JPS5740451A - Preparation of organic isocyanate by two-stage process comprising cooling and heating steps - Google Patents

Preparation of organic isocyanate by two-stage process comprising cooling and heating steps

Info

Publication number
JPS5740451A
JPS5740451A JP11472680A JP11472680A JPS5740451A JP S5740451 A JPS5740451 A JP S5740451A JP 11472680 A JP11472680 A JP 11472680A JP 11472680 A JP11472680 A JP 11472680A JP S5740451 A JPS5740451 A JP S5740451A
Authority
JP
Japan
Prior art keywords
reaction
dripping
amine
phosgene
inert gas
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
JP11472680A
Other languages
English (en)
Inventor
Makoto Aiga
Ryuichi Yamamoto
Akinobu Takagi
Masatoshi Sakai
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP11472680A priority Critical patent/JPS5740451A/ja
Publication of JPS5740451A publication Critical patent/JPS5740451A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1942—Details relating to the geometry of the reactor round circular or disk-shaped spherical

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP11472680A 1980-08-22 1980-08-22 Preparation of organic isocyanate by two-stage process comprising cooling and heating steps Pending JPS5740451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11472680A JPS5740451A (en) 1980-08-22 1980-08-22 Preparation of organic isocyanate by two-stage process comprising cooling and heating steps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11472680A JPS5740451A (en) 1980-08-22 1980-08-22 Preparation of organic isocyanate by two-stage process comprising cooling and heating steps

Publications (1)

Publication Number Publication Date
JPS5740451A true JPS5740451A (en) 1982-03-06

Family

ID=14645081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11472680A Pending JPS5740451A (en) 1980-08-22 1980-08-22 Preparation of organic isocyanate by two-stage process comprising cooling and heating steps

Country Status (1)

Country Link
JP (1) JPS5740451A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61178956A (ja) * 1984-11-09 1986-08-11 イ−・アイ・デユポン・ドウ・ヌム−ル・アンド・カンパニ− イソシアネ−トの製造方法
JP2003055332A (ja) * 2001-08-17 2003-02-26 Nippon Soda Co Ltd 試料導入管閉塞防止方法
CN103351313A (zh) * 2013-07-01 2013-10-16 太仓市恒益医药化工原料厂 一种用于苯二亚甲基二异氰酸酯的制备工艺

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61178956A (ja) * 1984-11-09 1986-08-11 イ−・アイ・デユポン・ドウ・ヌム−ル・アンド・カンパニ− イソシアネ−トの製造方法
JP2003055332A (ja) * 2001-08-17 2003-02-26 Nippon Soda Co Ltd 試料導入管閉塞防止方法
CN103351313A (zh) * 2013-07-01 2013-10-16 太仓市恒益医药化工原料厂 一种用于苯二亚甲基二异氰酸酯的制备工艺

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