GB367420A - Improvements in vat dyeing and stripping - Google Patents

Improvements in vat dyeing and stripping

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Publication number
GB367420A
GB367420A GB3445230A GB3445230A GB367420A GB 367420 A GB367420 A GB 367420A GB 3445230 A GB3445230 A GB 3445230A GB 3445230 A GB3445230 A GB 3445230A GB 367420 A GB367420 A GB 367420A
Authority
GB
United Kingdom
Prior art keywords
indanthrene
stripping
dyeing
ethylene oxide
violet
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
GB3445230A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB3445230A priority Critical patent/GB367420A/en
Publication of GB367420A publication Critical patent/GB367420A/en
Expired legal-status Critical Current

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Abstract

The process of dyeing textiles, especially closely woven or twisted materials, with vat or sulphur dyestuffs, or stripping such dyestuffs from textiles dyed therewith, is carried out in aqueous baths containing, in addition to alkali and a reducing agent, e.g. hydrosulphite or sodium sulphide, from viscous to solid polymerization products of ethylene oxide, which are obtainable by acting with strong alkali on ethylene oxide in accordance with the process of Specification 346,550. Examples are given (1) of the dyeing of mercerized pearl yarn and closely woven linen material with Indanthrene blue G.C.D. or Indanthrene violet 2 R extra; (2) of the stabilization of vats containing indigo or Indanthrene yellow G.; and (3) of the stripping of calico dyed with Indanthrene violet 2 R. or Indanthrene blue green B.
GB3445230A 1930-11-15 1930-11-15 Improvements in vat dyeing and stripping Expired GB367420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3445230A GB367420A (en) 1930-11-15 1930-11-15 Improvements in vat dyeing and stripping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3445230A GB367420A (en) 1930-11-15 1930-11-15 Improvements in vat dyeing and stripping

Publications (1)

Publication Number Publication Date
GB367420A true GB367420A (en) 1932-02-15

Family

ID=10365827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3445230A Expired GB367420A (en) 1930-11-15 1930-11-15 Improvements in vat dyeing and stripping

Country Status (1)

Country Link
GB (1) GB367420A (en)

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