GB328706A - Improvements in the dyeing of regenerated cellulose materials - Google Patents

Improvements in the dyeing of regenerated cellulose materials

Info

Publication number
GB328706A
GB328706A GB487529A GB487529A GB328706A GB 328706 A GB328706 A GB 328706A GB 487529 A GB487529 A GB 487529A GB 487529 A GB487529 A GB 487529A GB 328706 A GB328706 A GB 328706A
Authority
GB
United Kingdom
Prior art keywords
acid
aminonaphthol
mol
sulphonic
diaminonaphthalene
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
GB487529A
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 GB487529A priority Critical patent/GB328706A/en
Publication of GB328706A publication Critical patent/GB328706A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/06—Disazo dyes characterised by the tetrazo component the tetrazo component being a naphthalene derivative

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

328,706. Imperial Chemical Industries, Ltd., and Brightman, R. Feb. 13, 1929. Disazo dyes.-Regenerated cellulose materials are dyed in level shades by the application of disazo dyes obtained by coupling tetrazotized 1: 5- diaminonaphthalene with 1 mol. of a phenol, a naphthol, a carboxylic derivative of a phenol, a naphthol sulphonic acid, or an aminonaphtholsulphonic acid, and 1 mol. of another coupling component, excluding 2:5: 7-aminonaphtholsul. phonic acid or a derivative thereof either as first or as second component. The dyestuffs preferably contain at least one sulphonic group for each naphthalene nucleus in the coupling components. The following examples are specified :-(1) 1: 5- Diaminonaphthalene is tetrazotized and coupled (alkaline) with 1 mol. of 1: 8-aminonaphthol 2: 4-disulphonic acid and 1 mol. of #-naphthol; the product dyes viscose silk bright blue. (2) Viscose silk is dyed a rich red shade in a bath containing Glauber's salt, soap, and the dyestuff obtained by coupling tetrazotized 1 : 5-diaminonaphthalene with 1 mol. of salicyclic acid and 1 mol. of 2-methylaminonaphthalene-7-sulphonic acid. A table is also given showing the shades obtained on viscose silk with the dyestuffs from tetrazotized 1: 5-diaminonaphthalene and the following components, all aminonaphtholsulphonic acids being coupled alkaline :-1: 8-aminonaphthol-2: 4-disulphonic acid (2 mols.); 1: 5-naphtholsulphonic acid (2 mols.); salicylic acid and 2 : 8-aminonaphthol-6-sulphonic acid or 2-phenyl. amino-8-naphthol-6-sulphonic acid or 1 : 8-aminonaphthol-2: 4(or 3 : 6)-disulphonic acid; o- or pcresotinic acid and 2: 8-aminonaphthol-6-sulphonic acid: 1: 4-naphtholsulphonic acid and 2 :8-aminoaphthol-6-sulphonic acid or 1: 8- aminonaphthol-4-sulphonic acid; resorcinol and 1 : 8-aminonaphthol-2 : 4-disulphonic acid. Specification 9287/00 is referred to.
GB487529A 1929-02-13 1929-02-13 Improvements in the dyeing of regenerated cellulose materials Expired GB328706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB487529A GB328706A (en) 1929-02-13 1929-02-13 Improvements in the dyeing of regenerated cellulose materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB487529A GB328706A (en) 1929-02-13 1929-02-13 Improvements in the dyeing of regenerated cellulose materials

Publications (1)

Publication Number Publication Date
GB328706A true GB328706A (en) 1930-05-08

Family

ID=9785459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB487529A Expired GB328706A (en) 1929-02-13 1929-02-13 Improvements in the dyeing of regenerated cellulose materials

Country Status (1)

Country Link
GB (1) GB328706A (en)

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