FR2400588A1 - Single bath dyeing of cellulosic textiles with ice colours - using alkaline bath contg. coupling component; with subsequent addn. of diazonium salt - Google Patents

Single bath dyeing of cellulosic textiles with ice colours - using alkaline bath contg. coupling component; with subsequent addn. of diazonium salt

Info

Publication number
FR2400588A1
FR2400588A1 FR7823991A FR7823991A FR2400588A1 FR 2400588 A1 FR2400588 A1 FR 2400588A1 FR 7823991 A FR7823991 A FR 7823991A FR 7823991 A FR7823991 A FR 7823991A FR 2400588 A1 FR2400588 A1 FR 2400588A1
Authority
FR
France
Prior art keywords
coupling component
bath
dyeing
alkali
diazonium salt
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
FR7823991A
Other languages
French (fr)
Other versions
FR2400588B1 (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.)
Hoechst AG
Original Assignee
Hoechst AG
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
Priority claimed from DE19772737113 external-priority patent/DE2737113C2/en
Priority claimed from DE19782831635 external-priority patent/DE2831635A1/en
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of FR2400588A1 publication Critical patent/FR2400588A1/en
Application granted granted Critical
Publication of FR2400588B1 publication Critical patent/FR2400588B1/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/58—Material containing hydroxyl groups
    • D06P3/60—Natural or regenerated cellulose
    • D06P3/68—Preparing azo dyes on the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Abstract

A method for single bath dyeing of cellulosic textiles with ice colours, without an intermediate rinsing stage between the impregnation and development, comprises treating the material with an aq. bath contg. coupling component and an alkali, and, adding to the bath after the ptake of the coupling component onto the fibre, a soln. of a diazonium salt and opt. a quantity of alkali fixing agents to give a pH of 9-12. No excess unabsorbed coupling component needs to be eliminated. The dyeing time is considerably reduced, and the pH range used allows the alkali salt and free acid forms of the coupling component to mixt. close to equilibrium which gives perfectly even dyeing of high intensity and good fastness, partic. to rubbing and washing. The alkali fixing agent is pref added to the bath before the diazo soln. Pref. the pH range created is 9.5-10.5.
FR7823991A 1977-08-17 1978-08-17 PROCESS FOR DYEING TEXTILE MATERIALS BASED ON CELLULOSIC FIBERS WITH ICE DYES Expired FR2400588B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772737113 DE2737113C2 (en) 1977-08-17 1977-08-17 Process for dyeing textile material made of cellulose fibers on the reel skid
DE19782831635 DE2831635A1 (en) 1978-07-19 1978-07-19 Single bath dyeing of cellulosic textiles with ice colours - using alkaline bath contg. coupling component; with subsequent addn. of diazonium salt

Publications (2)

Publication Number Publication Date
FR2400588A1 true FR2400588A1 (en) 1979-03-16
FR2400588B1 FR2400588B1 (en) 1985-10-11

Family

ID=25772546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823991A Expired FR2400588B1 (en) 1977-08-17 1978-08-17 PROCESS FOR DYEING TEXTILE MATERIALS BASED ON CELLULOSIC FIBERS WITH ICE DYES

Country Status (4)

Country Link
AT (1) AT382647B (en)
FR (1) FR2400588B1 (en)
IT (1) IT1098070B (en)
NL (1) NL7808506A (en)

Also Published As

Publication number Publication date
AT382647B (en) 1987-03-25
FR2400588B1 (en) 1985-10-11
IT7826776A0 (en) 1978-08-14
IT1098070B (en) 1985-08-31
ATA593678A (en) 1986-08-15
NL7808506A (en) 1979-02-20

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Legal Events

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ST Notification of lapse