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US 11,898,307 B2Granted
Environmentally dyeing process for cellulosic products
OwnerEyüphan Yener, Güzin Akyolinventors
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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.
Claims7
A method for pretreatment and dying applied to a cellulosic product used in a production of textile products carried out in a single bath, the method comprising:
- heating water in the single bath to 60° C.;
- placing the cellulosic product into the heated single water bath;
- adding a wetting agent to the cellulosic product in the heated single water bath such that the cellulosic product is wetted homogenously;
- pre-mixing amylase, cellulase, pectinase and a cationizing agent into a premixture;
- adding the premixture to the heated single water bath;
- treating the cellulosic product in the single bath at a pH value of 6.0 to 6.5 for forty five minutes;
- adding a natural dye stuff and a mordant substance to the single bath after the step of treating such that the natural dyestuff is bonded to the cellulosic product;
- and
- continuing dyeing by increasing a temperature of the single bath to 95° C.
6 more elements
Dependencies are inferred from the claim text.