GB448263A - Process for dyeing leather - Google Patents

Process for dyeing leather

Info

Publication number
GB448263A
GB448263A GB3485234A GB3485234A GB448263A GB 448263 A GB448263 A GB 448263A GB 3485234 A GB3485234 A GB 3485234A GB 3485234 A GB3485234 A GB 3485234A GB 448263 A GB448263 A GB 448263A
Authority
GB
United Kingdom
Prior art keywords
solochrome
black
washing
drumming
fast
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
GB3485234A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3485234A priority Critical patent/GB448263A/en
Publication of GB448263A publication Critical patent/GB448263A/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
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/32—Material containing basic nitrogen containing amide groups leather skins
    • D06P3/326—Material containing basic nitrogen containing amide groups leather skins using metallisable or mordant dyes

Landscapes

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

Abstract

Mordant dyes, dyeing with.--Leather is dyed by applying thereto, in a dyebath at about 55--65 DEG C. and in presence of a soluble dichromate, one of the following chromate or afterchrome dyestuffs, viz. Solochrome yellow Y or 2GS, Solochrome brown RH, RS, RGS, EBS or PS, Solochrome red B or ERS, Solochrome violet R or 4RS, Solochrome black WD, 6B, A, F or PV, Solochrome orange GRS, Solochrome dark blue BS and Alizarine red AS. The following examples are specified: (1) Sumac mordanted, chrome tanned, gloving sheep leather is thoroughly wetted with water and drummed in water at 60 DEG C. and a hot water solution containing Solochrome black WD and potassium dichromate is added; drumming is continued for 30 minutes, whereupon a solution of formic acid is added and drumming continued for 20 minutes to obtain a level pearl grey dyeing, fast to washing with soap; excess dichromate may be removed by drumming in a solution of a reducing agent such as sodium sulphite or thiosulphate; (2) Semichrome Persians are similarly dyed a brown shade, fast to washing and to light, with Solochrome brown RS; (3) Aldehyde tanned sheepskin splits are similarly dyed a black shade, fast to washing, with Solochrome black F.
GB3485234A 1934-12-04 1934-12-04 Process for dyeing leather Expired GB448263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3485234A GB448263A (en) 1934-12-04 1934-12-04 Process for dyeing leather

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3485234A GB448263A (en) 1934-12-04 1934-12-04 Process for dyeing leather

Publications (1)

Publication Number Publication Date
GB448263A true GB448263A (en) 1936-06-04

Family

ID=10370694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3485234A Expired GB448263A (en) 1934-12-04 1934-12-04 Process for dyeing leather

Country Status (1)

Country Link
GB (1) GB448263A (en)

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