CH92375A - Process for coloring cellulose acetates. - Google Patents

Process for coloring cellulose acetates.

Info

Publication number
CH92375A
CH92375A CH92375DA CH92375A CH 92375 A CH92375 A CH 92375A CH 92375D A CH92375D A CH 92375DA CH 92375 A CH92375 A CH 92375A
Authority
CH
Switzerland
Prior art keywords
cellulose acetates
dyeing
cellulose acetate
coloring cellulose
coloring
Prior art date
Application number
Other languages
German (de)
Inventor
Rene Dr Clavel
Original Assignee
Rene Dr Clavel
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 Rene Dr Clavel filed Critical Rene Dr Clavel
Publication of CH92375A publication Critical patent/CH92375A/en

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/44General 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
    • D06P1/673Inorganic compounds
    • D06P1/67333Salts or hydroxides
    • D06P1/67341Salts or hydroxides of elements different from the alkaline or alkaline-earth metals or with anions containing those elements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/44General 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
    • D06P1/653Nitrogen-free carboxylic acids or their salts
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/44General 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
    • D06P1/673Inorganic compounds
    • D06P1/67333Salts or hydroxides
    • D06P1/6735Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/58Material containing hydroxyl groups
    • D06P3/60Natural or regenerated cellulose
    • D06P3/62Natural or regenerated cellulose using direct dyes

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Coloring (AREA)

Description

  

      Verfahren    zum Färben     von        Zellulose-Aeetaten.            Bek,#inntli--li    können     Zellulose-Acetate,    zum  Beispiel     Zelltilose-Acetat-Films,    nach den übli  chen     F'irbmethoden    praktisch nicht direkt  gefärbt werden, weil die     Farbstoffaufnahme     ganz oder wesentlich zurückbleibt.  



       Vers_.liedene    Verfahren behandeln nun  die     Zelltilose-Acetate,    wie     Zellulose-Acetat-          Films,    vor dem Färben mit     anorganischen     oder organischen     Verbindungen,    um so die  Aufnahmefähigkeit des     Zellulose-Acetates    für  den nachfolgenden     Färbprozess        zii    erhöhen.  Alle diese Verfahren haben keinen     Eingang     in die Technik gefunden, weil diese Vor  behandlung Schwächungen oder Verluste an       Zellulose-Acetaten    ergab.

   Ferner brachten  auch die Behandlungen mit Alkalien bei er  höhten Temperaturen     unerwiinsclite    Einbussen       au    Glanz der     zii    behandelnden     Acetyl-          zelhilosen.     



  Die vorliegende Erfindung gestattet     nuu     ein direktes Färben der     Zellulose-Acetate,     wie zum Beispiel     Zellulose-Acetat-Films.     indem man dieselben mit sauren, basischen  oder direkten Farbstoffen, vorzugsweise un  ter Zusatz eines oder mehrerer Schutz  kolloide,      <  < #ic    zum     Beispiel        GelaLine,    Gelatine-    seifen     etc.,    in     Gegen@@-art        organisclicr        Säuren.     wie     Essigsäure,    Ameisensäure     etc.,

      und in       (iegenwar    t von grösseren Mengen von was  serlöslichen Salzen, zum Beispiel von Chlo  riden. wie     Zimichlorür,        Zinkehlorid,        Magne-          siumchlorid,        Aminoriitunchlorid,    färbt.  



  Auf diese Weise gelingt es, die Zellulose  Acetate, zum Beispiel in Form von Band,  unter     Beibehalttuig    des Glanzes bis zur     Koch-          teinperatur        zti    färben, ohne dass die zum Bei  spiel durch     Verseifung    üblichen Verluste,       Schwächungen    usw. auftreten.  



       Beispielsweise    können die sauren     Farb-          lösungen    einzeln oder zusammen bestehen        <  < us    den Lösungen     von    Chloriden des Zinks.  des Kaliums, des Natriums, des     Magnesiums,     des     Bariuiris,    ans     den        Schutzkolloiden,    wie       Gelatinen,    Albuminen, Bastseifen,     Tannaten,     verseiften oder sulfonierten Fettsäuren, und  dem Farbstoff. Als Farbstoffe können alle ba  sischen, sauren     und    direkten     Farben    in An  wendung kommen.  



       Das    Färben erfolgt auf dem     Flüssigkeits-          hade.        vorzugsweise    aber in nach dem  Schweizerpatent Nr.<B>73914</B> erzeugten     Schaum-          lmde,    wobei die     Schutzkolloide        zusammen         mit den Salzlösungen gleichzeitig     emulgierend     als Schaumerzeuger dienen und durch ihre       Oberfliiclienalctivitä    t gemeinsam mit den       Farbkolloiden    das Absorptionsvermögen des       Zellulose-Acetates    beträchtlich erhöhen.  



