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GB980270A - Process for the production of dyestuffs of the anthraquinone series - Google Patents

Process for the production of dyestuffs of the anthraquinone series

Info

Publication number
GB980270A
GB980270A GB3678162A GB3678162A GB980270A GB 980270 A GB980270 A GB 980270A GB 3678162 A GB3678162 A GB 3678162A GB 3678162 A GB3678162 A GB 3678162A GB 980270 A GB980270 A GB 980270A
Authority
GB
United Kingdom
Prior art keywords
biphenylene
propionyl
cellulose fibres
dye
anthraquinone series
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
GB3678162A
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.)
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella Farbwerke Mainkur 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 Cassella Farbwerke Mainkur AG filed Critical Cassella Farbwerke Mainkur AG
Publication of GB980270A publication Critical patent/GB980270A/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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/002—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the linkage of the reactive group being alternatively specified
    • C09B62/004—Anthracene dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Abstract

Reactive dyes of the anthraquinone series are made by sulphonating a dye of the formula <FORM:0980270/C4-C5/1> wherein A is an unsulphonated m-phenylene, biphenylene, biphenylene-ether, biphenylene-sulphone or biphenylene-ethene residue and the acyl radical which contains two or more carbon atoms is capable of entering into chemical combination with cellulose fibres and belongs to the aliphatic, aromatic, cycloaliphatic or heterocyclic series. Acyl radicals specified include b -bromo-propionyl, b -phenyl-sulphonyl-propionyl, b -chlorocrotonyl and dichlorotriazinyl radicals. The sulphonation is conducted at ambient or elevated temperatures using concentrated or anhydrous sulphuric acid, oleum, chlorsulphonic acid or mixtures thereof. The dyes dye cellulose fibres and wool in blue shades. Specification 718,885 is referred to.
GB3678162A 1961-09-27 1962-09-27 Process for the production of dyestuffs of the anthraquinone series Expired GB980270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC0025139 1961-09-27

Publications (1)

Publication Number Publication Date
GB980270A true GB980270A (en) 1965-01-13

Family

ID=7017822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3678162A Expired GB980270A (en) 1961-09-27 1962-09-27 Process for the production of dyestuffs of the anthraquinone series

Country Status (1)

Country Link
GB (1) GB980270A (en)

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