JPS55104358A - Production of liquid preparation of water-insoluble azo dye - Google Patents

Production of liquid preparation of water-insoluble azo dye

Info

Publication number
JPS55104358A
JPS55104358A JP1217079A JP1217079A JPS55104358A JP S55104358 A JPS55104358 A JP S55104358A JP 1217079 A JP1217079 A JP 1217079A JP 1217079 A JP1217079 A JP 1217079A JP S55104358 A JPS55104358 A JP S55104358A
Authority
JP
Japan
Prior art keywords
azo dye
water
insoluble azo
liquid preparation
production
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
JP1217079A
Other languages
Japanese (ja)
Other versions
JPS637223B2 (en
Inventor
Masao Imai
Saguru Takahata
Ryoichi Tsukahara
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 JP1217079A priority Critical patent/JPS55104358A/en
Publication of JPS55104358A publication Critical patent/JPS55104358A/en
Publication of JPS637223B2 publication Critical patent/JPS637223B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To readily obtain title liquid preparation having good storage-stability, by adding a specific surfactant to an aq. dispersion of a water-insoluble azo dye to form a coacervate layer containing the dye, and separating the layer.
CONSTITUTION: The liquid preparation is produced by preparing a water-insoluble azo dye from diazo component, such as aniline, p-toluidine, m-anisidine, or p- chloroaniline, and coupling coumponent, such as p-cresol, resorcinol, or acetanilide, adding to an aq. suspensim of the water-insoluble azo dye a nonionic surfactant or a combination of nonionic and anionic surfactants which are capable of forming an aqueous two-phase system in the presence of a precipitant such as NaCl, forming a coacervate layer containing the azo dye, and separating the layer, for example, by decantation.
COPYRIGHT: (C)1980,JPO&Japio
JP1217079A 1979-02-07 1979-02-07 Production of liquid preparation of water-insoluble azo dye Granted JPS55104358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1217079A JPS55104358A (en) 1979-02-07 1979-02-07 Production of liquid preparation of water-insoluble azo dye

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1217079A JPS55104358A (en) 1979-02-07 1979-02-07 Production of liquid preparation of water-insoluble azo dye

Publications (2)

Publication Number Publication Date
JPS55104358A true JPS55104358A (en) 1980-08-09
JPS637223B2 JPS637223B2 (en) 1988-02-16

Family

ID=11797953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1217079A Granted JPS55104358A (en) 1979-02-07 1979-02-07 Production of liquid preparation of water-insoluble azo dye

Country Status (1)

Country Link
JP (1) JPS55104358A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0180870A2 (en) * 1984-11-06 1986-05-14 Hoechst Aktiengesellschaft Preparation process of aqueous, highly concentrated pressed cakes of solid materials
EP0181545A2 (en) * 1984-11-06 1986-05-21 Hoechst Aktiengesellschaft Preparation process of aqueous, highly concentrated pressed cakes of azoic disperse dyes
JP2002541216A (en) * 1999-04-02 2002-12-03 ナショナル リサーチ カウンシル オブ カナダ Water-soluble composition of bioactive lipophilic compound

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0180870A2 (en) * 1984-11-06 1986-05-14 Hoechst Aktiengesellschaft Preparation process of aqueous, highly concentrated pressed cakes of solid materials
EP0181545A2 (en) * 1984-11-06 1986-05-21 Hoechst Aktiengesellschaft Preparation process of aqueous, highly concentrated pressed cakes of azoic disperse dyes
JPS61115963A (en) * 1984-11-06 1986-06-03 ヘキスト・アクチエンゲゼルシヤフト Production of solid high concentration aqueous press cake
US4828622A (en) * 1984-11-06 1989-05-09 Hoechst Aktiengesellschaft Process for preparing highly concentrated aqueous press cakes of solids
JP2002541216A (en) * 1999-04-02 2002-12-03 ナショナル リサーチ カウンシル オブ カナダ Water-soluble composition of bioactive lipophilic compound

Also Published As

Publication number Publication date
JPS637223B2 (en) 1988-02-16

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