GB588454A - Improvements in or relating to the dyeing of wool - Google Patents

Improvements in or relating to the dyeing of wool

Info

Publication number
GB588454A
GB588454A GB3701/45A GB370145A GB588454A GB 588454 A GB588454 A GB 588454A GB 3701/45 A GB3701/45 A GB 3701/45A GB 370145 A GB370145 A GB 370145A GB 588454 A GB588454 A GB 588454A
Authority
GB
United Kingdom
Prior art keywords
acid
wool
orthophosphoric acid
salt
dyeing
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
GB3701/45A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB588454A publication Critical patent/GB588454A/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
    • 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
    • D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds

Abstract

Wool is dyed with an acid, chrome or metallized dyestuff in the presence of orthophosphoric acid or a soluble acid salt thereof. By partially neutralizing the acid a buffering effect is obtained, particularly within the pH ranges 2-4 and 5-8. In a modification, the dyebath contains both orthophosphoric acid and acetic acid and the pH is buffered by addition of an alkaline substance. Levelling or wetting agents may be present. In examples: (1) worsted yarn is dyed in a bath containing Alizarine Light Blue BGA, Xylene Light Yellow 2G, Azo Rubinole 2G, the sodium salt of isopropyl naphthalene sulphonic acid, Glauber's salt and orthophosphoric acid, the pH being 1.6 before and 4.4 on completion of dyeing; (2) worsted yarn is dyed in a bath containing Sulfonine Blue RNC, orthophosphoric acid, ammonia, sodium salt of isopropyl naphthalene sulphonic acid and sodium bichromate, the pH of the bath being 5.2 before addition of the wool, 6.5 on addition of the wool and 6.6 on completion of dyeing; (3) worsted tops are wetted out with water, a wetting agent and orthophosphoric acid, and a solution of Omega Chrome Black S is circulated through the wool, the pH being 4.2, after which the dye is chromed by adding sodium bichromate; and (4) worsted tops are wetted out in a bath containing a wetting agent, Glauber's salt, orthophosphoric acid and Neolan Pink B, the pH being 2.5 after addition of the wool and 2.8 on completion of dyeing. The Specification as open to inspection under Sect. 91 refers also to printing. This subject-matter does not appear in the Specification as accepted.
GB3701/45A 1944-02-29 1945-02-14 Improvements in or relating to the dyeing of wool Expired GB588454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU588454X 1944-02-29

Publications (1)

Publication Number Publication Date
GB588454A true GB588454A (en) 1947-05-22

Family

ID=3744089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3701/45A Expired GB588454A (en) 1944-02-29 1945-02-14 Improvements in or relating to the dyeing of wool

Country Status (1)

Country Link
GB (1) GB588454A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2590847A (en) * 1948-11-18 1952-04-01 Pacific Mills Dyeing of wool with high-affinity colloidal dyestuffs and di-ammonium phosphate
DE1002726B (en) * 1952-07-21 1957-02-21 Ciba Geigy Process for coloring materials which, due to their nitrogen content, can be colored with acidic dyes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2590847A (en) * 1948-11-18 1952-04-01 Pacific Mills Dyeing of wool with high-affinity colloidal dyestuffs and di-ammonium phosphate
DE1002726B (en) * 1952-07-21 1957-02-21 Ciba Geigy Process for coloring materials which, due to their nitrogen content, can be colored with acidic dyes

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