JPS5412358A - Preparation of aromatic polyamines - Google Patents

Preparation of aromatic polyamines

Info

Publication number
JPS5412358A
JPS5412358A JP7664177A JP7664177A JPS5412358A JP S5412358 A JPS5412358 A JP S5412358A JP 7664177 A JP7664177 A JP 7664177A JP 7664177 A JP7664177 A JP 7664177A JP S5412358 A JPS5412358 A JP S5412358A
Authority
JP
Japan
Prior art keywords
preparation
aromatic polyamines
tin
aromatic
hardeners
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.)
Granted
Application number
JP7664177A
Other languages
Japanese (ja)
Other versions
JPS5826903B2 (en
Inventor
Kazutaro Koike
Takao Harada
Ikuo Takada
Sadayoshi Matsui
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.)
Ihara Chemical Industry Co Ltd
Original Assignee
Ihara Chemical Industry Co 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 Ihara Chemical Industry Co Ltd filed Critical Ihara Chemical Industry Co Ltd
Priority to JP52076641A priority Critical patent/JPS5826903B2/en
Publication of JPS5412358A publication Critical patent/JPS5412358A/en
Publication of JPS5826903B2 publication Critical patent/JPS5826903B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: To obtain the title substances usable as intermediates for aromatic polyisocyanates, and hardeners for polyurethanes, etc. with little coloration, by reacting aromatic amines with formaldehyde in the presence of an acid catalyst upon addition of tin or a tin compound.
COPYRIGHT: (C)1979,JPO&Japio
JP52076641A 1977-06-29 1977-06-29 Method for producing aromatic polyamines Expired JPS5826903B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52076641A JPS5826903B2 (en) 1977-06-29 1977-06-29 Method for producing aromatic polyamines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52076641A JPS5826903B2 (en) 1977-06-29 1977-06-29 Method for producing aromatic polyamines

Publications (2)

Publication Number Publication Date
JPS5412358A true JPS5412358A (en) 1979-01-30
JPS5826903B2 JPS5826903B2 (en) 1983-06-06

Family

ID=13610998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52076641A Expired JPS5826903B2 (en) 1977-06-29 1977-06-29 Method for producing aromatic polyamines

Country Status (1)

Country Link
JP (1) JPS5826903B2 (en)

Also Published As

Publication number Publication date
JPS5826903B2 (en) 1983-06-06

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