JPS5365832A - Purification of arom. diamines - Google Patents

Purification of arom. diamines

Info

Publication number
JPS5365832A
JPS5365832A JP14130476A JP14130476A JPS5365832A JP S5365832 A JPS5365832 A JP S5365832A JP 14130476 A JP14130476 A JP 14130476A JP 14130476 A JP14130476 A JP 14130476A JP S5365832 A JPS5365832 A JP S5365832A
Authority
JP
Japan
Prior art keywords
arom
diamines
purification
ortho
diamine
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
JP14130476A
Other languages
Japanese (ja)
Other versions
JPS577624B2 (en
Inventor
Kosuke Yamamoto
Kazunari Nitta
Yuji Uchida
Kazumoto Kuroda
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 JP14130476A priority Critical patent/JPS5365832A/en
Publication of JPS5365832A publication Critical patent/JPS5365832A/en
Publication of JPS577624B2 publication Critical patent/JPS577624B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To purify arom. diamines by adding formamide to the arom. diamines contg. ortho-arom. diamine, followed by heating and removing the ortho-arom. diamine by distillation.
COPYRIGHT: (C)1978,JPO&Japio
JP14130476A 1976-11-26 1976-11-26 Purification of arom. diamines Granted JPS5365832A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14130476A JPS5365832A (en) 1976-11-26 1976-11-26 Purification of arom. diamines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14130476A JPS5365832A (en) 1976-11-26 1976-11-26 Purification of arom. diamines

Publications (2)

Publication Number Publication Date
JPS5365832A true JPS5365832A (en) 1978-06-12
JPS577624B2 JPS577624B2 (en) 1982-02-12

Family

ID=15288765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14130476A Granted JPS5365832A (en) 1976-11-26 1976-11-26 Purification of arom. diamines

Country Status (1)

Country Link
JP (1) JPS5365832A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200141128A (en) 2019-06-10 2020-12-18 금호석유화학 주식회사 A method for separating ortho-diamine compounds

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE443100B (en) * 1982-03-26 1986-02-17 Sven Runo Vilhelm Gebelius SET TO MANUFACTURE A CONISCULATIC RODFORMED ELEMENT BUT ITEMS MANUFACTURED AS SET

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200141128A (en) 2019-06-10 2020-12-18 금호석유화학 주식회사 A method for separating ortho-diamine compounds

Also Published As

Publication number Publication date
JPS577624B2 (en) 1982-02-12

Similar Documents

Publication Publication Date Title
JPS52119494A (en) Control of ozonizer system
JPS5391189A (en) Preparation of d-n-carbamoyl-alpha-amino acids
JPS5365832A (en) Purification of arom. diamines
JPS5214938A (en) Water warming device by sun heat
JPS51130936A (en) Water heater utilizing solar heat
JPS53133687A (en) Purification of coenzyme q
JPS51126070A (en) Weber treatment equipment
JPS5215492A (en) Ozone generator
JPS53111394A (en) Elimination of monomer included in polyamide resin
JPS51136353A (en) Water purifying plant
JPS5239955A (en) Water purification control system
JPS51150871A (en) Process for the purificati on of sewage
JPS52124463A (en) Coagulation treatment of suspension
JPS51119904A (en) Brush system of dc motor
JPS5265A (en) Method of purifying water quality
JPS5377024A (en) Purification of aromatic amines
JPS5363322A (en) Purification of aromatic diamies
JPS543084A (en) Purification of lactam
JPS51141463A (en) Facility for purifying polluted water
JPS51119157A (en) Circulating flow,air-exposure purification apparatus
JPS52108956A (en) Purification of alkyldiphenyls
JPS53124606A (en) Purification of albumin
JPS51120053A (en) Apparatus for purifying treatment
JPS51117995A (en) Hidrogen purifying process
JPS5245152A (en) Method of agglomeration treatment of river water