BE755243Q - Procedes de fabrication d'isocyanates et de polyisocyanates - Google Patents

Procedes de fabrication d'isocyanates et de polyisocyanates

Info

Publication number
BE755243Q
BE755243Q BE755243DA BE755243Q BE 755243 Q BE755243 Q BE 755243Q BE 755243D A BE755243D A BE 755243DA BE 755243 Q BE755243 Q BE 755243Q
Authority
BE
Belgium
Prior art keywords
isocyanates
manufacturing processes
polyisocyanates manufacturing
polyisocyanates
processes
Prior art date
Application number
Other languages
English (en)
Inventor
A A R Sayigh
Original Assignee
Upjohn Co
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.)
Publication date
Application granted granted Critical
Publication of BE755243Q publication Critical patent/BE755243Q/fr

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
    • C08G18/74—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE755243D 1965-07-08 Procedes de fabrication d'isocyanates et de polyisocyanates BE755243Q (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47040065A 1965-07-08 1965-07-08

Publications (1)

Publication Number Publication Date
BE755243Q true BE755243Q (fr) 1971-02-01

Family

ID=23867482

Family Applications (1)

Application Number Title Priority Date Filing Date
BE755243D BE755243Q (fr) 1965-07-08 Procedes de fabrication d'isocyanates et de polyisocyanates

Country Status (5)

Country Link
US (1) US3471543A (fr)
JP (1) JPS54906B1 (fr)
BE (1) BE755243Q (fr)
DE (1) DE1593638A1 (fr)
GB (1) GB1092019A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644232A (en) * 1968-05-24 1972-02-22 Mobay Chemical Corp Flame-resistant, nonbursting polyisocyanurate foams
US3897314A (en) * 1970-07-18 1975-07-29 Bayer Ag Process for removing distillation residue from crude isocyanates
DE2105193C3 (de) * 1971-02-04 1981-07-09 Chemie-Anlagenbau Bischofsheim GmbH, 4500 Osnabrück Verfahren zur Trennung eines organischen Polyisocyanatgemisches
US4118410A (en) * 1971-02-04 1978-10-03 Gottfried Reuter Gmbh I.L. Polyphenyl-polymethylene-polyisocyanate mixtures
US3892634A (en) * 1973-02-20 1975-07-01 Upjohn Co Separation of 2,4{40 {0 and 4,4{40 {0 methylene bis(phenyl isocyanate) from polymethylene polyphenyl polyisocyanates
DE2806731A1 (de) * 1978-02-17 1979-08-23 Bayer Ag Verfahren zur herstellung von isocyanuratgruppen aufweisenden polyisocyanaten
DE3145010A1 (de) * 1981-11-12 1983-05-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-diisocyanatodiphenylmethan
DE19804915A1 (de) * 1998-02-07 1999-08-12 Basf Ag Verfahren zur Herstellung von Methylendi(phenylamin) und Methylendi(phenylisocyanat)
DE10245584A1 (de) * 2002-09-27 2004-04-08 Basf Ag Aufarbeitung von Reaktionsausträgen aus Phosgenierreaktoren
DE10260092A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Reinigung von Isocyanaten
DE10333929A1 (de) * 2003-07-25 2005-02-24 Bayer Materialscience Ag Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat
DE102005026864A1 (de) * 2005-06-10 2006-12-14 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
JP5116954B2 (ja) * 2005-07-12 2013-01-09 三井化学株式会社 ポリイソシアネート残渣の濃縮方法、処理方法、濃縮装置および処理装置
JP4705425B2 (ja) 2005-07-12 2011-06-22 三井化学株式会社 ポリイソシアネート残渣の分解装置およびそのスタートアップ方法
DE102005055189A1 (de) * 2005-11-19 2007-05-24 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
WO2011090677A2 (fr) * 2009-12-29 2011-07-28 Saint-Gobain Abrasives, Inc. Abrasifs composites non-tissés ne s'encrassant pas

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683730A (en) * 1951-01-17 1954-07-13 Goodyear Tire & Rubber Polyisocyanates and mixtures thereof
US3215652A (en) * 1962-09-24 1965-11-02 Allied Chem Process for producing a rigid polyether-polyurethane foam
US3260751A (en) * 1963-06-13 1966-07-12 Mobay Chemical Corp Method of preparing polyamines
US3317481A (en) * 1963-12-27 1967-05-02 Du Pont Chemical compositions and process

Also Published As

Publication number Publication date
GB1092019A (en) 1967-11-22
JPS54906B1 (fr) 1979-01-18
US3471543A (en) 1969-10-07
DE1593638A1 (de) 1970-08-13

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: THE UPJOHN CY

Effective date: 19860831