  Der Patentschutz für das vorliegende       Verf    ahnen erstreckt sich nicht auf das Fär  ben von solchen Gebilden aus     Zellulose-          Acetaten,    welche     für    die Textilindustrie in  Betracht fallen.  



       Te.spiel     1     kg        Acetatfilni    wird in einen Schaum  apparat hineingehängt. Das unten befindliche  Farbbad, 20 bis 30 Liter, wird mit 500     cm-'          Fssigs < iure,    100 bis 1000     gr    Zinkchlorid und  12     gr    Leim versetzt und auf 50   C erwärmt.  Alsdann wird die Flüssigkeit in Schaum ver  wandelt,     welcher    den     Acetatfilm    allseitig um  gibt. Nach einer Viertelstunde erwärmt man         zimz    Sieden und     überlässt    die Ware während  einer weiteren Viertelstunde sich selbst.

    Durch eine eventuelle Farbzugabe färbt man  auf Muster aus und wäscht die Ware auf  einem nachfolgenden     Weichwasserbade    in       Gegenwart    von     Olemiilsion    kurz aus.



      Process for dyeing cellulose acetates. It is well known that cellulose acetates, for example cell silose acetate film, cannot be colored directly using the usual dyeing methods, because the dye absorption remains completely or substantially.



       Vers_.liedene procedures now treat the cellulose acetate, such as cellulose acetate film, before dyeing with inorganic or organic compounds, in order to increase the absorption capacity of the cellulose acetate for the subsequent dyeing process. None of these processes have found their way into technology because this pre-treatment resulted in weaknesses or losses of cellulose acetates.

   Furthermore, the treatments with alkalis at elevated temperatures brought unexpected loss of brilliance to the treated acetyl cellhiloses.



  The present invention now permits direct coloring of cellulose acetates, such as cellulose acetate film. by treating them with acidic, basic or direct dyes, preferably with the addition of one or more protective colloids, such as gelatin, gelatine soaps, etc., in counter-organic acids. like acetic acid, formic acid etc.,

      and in (there are also large quantities of water-soluble salts, for example chlorides, such as cimichloride, zinc chloride, magnesium chloride, aminoriitunchloride).



  In this way it is possible to color the cellulose acetate, for example in the form of a ribbon, while maintaining the gloss up to the cooking temperature, without the losses, weakening, etc., which are usual for example due to saponification.



       For example, the acidic color solutions can consist of the solutions of zinc chlorides individually or together. of potassium, sodium, magnesium, barium, and protective colloids such as gelatins, albumins, bast soaps, tannates, saponified or sulfonated fatty acids, and the coloring agent. All basic, acidic and direct colors can be used as dyes.



       The dyeing is done on the liquid hade. but preferably in foam pads produced according to Swiss Patent No. 73914, where the protective colloids together with the salt solutions simultaneously serve as an emulsifying foam generator and, through their surface activity, together with the color colloids, considerably increase the absorption capacity of the cellulose acetate .



  The patent protection for the present proceedings does not extend to the dyeing of such structures made of cellulose acetates which are suitable for the textile industry.



       Te.spiel 1 kg of acetate film is hung in a foam apparatus. The dye bath below, 20 to 30 liters, is mixed with 500 cm of liquid acid, 100 to 1000 g of zinc chloride and 12 g of glue and heated to 50.degree. The liquid is then converted into foam, which surrounds the acetate film on all sides. After a quarter of an hour you heat up a little boil and leave the goods to themselves for another quarter of an hour.

    A possible color addition is used to color the sample and wash the goods briefly on a subsequent soft water bath in the presence of olemilicon.

 

Claims (1)

PATENTANSPRUCH: Verfahren zum Färben von Zelullose-Ace- taten, dadurch gekennzeichnet, dass mit stark salzhaltigen Farblösungen in Gegenwart von organischen Säuren gefärbt wird. UNTERANSPRUCH: Verfahren gemäss Patentanspruch, da durch gekennzeichnet, dass in Gegenwart von Schutzkolloiden gefärbt wird. PATENT CLAIM: Process for dyeing cellulose acetate, characterized in that dyeing is carried out with strongly salty dye solutions in the presence of organic acids. SUBClaim: Method according to claim, characterized in that it is colored in the presence of protective colloids.
CH92375D 1920-10-06 1920-10-06 Process for coloring cellulose acetates. CH92375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH92375T 1920-10-06

Publications (1)

Publication Number Publication Date
CH92375A true CH92375A (en) 1922-01-02

Family

ID=4349824

Family Applications (1)

Application Number Title Priority Date Filing Date
CH92375D CH92375A (en) 1920-10-06 1920-10-06 Process for coloring cellulose acetates.

Country Status (1)

Country Link
CH (1) CH92375A (en)

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