DE2614323C2 - Verfahren zur Umwandlung von Isocyanatgruppen in einem organischen Isocyanat in Carbodiimidgruppen - Google Patents

Verfahren zur Umwandlung von Isocyanatgruppen in einem organischen Isocyanat in Carbodiimidgruppen

Info

Publication number
DE2614323C2
DE2614323C2 DE2614323A DE2614323A DE2614323C2 DE 2614323 C2 DE2614323 C2 DE 2614323C2 DE 2614323 A DE2614323 A DE 2614323A DE 2614323 A DE2614323 A DE 2614323A DE 2614323 C2 DE2614323 C2 DE 2614323C2
Authority
DE
Germany
Prior art keywords
isocyanate
groups
catalyst
product
carbodiimide
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
DE2614323A
Other languages
German (de)
English (en)
Other versions
DE2614323A1 (de
Inventor
Arthur Manchester Lancashire Ibbotson
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 DE2614323A1 publication Critical patent/DE2614323A1/de
Application granted granted Critical
Publication of DE2614323C2 publication Critical patent/DE2614323C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C267/00—Carbodiimides
    • 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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • 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
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/901—Cellular 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)
DE2614323A 1975-04-03 1976-04-02 Verfahren zur Umwandlung von Isocyanatgruppen in einem organischen Isocyanat in Carbodiimidgruppen Expired DE2614323C2 (de)

Applications Claiming Priority (6)

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

Publications (2)

Publication Number Publication Date
DE2614323A1 DE2614323A1 (de) 1976-10-21
DE2614323C2 true DE2614323C2 (de) 1982-11-18

Family

ID=27546658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2614323A Expired DE2614323C2 (de) 1975-04-03 1976-04-02 Verfahren zur Umwandlung von Isocyanatgruppen in einem organischen Isocyanat in Carbodiimidgruppen

Country Status (8)

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

Families Citing this family (53)

* Cited by examiner, † Cited by third party
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DE2537685C2 (de) * 1975-08-23 1989-04-06 Bayer Ag, 5090 Leverkusen Verfahren zur teilweisen Carbodiimidisierung der Isocyanatgruppen von organischen Polyisocyanaten
DE2552350A1 (de) * 1975-11-21 1977-05-26 Bayer Ag Lagerstabile, carbodiimidgruppen enthaltende polyisocyanate
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
DE2819827A1 (de) * 1978-05-05 1979-11-08 Bayer Ag Pulverfoermige ueberzugsmittel
US4154752A (en) * 1978-05-05 1979-05-15 Mobay Chemical Corporation Preparation of partially carbodiimidized methylenebis (phenyl isocyanate)
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
DE3069042D1 (en) * 1980-01-02 1984-09-27 Ici Plc Modified 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
CA2117740A1 (en) * 1993-10-28 1995-04-29 Michael F. Hurley Polyisocyanate based upon 4,4'-and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process
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 (en) * 1993-10-28 1995-04-29 Michael F. Hurley Rim process utilizing isocyanates based upon 2,4'-and 4,4'- diphenylmethane diisocyanate
DE4403233A1 (de) * 1994-02-03 1995-08-10 Bayer Ag Oberhalb 5 DEG C flüssige Polyisocyanatmischungen
US6242556B1 (en) 2000-02-07 2001-06-05 Bayer Corporation Liquid MDI adducts with improved freeze stability
US6482913B1 (en) 2000-02-07 2002-11-19 Bayer Aktiengesellschaft Liquid MDI adducts wtih improved freeze stability
US6362247B1 (en) 2000-05-08 2002-03-26 Rohm And Haas Company Method of improving stability of aromatic polycarbodiimides
AU2001265400A1 (en) 2000-07-28 2002-02-13 Anika Therapeutics, Inc. Bioabsorbable composites of derivatized hyaluronic acid
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
EP1368309B2 (en) 2001-02-22 2014-10-01 Anika Therapeutics Inc. Thiol-modified hyaluronan
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
US20080200619A1 (en) * 2005-07-07 2008-08-21 Huntsman International Llc Method for Producing a Storage-Stable and Colorless Liquid Polyisocyanate Composition Possessing Carbodiimide and/or Uretonimine Groups
CA2633978A1 (en) 2005-12-14 2007-06-21 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
EP2552416B1 (en) * 2010-03-29 2017-10-25 Evonik Corporation Compositions and methods for improved retention of a pharmaceutical composition at a local administration site
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
EP3262091B1 (de) * 2015-02-26 2019-12-25 Covestro Deutschland AG Verfahren zur herstellung einer polycarbodiimide umfassenden zusammensetzung mit verbesserter lagerstabilität
CA3021764C (en) 2016-04-27 2021-01-19 Anika Therapeutics, Inc. Compositions for use in treating tendon degeneration via intra-osteotendinous injection
CN113474388B (zh) 2019-02-07 2024-03-22 陶氏环球技术有限责任公司 异氰酸苯酯转化方法
WO2020185373A1 (en) 2019-03-11 2020-09-17 Dow Global Technologies Llc Coated proppants

Family Cites Families (7)

* 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
DE2245634C3 (de) * 1972-09-16 1979-10-31 Bayer Ag, 5090 Leverkusen Neue phosphorhaltige Komplexverbindungen und ihre Verwendung als Katalysatoren bei der Herstellung von Carbodiimidgruppen aufweisenden Schaumstoffen
GB1397469A (en) * 1973-01-15 1975-06-11 Ici Ltd Process for converting isocyanate groups to carbodiimide groups
DE2504400A1 (de) * 1975-02-01 1976-08-05 Bayer Ag Lagerstabile, carbodiimidgruppen enthaltende polyisocyanate

Also Published As

Publication number Publication date
FR2306197A1 (fr) 1976-10-29
IT1058700B (it) 1982-05-10
DE2614323A1 (de) 1976-10-21
GB1476088A (en) 1977-06-10
NL7603448A (nl) 1976-10-05
JPS51122023A (en) 1976-10-25
BE840307A (fr) 1976-10-01
FR2306197B1 (enExample) 1980-03-07
US4014935A (en) 1977-03-29
JPS5736906B2 (enExample) 1982-08-06

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination