DE618329C - Process for dyeing the rayon made from regenerated cellulose, spun-matted using titanium dioxide, with substantive dyes - Google Patents

Process for dyeing the rayon made from regenerated cellulose, spun-matted using titanium dioxide, with substantive dyes

Info

Publication number
DE618329C
DE618329C DE1934I0048785 DEI0048785D DE618329C DE 618329 C DE618329 C DE 618329C DE 1934I0048785 DE1934I0048785 DE 1934I0048785 DE I0048785 D DEI0048785 D DE I0048785D DE 618329 C DE618329 C DE 618329C
Authority
DE
Germany
Prior art keywords
matted
titanium dioxide
spun
regenerated cellulose
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
DE1934I0048785
Other languages
German (de)
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
Priority claimed from GB3653133A external-priority patent/GB430993A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of DE618329C publication Critical patent/DE618329C/en
Expired legal-status Critical Current

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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
    • 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
    • D06P1/67333—Salts or hydroxides
    • D06P1/67341—Salts or hydroxides of elements different from the alkaline or alkaline-earth metals or with anions containing those elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

Mit Titandioxyd spinnmattierte Kunstseiden aus regenerierter Cellulose lassen sich bekanntlich mit Substantiven Farbstoffen nicht lichtecht färben, da die gefärbte Kunstseide im feuchten Zustand ausbleicht. Im Sonnenlicht kann das Ausbleichen sogar schon nach wenigen Minuten festgestellt werden. Direktfarbstoffe, welche dieses Ausbleichen zeigen, sind Chlorazol Orange PO (Schultz, Farb-Stofftabellen, 7. Auflage, Nr. 747), Chlorazol OrangeBraunX (Schultz, a.a.O., Nr.678), Chlorazol echt Schwarz BK (Schultz, Farbstofftabellen, 7. Auflage, Bd. II, S. 33) und Chlorazol echt Rot F (Schultz, a.a.O., Nr. 410. (Die Zahlenangaben in Klammern beziehen sich auf Schultz, Farbstofftabellen, 7. Auflage, Bd. I.) In vielen Fällen wird gefärbte Viscoseseide zwar nur wenig oder gar nicht der Feuchtigkeit ausgesetzt; in anderen Fällen, wie beispielsweise bei Strumpfwaren und anderen schweren Stoffen, wie beispielsweise Plüsch, die Wasser in sich aufnehmen, ist jedoch nicht zu vermeiden, daß die feuchten Stoffe dem Sonnenlicht ausgesetzt werden. In diesen Fällen findet auch immer ein Ausbleichen statt.As is well known, rayon made from regenerated cellulose and spun-matted with titanium dioxide can be used Do not dye lightfast with nouns dyes, as the dyed rayon fades when wet. The fading can even lessen in sunlight a few minutes. Direct dyes that show this fading are Chlorazol Orange PO (Schultz, color tables, 7th edition, No. 747), Chlorazol OrangeBraunX (Schultz, op. Cit., No. 678), chlorazole real black BK (Schultz, Dye tables, 7th edition, vol. II, p. 33) and chlorazole real red F (Schultz, a.a.O., No. 410. (The figures in brackets refer to Schultz, color tables, 7th edition, Vol. I.) In many cases, colored viscose silk is only slightly or at all not exposed to moisture; in other cases, such as hosiery and other heavy materials, such as plush, that absorb water, however, it cannot be avoided that the moist substances are exposed to sunlight. In these cases, fading always takes place.

Es hat sich nun herausgestellt, daß dieser Nachteil vermieden werden kann und die Lichtechtheit substantiver Färbungen auf Kunstseide aus regenerierter Cellulose, die unter Verwendung von Titandioxyd spinnmattiert worden ist, verbessert werden kann, wenn man Mattkunstseide färbt, die nach dem Mattieren oder vor dem Färben mit wasserlöslichen Chromverbindungen behandelt worden ist.It has now been found that this disadvantage can be avoided and the Lightfastness of substantive dyeings on rayon made from regenerated cellulose, the has been spin-matted using titanium dioxide, can be improved, when dyeing matte artificial silk after matting or before dyeing with water-soluble ones Chromium compounds has been treated.

Die Behandlung kann beispielsweise in der Weise erfolgen, daß die spinnmattierte Viscoseseide in eine heiße wäßrige Lösung der betreffenden Chromverbindung eingetaucht und dann in der üblichen Weise gefärbt wird. Die so behandelten Stoffe können vor dem Färben gespült und getrocknet werden.The treatment can be carried out, for example, in such a way that the spun-matt viscose silk is immersed in a hot aqueous solution of the chromium compound in question and then colored in the usual way. The fabrics treated in this way can be rinsed and dried before dyeing.

In dem folgenden Beispiel sind einige Ausführungsformen der Erfindung angegeben. Die Teile sind Gewichtsteile.Some embodiments of the invention are given in the following example. The parts are parts by weight.

Durch Einverleiben von Titandioxyd mattierte Kunstseide aus regenerierter Cellulose wird 1I2 Stunde lang bei 850C in einer o,S prozentigen wäßrigen Natriumbichromat- oder Chromchloridlösurig behandelt, mit Was- · ser gespült, gegebenenfallsi getrocknet und mit einem der obengenanten Farbstoffe, wie üblich, gefärbt. 1 I 2 hour per cent at 85 0 C in an o, S aqueous Natriumbichromat- or Chromchloridlösurig is by incorporating titanium dioxide matted rayon of regenerated cellulose, rinsed with water · ser, and with gegebenenfallsi dried one of the above-mentioned dyes, as usual , colored.

Claims (1)

Patentanspruch :Claim: Verfahren zum Färben der unter Verwendung von Titandioxyd spinnmattierten Kunstseiden aus regenerierter Cellulose mit Substantiven Farbstoffen, dadurch gekennzeichnet, daß man Mattkunstseide verwendet, die nach dem Mattieren oder vor dem Färben mit wasserlöslichen Chromverbindungen behandelt worden ist.Method of coloring the using from titanium dioxide spun-matted rayon from regenerated cellulose with nouns dyes, thereby characterized in that one uses matte artificial silk, which after matting or before dyeing with water-soluble Chromium compounds has been treated.
DE1934I0048785 1933-12-28 1934-01-17 Process for dyeing the rayon made from regenerated cellulose, spun-matted using titanium dioxide, with substantive dyes Expired DE618329C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3653133A GB430993A (en) 1934-12-27 1933-12-28 Improvements relating to delustred artificial silks
GB3710434A GB449543A (en) 1934-12-27 1934-12-27 Improvements in dyeing

Publications (1)

Publication Number Publication Date
DE618329C true DE618329C (en) 1935-09-06

Family

ID=34913689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1934I0048785 Expired DE618329C (en) 1933-12-28 1934-01-17 Process for dyeing the rayon made from regenerated cellulose, spun-matted using titanium dioxide, with substantive dyes

Country Status (1)

Country Link
DE (1) DE618329C (en)

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