ES480249A1 - Procedimiento para preparar un metilenbis (fenilisocianato) liquido y estable en el almacenamiento. - Google Patents

Procedimiento para preparar un metilenbis (fenilisocianato) liquido y estable en el almacenamiento.

Info

Publication number
ES480249A1
ES480249A1 ES480249A ES480249A ES480249A1 ES 480249 A1 ES480249 A1 ES 480249A1 ES 480249 A ES480249 A ES 480249A ES 480249 A ES480249 A ES 480249A ES 480249 A1 ES480249 A1 ES 480249A1
Authority
ES
Spain
Prior art keywords
isocyanate
carbodiimidated
partly
stable
preparation
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
ES480249A
Other languages
English (en)
Spanish (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.)
WOBAY CHEMICAL CORP
Original Assignee
WOBAY CHEMICAL CORP
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 WOBAY CHEMICAL CORP filed Critical WOBAY CHEMICAL CORP
Publication of ES480249A1 publication Critical patent/ES480249A1/es
Expired 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
    • C08G18/72—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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C267/00—Carbodiimides

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)
ES480249A 1978-05-05 1979-05-04 Procedimiento para preparar un metilenbis (fenilisocianato) liquido y estable en el almacenamiento. Expired ES480249A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/903,308 US4154752A (en) 1978-05-05 1978-05-05 Preparation of partially carbodiimidized methylenebis (phenyl isocyanate)

Publications (1)

Publication Number Publication Date
ES480249A1 true ES480249A1 (es) 1980-01-16

Family

ID=25417284

Family Applications (1)

Application Number Title Priority Date Filing Date
ES480249A Expired ES480249A1 (es) 1978-05-05 1979-05-04 Procedimiento para preparar un metilenbis (fenilisocianato) liquido y estable en el almacenamiento.

Country Status (8)

Country Link
US (1) US4154752A (en])
EP (1) EP0005233B1 (en])
JP (1) JPS54148759A (en])
AT (1) AT360976B (en])
AU (1) AU524227B2 (en])
CA (1) CA1112659A (en])
DE (1) DE2967099D1 (en])
ES (1) ES480249A1 (en])

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228095A (en) * 1979-08-20 1980-10-14 Basf Wyandotte Corporation Process for the preparation of liquid carbodiimide-modified organic polyisocyanates employing organotin catalysts
US4306052A (en) * 1980-09-25 1981-12-15 The Upjohn Company Thermoplastic polyester polyurethanes
EP0057862A1 (de) * 1981-02-05 1982-08-18 Mobay Chemical Corporation Bei niedriger Temperatur lagerbeständiges, teilweise carbodiimidisiertes Methylenbis (phenylisocyanat), ein Verfahren zu seiner Herstellung und seine Verwendung als Ausgangsstoff für die Diisocyanat-Polyadditionsreaktion
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
JPS61111318A (ja) * 1984-11-06 1986-05-29 Toyobo Co Ltd 熱可塑性エラストマーの製造法
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
US4986929A (en) * 1989-08-23 1991-01-22 Mobay Corporation Novel isocyanate blends
US5109034A (en) * 1989-12-21 1992-04-28 Miles Inc. Storage stable solid isocyanate compositions, preparation, and method of use thereof
US5043472A (en) * 1989-12-21 1991-08-27 Mobay Corporation Storage stable solid isocyanate compositions, preparation, and method of use thereof
US5089534A (en) * 1990-03-23 1992-02-18 The Dow Chemical Company Process for preparing flexible polyurethane foam
EP0543535B2 (en) * 1991-11-21 1998-11-11 BP Chemicals Limited Process for dehydrogenating hydrocarbons and oxygenated hydrocarbons
US5288899A (en) * 1993-06-30 1994-02-22 Miles Inc. Liquification of diphenylmethane diisocyanate by partially reacting the isocyanate groups with blocking agents
CA2117741A1 (en) * 1993-10-28 1995-04-29 Michael F. Hurley Rim process utilizing isocyanates based upon 2,4'-and 4,4'- diphenylmethane diisocyanate
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
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
DE4403233A1 (de) * 1994-02-03 1995-08-10 Bayer Ag Oberhalb 5 DEG C flüssige Polyisocyanatmischungen
JPH0867662A (ja) * 1994-08-30 1996-03-12 Sumitomo Bayer Urethane Kk 液状のジフェニルメタンジイソシアネートの製造法
US6482913B1 (en) 2000-02-07 2002-11-19 Bayer Aktiengesellschaft Liquid MDI adducts wtih improved freeze stability
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
DE102004024205A1 (de) * 2004-05-13 2005-12-08 Basf Ag Polyurethane enthaltend Carbodiimide
DE102004051026A1 (de) * 2004-10-20 2006-04-27 Bayer Materialscience Ag Kristallisationsstabile MDI-Allophanate nach einem zweistufigen Verfahren
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
HUP1400402A2 (hu) * 2014-08-29 2016-03-29 Borsodchem Zrt Eljárás világos színû, stabilan tárolható uretonimin modifikált poliizocianát elõállítására

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152162A (en) * 1959-07-29 1964-10-06 Bayer Ag Polyisocyanate-carbodiimide adducts and process for the production thereof
BE787395A (fr) * 1971-08-13 1973-02-12 Basf Wyandotte Corp Procede de preparation de polyisocyanates
JPS5037172A (en]) * 1973-08-09 1975-04-07
DE2504400A1 (de) * 1975-02-01 1976-08-05 Bayer Ag Lagerstabile, carbodiimidgruppen enthaltende polyisocyanate
GB1476088A (en) * 1975-04-03 1977-06-10 Ici Ltd Carbodiimides
DE2537685C2 (de) * 1975-08-23 1989-04-06 Bayer Ag, 5090 Leverkusen Verfahren zur teilweisen Carbodiimidisierung der Isocyanatgruppen von organischen Polyisocyanaten
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

Also Published As

Publication number Publication date
CA1112659A (en) 1981-11-17
ATA331479A (de) 1980-07-15
AU4668079A (en) 1979-11-08
EP0005233A1 (de) 1979-11-14
JPH02341B2 (en]) 1990-01-08
AU524227B2 (en) 1982-09-09
JPS54148759A (en) 1979-11-21
EP0005233B1 (de) 1984-07-11
DE2967099D1 (en) 1984-08-16
AT360976B (de) 1981-02-10
US4154752A (en) 1979-05-15

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