R A UNE SIGNIFICATION AUTRE QUE L'HYDROGENE, R, R, R ET R PEUVENT REPRESENTER L'HYDROGENE ET QUE LORSQUE R REPRESENTE L'HYDROGENE, AU MOINS DEUX DES SYMBOLES R, R, R ET R ONT DES SIGNIFICATIONS AUTRES QUE L'HYDROGENE, ET X EST UN NOMBRE DE 1 A 7, EN TANT QU'ADDITIF BLOQUANT LES AMINES AROMATIQUES, LE MELANGE CONTENANT DE 0,4 A 1000MOLES D'EAU PAR EQUIVALENT DE GROUPES NCO, ET ON LAISSE LE MELANGE REAGIR.
FR7928489A 1978-11-20 1979-11-19 Procede et additifs pour diminuer la teneur en amines aromatiques nocives dans les mousses de polyurethanne Granted FR2441637A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/962,542 US4211847A (en) 1976-09-29 1978-11-20 Polyurethane foams and foam forming compositions containing amine scavengers
US05/962,543 US4510097A (en) 1978-11-20 1978-11-20 Hindered aliphatic monoisocyanates

Publications (2)

Publication Number Publication Date
FR2441637A1 true FR2441637A1 (fr) 1980-06-13
FR2441637B1 FR2441637B1 (fr) 1984-10-26

Family

ID=27130442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928489A Granted FR2441637A1 (fr) 1978-11-20 1979-11-19 Procede et additifs pour diminuer la teneur en amines aromatiques nocives dans les mousses de polyurethanne

Country Status (3)

Country Link
DE (1) DE2946625A1 (fr)
FR (1) FR2441637A1 (fr)
GB (2) GB2064538B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043182A1 (fr) * 1980-06-02 1982-01-06 Uss Engineers And Consultants, Inc. Composition d'huile lubrifiante et procédé pour le formage des métaux

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9108552D0 (en) * 1991-04-22 1991-06-05 Shell Int Research A process for preparing soft,flexible water-blown foams,and soft,flexible water-blown foams so prepared
DE19928676A1 (de) 1999-06-23 2000-12-28 Basf Ag Polyisocyanat-Polyadditionsprodukte

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1416080A (fr) * 1963-11-26 1965-10-29 Mobay Chemical Corp Matières plastiques de polyuréthane et leur procédé de préparation à partir de nouveaux polyisocyanates d'alkyl inférieur cyclohexylène, obtenues à partir des polyamines correspondantes
FR2366320A1 (fr) * 1976-09-29 1978-04-28 Grace W R Ltd Procede de preparation de mousses polyurethanne permeables au fluide contenant des petites quantites d'amines aromatiques pouvant exsuder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1416080A (fr) * 1963-11-26 1965-10-29 Mobay Chemical Corp Matières plastiques de polyuréthane et leur procédé de préparation à partir de nouveaux polyisocyanates d'alkyl inférieur cyclohexylène, obtenues à partir des polyamines correspondantes
FR2366320A1 (fr) * 1976-09-29 1978-04-28 Grace W R Ltd Procede de preparation de mousses polyurethanne permeables au fluide contenant des petites quantites d'amines aromatiques pouvant exsuder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043182A1 (fr) * 1980-06-02 1982-01-06 Uss Engineers And Consultants, Inc. Composition d'huile lubrifiante et procédé pour le formage des métaux

Also Published As

Publication number Publication date
GB2064538A (en) 1981-06-17
DE2946625C2 (fr) 1992-08-20
GB2038855B (en) 1982-12-22
GB2038855A (en) 1980-07-30
DE2946625A1 (de) 1980-05-29
FR2441637B1 (fr) 1984-10-26
GB2064538B (en) 1983-01-12

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse