FR2306197A1 - Procede de transformation des groupes isocyanato presents dans un isocyanate organique purifie en des groupes carbodiimides - Google Patents

Procede de transformation des groupes isocyanato presents dans un isocyanate organique purifie en des groupes carbodiimides

Info

Publication number
FR2306197A1
FR2306197A1 FR7609651A FR7609651A FR2306197A1 FR 2306197 A1 FR2306197 A1 FR 2306197A1 FR 7609651 A FR7609651 A FR 7609651A FR 7609651 A FR7609651 A FR 7609651A FR 2306197 A1 FR2306197 A1 FR 2306197A1
Authority
FR
France
Prior art keywords
transformation
organic isocyanate
groups
purified organic
isocyanato
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
FR7609651A
Other languages
English (en)
Other versions
FR2306197B1 (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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of FR2306197A1 publication Critical patent/FR2306197A1/fr
Application granted granted Critical
Publication of FR2306197B1 publication Critical patent/FR2306197B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D229/00Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C267/00Carbodiimides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/79Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/901Cellular polymer containing a carbodiimide structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
FR7609651A 1975-04-03 1976-04-02 Procede de transformation des groupes isocyanato presents dans un isocyanate organique purifie en des groupes carbodiimides Granted FR2306197A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB1365775 1975-04-03
GB1365675A GB1476088A (en) 1975-04-03 1975-04-03 Carbodiimides
GB1365875 1975-04-03
GB1365975 1975-04-03
GB1564975 1975-04-16
GB4496575 1975-10-30

Publications (2)

Publication Number Publication Date
FR2306197A1 true FR2306197A1 (fr) 1976-10-29
FR2306197B1 FR2306197B1 (fr) 1980-03-07

Family

ID=27546658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7609651A Granted FR2306197A1 (fr) 1975-04-03 1976-04-02 Procede de transformation des groupes isocyanato presents dans un isocyanate organique purifie en des groupes carbodiimides

Country Status (8)

Country Link
US (1) US4014935A (fr)
JP (1) JPS51122023A (fr)
BE (1) BE840307A (fr)
DE (1) DE2614323C2 (fr)
FR (1) FR2306197A1 (fr)
GB (1) GB1476088A (fr)
IT (1) IT1058700B (fr)
NL (1) NL7603448A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322129A1 (fr) * 1975-08-23 1977-03-25 Bayer Ag Procede pour convertir en partie des groupes isocyanate organiques en groupes carbodiimide
FR2332260A1 (fr) * 1975-11-21 1977-06-17 Bayer Ag Polyisocyanates contenant des groupes carbodiimide et stables a la conservation, leur preparation et leur utilisation dans le preparation de resines synthetiques de polyurethannes
EP0005233A1 (fr) * 1978-05-05 1979-11-14 Mobay Chemical Corporation Procédé de préparation de diisocyanate de diphénylméthane partiellement carbodiimidisé liquide et stable au stockage et son utilisation comme composante isocyanate dans le procédé de polyaddition d'isocyanates
EP0005230A2 (fr) * 1978-05-05 1979-11-14 Bayer Ag Liant pour matières de revêtement pulvérulentes

