FR2261257B3 - - Google Patents

Info

Publication number
FR2261257B3
FR2261257B3 FR7405547A FR7405547A FR2261257B3 FR 2261257 B3 FR2261257 B3 FR 2261257B3 FR 7405547 A FR7405547 A FR 7405547A FR 7405547 A FR7405547 A FR 7405547A FR 2261257 B3 FR2261257 B3 FR 2261257B3
Authority
FR
France
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
FR7405547A
Other languages
French (fr)
Other versions
FR2261257A1 (en
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
Priority to FR7405547A priority Critical patent/FR2261257A1/en
Publication of FR2261257A1 publication Critical patent/FR2261257A1/en
Application granted granted Critical
Publication of FR2261257B3 publication Critical patent/FR2261257B3/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • 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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7405547A 1974-02-19 1974-02-19 Diphenylmethane diisocyanate stabilised against discolouration - by incorporating small amounts of organic base pref. tert amine Granted FR2261257A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7405547A FR2261257A1 (en) 1974-02-19 1974-02-19 Diphenylmethane diisocyanate stabilised against discolouration - by incorporating small amounts of organic base pref. tert amine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7405547A FR2261257A1 (en) 1974-02-19 1974-02-19 Diphenylmethane diisocyanate stabilised against discolouration - by incorporating small amounts of organic base pref. tert amine

Publications (2)

Publication Number Publication Date
FR2261257A1 FR2261257A1 (en) 1975-09-12
FR2261257B3 true FR2261257B3 (en) 1976-11-26

Family

ID=9135102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405547A Granted FR2261257A1 (en) 1974-02-19 1974-02-19 Diphenylmethane diisocyanate stabilised against discolouration - by incorporating small amounts of organic base pref. tert amine

Country Status (1)

Country Link
FR (1) FR2261257A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152349A (en) * 1978-02-22 1979-05-01 The Upjohn Company Polyisocyanate compositions
US4152348A (en) * 1978-02-22 1979-05-01 The Upjohn Company Stabilized isocyanate compositions

Also Published As

Publication number Publication date
FR2261257A1 (en) 1975-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse