Back to results
US 2022/0290368 A1Published application
Environmentally dyeing process for cellulosic products
AssigneeBursali Tekstil Sanayi Ve Ticaret Anonim Sirketi
InventorsEyüphan YENER, Güzin AKYOL
Life of this patent
Estimating the term…
Abstract
Disclosed is an environmentally friendly method that enables the pre-treatment and dyeing processes applied to cellulosic products used in the production of textile products such as towels, bathrobes to be carried out in a single bath with natural, biological preparations.
Claims6
A method for enabling the pre-treatment and dyeing processes applied to cellulosic products used in the production of textile products such as towels, bathrobes to be carried out in a single bath, wherein the method comprises the following steps:
- a) heating water located in said bath to 60° C.,
- b) placing the cellulosic product into the heated water bath and adding a wetting agent to ensure that the cellulosic product is wetted homogeneously,
- c) preparing a pre-treatment bath by adding a mixture of amylase, cellulase, pectinase and cationizing agent prepared by pre-mixing,
- d) treating the cellulosic product in the bath with a pH value of 6-6.5 for 45 minutes,
- e) after the pre-treatment process is completed, adding to the same bath natural dyestuffs and mordant substances allowing the dyestuff to be bonded with the cellulosic product,
- f) performing the dyeing process by increasing the temperature to 95° C.
3 more elements
Dependencies are inferred from the claim text.