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606419A1 (de) * 1976-02-18 1977-08-25 Basf Ag Lagerbestaendige, fluessige carbodiimidgruppen aufweisende polyisocyanate und verfahren zu ihrer herstellung
GB1584153A (en) * 1976-09-22 1981-02-04 Ici Ltd Carbodimides
US4066629A (en) * 1976-10-28 1978-01-03 Celanese Corporation Process for preparing carbodiimides utilizing a phosphonium salt catalyst
DE2837770C2 (de) * 1978-08-30 1982-11-18 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von lagerbeständigen, flüssigen, Carbodiimidgruppen aufweisenden Polyisocyanaten
JPS5690051A (en) * 1979-11-30 1981-07-21 Ici Ltd Method of converting at least part of isocyanate groups in organic isocyanate to carbodiimido groups
GB2068368B (en) * 1980-01-02 1984-04-04 Ici Ltd Isocyanate compositions
US4284730A (en) * 1980-02-07 1981-08-18 Basf Wyandotte Corporation Liquid carbodiimide- and uretonimine-isocyanurate-containing polyisocyanate compositions and microcellular foams made therefrom
IT1141138B (it) * 1980-12-16 1986-10-01 Montedison Spa Processo per la conversione di gruppi isocianici in gruppi carbodiimmidici e/o uretoniminici
JPS5986620A (ja) * 1982-11-08 1984-05-18 Toyo Tire & Rubber Co Ltd 吸水性の低いウレタン配合組成物
US4490301A (en) * 1983-09-30 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4490300A (en) * 1983-09-30 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4490302A (en) * 1983-11-25 1984-12-25 Mobay Chemical Corporation Liquid diphenylmethane diisocyanate compositions
US4604210A (en) * 1985-04-25 1986-08-05 The Dow Chemical Company Method for removing cyclic phosphorus contaminants from organic substrates
US4910333A (en) * 1987-06-03 1990-03-20 Mobay Corporation Liquid diphenylmethane diisocyanate compositions
US4883909A (en) * 1988-05-11 1989-11-28 Mobay Corporation Liquid diphenylmetane diisocyanate compositions
GB8902228D0 (en) * 1989-02-01 1989-03-22 Ici Plc Carbodiimide-isocyanurate rigid foams
US5043472A (en) * 1989-12-21 1991-08-27 Mobay Corporation Storage stable solid isocyanate compositions, preparation, and method of use thereof
US5109034A (en) * 1989-12-21 1992-04-28 Miles Inc. Storage stable solid isocyanate compositions, preparation, and method of use thereof
DE4117384A1 (de) * 1991-05-28 1992-12-03 Bayer Ag Verfahren zur herstellung fluessiger, lagerstabiler carbodiimid- und/oder uretonimingruppen aufweisender organischer isocyanate und ihre verwendung zur herstellung von polyurethankunststoffen
DE4217525A1 (de) * 1992-05-27 1993-12-02 Bayer Ag Verfahren zur Standardisierung und Stabilisierung von organischen Polyisocyanaten und ihre Verwendung
JP3188959B2 (ja) * 1992-08-10 2001-07-16 日清紡績株式会社 ポリカルボジイミド樹脂の製造方法
DE4302697A1 (de) * 1993-02-01 1994-08-04 Bayer Ag Verfahren zur Herstellung organischer Carbodiimide und ihre Verwendung als Kunststoff-Stabilisatoren
US5288899A (en) * 1993-06-30 1994-02-22 Miles Inc. Liquification of diphenylmethane diisocyanate by partially reacting the isocyanate groups with blocking agents
US5350778A (en) * 1993-10-28 1994-09-27 Miles Inc. Polyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process
CA2117741A1 (fr) * 1993-10-28 1995-04-29 Michael F. Hurley Methode rim dans laquelle on utilise des isocyanates a base de diisocyanate de 2,4'- et de 4,4'-4,4'- diphenylmethane
CA2117740A1 (fr) * 1993-10-28 1995-04-29 Michael F. Hurley Polyisocyanate a base de diisocyanates de 4,4'- et de 2,4'-diphenylmethane et leur utilisation dans une methode rim
DE4403233A1 (de) * 1994-02-03 1995-08-10 Bayer Ag Oberhalb 5 DEG C flüssige Polyisocyanatmischungen
US6482913B1 (en) 2000-02-07 2002-11-19 Bayer Aktiengesellschaft Liquid MDI adducts wtih improved freeze stability
US6242556B1 (en) 2000-02-07 2001-06-05 Bayer Corporation Liquid MDI adducts with improved freeze stability
US6362247B1 (en) 2000-05-08 2002-03-26 Rohm And Haas Company Method of improving stability of aromatic polycarbodiimides
CA2416126C (fr) 2000-07-28 2011-07-05 Anika Therapeutics, Inc. Composites bioabsorbables d'acide hyaluronique derive
US6376567B1 (en) 2000-12-07 2002-04-23 Bayer Corporation Polyisocyanate compositions and a process for the production of low-density flexible foams with low humid aged compression sets from these polyisocyanate compositions
ATE312076T1 (de) 2001-02-22 2005-12-15 Anika Therapeutics Inc Thiol-modifizierte hyaluronan-derivate
US8124120B2 (en) 2003-12-22 2012-02-28 Anika Therapeutics, Inc. Crosslinked hyaluronic acid compositions for tissue augmentation
US7030274B2 (en) * 2004-06-17 2006-04-18 Bayer Materialscience Llc Process for the production of carbodiimide modified organic isocyanates
DE102005004856A1 (de) * 2005-02-01 2006-08-03 Basf Ag Fliessfähige Polyester mit Carbodilmid-Stabilisatoren
EP1904548A1 (fr) * 2005-07-07 2008-04-02 Huntsman International Llc Procede de production d'une composition de polyisocyanate liquide stable au stockage et incolore possedant des groupes carbodiimide et/ou uretonimine
US20070202084A1 (en) 2005-12-14 2007-08-30 Anika Therapeutics, Inc. Bioabsorbable implant of hyaluronic acid derivative for treatment of osteochondral and chondral defects
US7790907B2 (en) * 2006-07-21 2010-09-07 Basf Corporation Method of producing a uretonimine-modified isocyanate composition
US20080085987A1 (en) * 2006-10-05 2008-04-10 Thomas Savino Method of producing a uretonimine-modified isocyanate composition
JP5041794B2 (ja) * 2006-12-07 2012-10-03 住化バイエルウレタン株式会社 変性ポリイソシアネートの製造方法
US20090156777A1 (en) 2007-12-17 2009-06-18 Nodelman Neil H Freeze-stable aromatic diisocyanates and processes for the preparation of these freeze-stable products
ES2655592T3 (es) * 2010-03-29 2018-02-20 Evonik Corporation Composiciones y métodos para la retención mejorada de una composición farmacéutica en un sitio de administración local
MX2012010322A (es) 2010-03-30 2012-09-28 Huntsman Int Llc Metodo para producir una composicion de isocianato modificado con uretonimina.
HUP1400402A2 (hu) * 2014-08-29 2016-03-29 Borsodchem Zrt Eljárás világos színû, stabilan tárolható uretonimin modifikált poliizocianát elõállítására
US10633476B2 (en) * 2015-02-26 2020-04-28 Covestro Deutschland Ag Method for producing a composition comprising polycarbodiimide having improved storage stability
KR20190009303A (ko) 2016-04-27 2019-01-28 아니카 테라퓨틱스, 인코포레이티드 건 퇴행의 치료에 사용하기 위한 조성물
BR112021015332A2 (pt) 2019-02-07 2021-10-05 Dow Global Technologies Llc Processo de fabricação de mdi e/ou mdi polimérico, e, método para converter um isocianato de fenila em n,n'-difenilcarbodiimida
WO2020185373A1 (fr) 2019-03-11 2020-09-17 Dow Global Technologies Llc Agents de soutènement revêtus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2200273A1 (fr) * 1972-09-16 1974-04-19 Bayer Ag
FR2299353A1 (fr) * 1975-02-01 1976-08-27 Bayer Ag Polyisocyanates a groupes carbodiimide stables au stockage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012601B (de) * 1955-06-24 1957-07-25 Bayer Ag Verfahren zur Herstellung von Additionsverbindungen
US2840589A (en) * 1957-06-14 1958-06-24 Du Pont Di(3-isocyanato-4-methylphenyl) carbodiimide
US3056835A (en) * 1961-07-24 1962-10-02 Du Pont Process for the preparation of carbodimides
GB1356851A (en) * 1971-06-11 1974-06-19 Ici Ltd Isocyanate/uretonimine compositions for polyurethanes
GB1397469A (en) * 1973-01-15 1975-06-11 Ici Ltd Process for converting isocyanate groups to carbodiimide groups

