GB1249896A - Dyeing process - Google Patents

Dyeing process

Info

Publication number
GB1249896A
GB1249896A GB5688368A GB5688368A GB1249896A GB 1249896 A GB1249896 A GB 1249896A GB 5688368 A GB5688368 A GB 5688368A GB 5688368 A GB5688368 A GB 5688368A GB 1249896 A GB1249896 A GB 1249896A
Authority
GB
United Kingdom
Prior art keywords
cellulose
dye
solvent
water
chor
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.)
Expired
Application number
GB5688368A
Inventor
John Blackwell
William Henry Gumprecht
Roy Emerson Starn Jr
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to GB5688368A priority Critical patent/GB1249896A/en
Publication of GB1249896A publication Critical patent/GB1249896A/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
    • D06P3/6033—Natural or regenerated cellulose using dispersed dyes
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/90—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dyes dissolved in organic solvents or aqueous emulsions thereof
    • D06P1/92—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dyes dissolved in organic solvents or aqueous emulsions thereof in organic solvents
    • D06P1/928—Solvents other than hydrocarbons

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)
  • Coloring (AREA)

Abstract

1,249,896. Dyeing cellulose. E.I. DU PONT DE NEMOURS & CO. 29 Nov., 1968, No. 56883/68. Heading D1B. Water swellable cellulosic materials or blends thereof with synthetic materials are dyed by contacting in any sequence with: (1) sufficient water to swell the cellulose, (2) a preformed dye which does not require oxidation, reduction, hydrolysis or other chemical modification for fixation or development of colour, sufficient to colour the cellulose, a boiling saturated solution of which dye is 0.1 molar aqueous sodium carbonate exhibits an optical absorbance of not more than 30 and (3) a solvent to maintain swelling of the cellulose if water is removed and which (a) is at least 2.5 weight % soluble in water at 25‹C (b) boils above 150‹C at atmospheric pressure, (c) is a solvent for the dye at a temperature in the range of 0-225‹C and (d) has the formula: or in which n is 0 or 1, m is a positive whole number, R is H, C 1-8 alkyl, C 7-15 aralkyl or alkaryl, R<SP>2</SP>C-, R<SP>2</SP>SO 2 -, or R<SP>2</SP>OC-, R' is #O #O OH, -OR<SP>2</SP>, -SR<SP>2</SP> , -NHR<SP>2</SP>, -NR<SP>2</SP> (C 1-8 alkyl) -NR (C 7-15 aralkyl or alkaryl), -OCR<SP>2</SP>, -OSO 2 R<SP>2</SP>, -OCOR<SP>2</SP>, -NH (phenyl), #O #O or -NH (naphthyl), R<SP>2</SP> is C 1-8 alkyl, C 5-10 cycloalkyl, C 7-15 aralkyl or alkaryl, C 6 aryl, C 10 aryl or furfuryl, A is ROCH 2 CHORCH 2 -, -H 2 CHORCH 2 - -CH 2 #CHCH 2 -, -CH 2 C(CH 2 OR) 3 , -(CH 2 ) 2 C(CH 2 OR) 2 , -(CH 2 ) 3 CCH 2 OR, -(CH 2 ) 4 C, -CH 2 (CHOR) y CH 2 OR, -CH 2 (CHOR) y CH 2 -, or -CH 2 (CHOR) y-z (-CH) z CH 2 -, X is the number of unsatisfied valencies in A, Y is 2, 3 or 4, Z is 0, 1, 2, 3 or 4 but no greater than Y, provided that at some stage during the process the interior of the swollen cellulose is contacted with a solution of the dye in solvent or aqueous solvent, and fixing the dye in the cellulosic material by precipitation. Cotton, regenerated cellulose, and wood pulp may be dyed and may be blended with polyester, preferred solvents being polyethylene glycol or ether or ester thereof having a molecular weight of 300 to 600.
GB5688368A 1968-11-29 1968-11-29 Dyeing process Expired GB1249896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5688368A GB1249896A (en) 1968-11-29 1968-11-29 Dyeing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5688368A GB1249896A (en) 1968-11-29 1968-11-29 Dyeing process

Publications (1)

Publication Number Publication Date
GB1249896A true GB1249896A (en) 1971-10-13

Family

ID=10477800

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5688368A Expired GB1249896A (en) 1968-11-29 1968-11-29 Dyeing process

Country Status (1)

Country Link
GB (1) GB1249896A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175921A1 (en) * 1972-03-10 1973-10-26 Hoechst Ag
EP0029804A1 (en) * 1979-11-05 1981-06-03 Ciba-Geigy Ag Process for the printing or pad-dyeing of textile materials of cellulosic fibres or mixtures thereof with synthetic fibres, as well as printing pastes or padding liquors for carrying out this process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175921A1 (en) * 1972-03-10 1973-10-26 Hoechst Ag
EP0029804A1 (en) * 1979-11-05 1981-06-03 Ciba-Geigy Ag Process for the printing or pad-dyeing of textile materials of cellulosic fibres or mixtures thereof with synthetic fibres, as well as printing pastes or padding liquors for carrying out this process

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