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Phrix Werke AG
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Phrix Werke AG
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Publication of ES198220A1publicationCriticalpatent/ES198220A1/en
Procedimiento para teñir fibras películas y cuerpos análogos de fibras completamente sintéticas especialmente de los preparados con nitrilo poliacrílico sus copolímeros y polimerizados mixtos con colorantes de dispersión caracterizado porque el hilo o la película se trata previamente en un baño débilmente ácido preferentemente en presencia de un medio blanqueador a temperatura elevada pero interior a 100º y el hilo así previamente tratado se acaba de teñir a temperaturas también interiores a 100º con adición de medios de hinchazón.Process for dyeing fibers, films and similar bodies of completely synthetic fibers, especially those prepared with polyacrylic nitrile, their copolymers and mixed polymerizates with dispersion dyes, characterized in that the thread or film is previously treated in a weakly acid bath, preferably in the presence of a bleaching medium at a high temperature but inside 100 ° and the previously treated yarn has just been dyed at temperatures also inside 100 ° with the addition of swelling media.
ES0198220A1950-11-091951-06-07
A PROCEDURE TO HAVE FIBERS, FILMS AND ANALOG BODIES MADE OF FULLY SYNTHETIC FIBERS, WITH DISPERSION DYES
ExpiredES198220A1
(en)
Anthraquinone vat dyes and process for their preparation. dyeing and printing process using said dyes and dyed materials of? awarded in accordance with those obtained