GB401350A - Improvements in or relating to discharge pastes and discharge printing processes - Google Patents

Improvements in or relating to discharge pastes and discharge printing processes

Info

Publication number
GB401350A
GB401350A GB13689/32A GB1368932A GB401350A GB 401350 A GB401350 A GB 401350A GB 13689/32 A GB13689/32 A GB 13689/32A GB 1368932 A GB1368932 A GB 1368932A GB 401350 A GB401350 A GB 401350A
Authority
GB
United Kingdom
Prior art keywords
discharge
printed
diazotized
dyed
fibre
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
GB13689/32A
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
Publication of GB401350A publication Critical patent/GB401350A/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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/15—Locally discharging the dyes
    • D06P5/155—Locally discharging the dyes with reductants

Landscapes

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

Abstract

Cellulose esters or ethers, dyeing; printing.--Discharge pastes, particularly suitable for use on materials made of or containing cellulose esters or ethers contain a formaldehydesulphoxylate discharging agent, zinc thiocyanate and diethylene glycol. In an example zinc thiocyanate and diethylene glycol are added to a solution of sodium formaldehydesulphoxylate in aqueous gum tragacanth. The following examples of the production of discharge effects are given. (1) A cellulose acetate fabric, dyed in the usual manner with Ionamine A diazotized on the fibre and developed with 2 : 3--hydroxy-naphthoic acid, is printed with the above discharge paste-dried, aged at 100 DEG C., washed at 60 DEG C. and dried to obtain pure white discharge effects. (2) A cellulose acetate fabric, dyed with Cellitazol ST diazotized on the fibre and developed with 2 : 3--hydroxynaphthoic acid, is printed and further treated as in (1) to obtain similar discharge effects. (3) A cellulose acetate material, dyed with Cibacete diazo black B diazotized on the fibre and developed with 2 : 3--hydroxynaphthoic acid, is printed and further treated as in (1) to obtain slightly yellowish discharge effects. (4) A cellulose acetate material, dyed with Cellitazol AZ diazotized on the fibre and developed with 2 : 3--hydroxynaphthoic acid, is printed with an aqueous discharge paste containing British gum, gum tragacanth, sodium formaldehydesulphoxylate, diethylene glycol, zinc thiocyanate, sodium hydroxide and Ponsol brilliant green G and the printed fabric is aged at 100 DEG C., washed at 60 DEG C. and dried to obtain a brilliant green print on a black ground. Specifications 262,254 and 285,973, [both in Class 15 (ii), Dyeing, Processes &c. for], are referred to.
GB13689/32A 1931-05-15 1932-05-12 Improvements in or relating to discharge pastes and discharge printing processes Expired GB401350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US401350XA 1931-05-15 1931-05-15

Publications (1)

Publication Number Publication Date
GB401350A true GB401350A (en) 1933-11-13

Family

ID=21909305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13689/32A Expired GB401350A (en) 1931-05-15 1932-05-12 Improvements in or relating to discharge pastes and discharge printing processes

Country Status (1)

Country Link
GB (1) GB401350A (en)

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