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2200273A1 (fr) * 1972-09-16 1974-04-19 Bayer Ag
FR2299353A1 (fr) * 1975-02-01 1976-08-27 Bayer Ag Polyisocyanates a groupes carbodiimide stables au stockage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322129A1 (fr) * 1975-08-23 1977-03-25 Bayer Ag Procede pour convertir en partie des groupes isocyanate organiques en groupes carbodiimide
FR2332260A1 (fr) * 1975-11-21 1977-06-17 Bayer Ag Polyisocyanates contenant des groupes carbodiimide et stables a la conservation, leur preparation et leur utilisation dans le preparation de resines synthetiques de polyurethannes
EP0005233A1 (fr) * 1978-05-05 1979-11-14 Mobay Chemical Corporation Procédé de préparation de diisocyanate de diphénylméthane partiellement carbodiimidisé liquide et stable au stockage et son utilisation comme composante isocyanate dans le procédé de polyaddition d'isocyanates
EP0005230A2 (fr) * 1978-05-05 1979-11-14 Bayer Ag Liant pour matières de revêtement pulvérulentes
EP0005230A3 (en) * 1978-05-05 1979-11-28 Bayer Aktiengesellschaft Binder for pulverulent coating materials

Also Published As

Publication number Publication date
IT1058700B (it) 1982-05-10
BE840307A (fr) 1976-10-01
JPS5736906B2 (fr) 1982-08-06
GB1476088A (en) 1977-06-10
US4014935A (en) 1977-03-29
JPS51122023A (en) 1976-10-25
DE2614323C2 (de) 1982-11-18
NL7603448A (nl) 1976-10-05
DE2614323A1 (de) 1976-10-21
FR2306197B1 (fr) 1980-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse