Continuous level dyeing of polyamide free from frosting effect - using foaming agent mixt. of alkyl (aryl) sulphonate and hydroxyethylated fatty alcohol

The process is carried out by application of a dye liquor contg. a foaming agent, followed by fixing with steam at 100-140 degrees C. The foaming agen consists of (I) 0.1-1, pref. 0.15-0.8 g alkyl (aryl)sulphonate with a 10-20C alkyl chain and (II) 0.5-10, pref. 1-8g hydroxyethylation prod. of a 10-...

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Bibliographic Details
Main Authors WECKLER,GERHARD,.DR, BEIERTZ,HANS, WEIKARDT,WOLF-DIETER
Format Patent
LanguageEnglish
German
Published 14.09.1978
Edition2
Subjects
DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM
DYEING OR PRINTING TEXTILES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
TEXTILES
TRANSPORTING
TREATMENT OF TEXTILES OR THE LIKE
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Summary:The process is carried out by application of a dye liquor contg. a foaming agent, followed by fixing with steam at 100-140 degrees C. The foaming agen consists of (I) 0.1-1, pref. 0.15-0.8 g alkyl (aryl)sulphonate with a 10-20C alkyl chain and (II) 0.5-10, pref. 1-8g hydroxyethylation prod. of a 10-20, pref. 12-17C fatty alcohol with 6-25, pref. 8-13 mole ethylene oxide per kg liquor. The process avoids disadvantages associated with the use of conventional foaming agents, e.g. foaming of the steam sump, which leads to staining, and reduced yield due to retardation by high concns. of foaming agent.
Bibliography:Application Number: DE19772710898