DE1280856B - Verfahren zur Behandlung von organischen Diisocyanatloesungen - Google Patents

Verfahren zur Behandlung von organischen Diisocyanatloesungen

Info

Publication number
DE1280856B
DE1280856B DEM67662A DEM0067662A DE1280856B DE 1280856 B DE1280856 B DE 1280856B DE M67662 A DEM67662 A DE M67662A DE M0067662 A DEM0067662 A DE M0067662A DE 1280856 B DE1280856 B DE 1280856B
Authority
DE
Germany
Prior art keywords
diisocyanate
treatment
solutions
organic
organic diisocyanate
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.)
Pending
Application number
DEM67662A
Other languages
German (de)
English (en)
Inventor
Nicholas Ronald Congiundi
Lloyd Theodore Jenkins
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.)
Monsanto Co
Original Assignee
Monsanto 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.)
Filing date
Publication date
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of DE1280856B publication Critical patent/DE1280856B/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification
    • 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
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal compounds
    • C08G18/24—Catalysts containing metal compounds of tin
    • C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
    • C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • 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

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)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
DEM67662A 1964-12-17 1965-12-16 Verfahren zur Behandlung von organischen Diisocyanatloesungen Pending DE1280856B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41921764A 1964-12-17 1964-12-17

Publications (1)

Publication Number Publication Date
DE1280856B true DE1280856B (de) 1968-10-24

Family

ID=23661296

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM67662A Pending DE1280856B (de) 1964-12-17 1965-12-16 Verfahren zur Behandlung von organischen Diisocyanatloesungen

Country Status (5)

Country Link
BE (1) BE673934A (xx)
DE (1) DE1280856B (xx)
FR (1) FR1461024A (xx)
GB (1) GB1094980A (xx)
LU (1) LU50069A1 (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799963A (en) * 1972-05-12 1974-03-26 Olin Corp Purification of isocyanates reducing the hydrolyzable chlorine and acid content
EP0538500B1 (en) * 1991-10-19 1995-02-01 Basf Corporation Process for the preparation of polymeric methylendiphenylene diisocyanate having reduced color and chloride content

Also Published As

Publication number Publication date
GB1094980A (en) 1967-12-13
LU50069A1 (xx) 1966-06-15
FR1461024A (fr) 1966-12-02
BE673934A (xx) 1966-06-17

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