Latest News and Updates on Textile Auxiliaries and Dyes

The degree of alkali reduction treatment is generally expressed by the reduction rate.
1. Type and concentration of alkali agent
The ability of organic bases to hydrolyze ester bonds is less than that of inorganic bases, but it does great damage to fiber strength.
Inorganic base: KOH>NaOH>sodium carbonate
As the concentration increases, the reduction rate increases
The larger the specific surface area of the fiber, the greater the weight loss rate.

Con la mejora del cromosoma, el color de las flores impresas está aumentando. Aparecen diferentes colores en las telas de impresión.

With the improvement of the chromosome, the color of the printed flower is also increasing. Different colors appear on the printing fabrics.

1. Overview of soap washing agentThe soap washing agent and cleaning agent in the printing and dyeing aid are collectively referred to as detergents.

1. Descripción general del agente de lavado de jabónEl agente de lavado de jabón y el agente de limpieza en la ayuda de impresión y teñido se conocen colectivamente como detergentes.

La situación actual del lavado de jabónDurante el proceso de teñido, hay muchos colorantes sin resolver, colorantes hidrolizados, alcalinos y otros productos químicos en la solución de tinte.

The current situation of soap washingDuring the dyeing process, there are many unsolved dyes, hydrolyzed dyes, alkalines, and other chemicals in the dye solution. It must be washed and soap to wash this impurities to improve the fabric Fresh color, color fastness and cleanliness.

Soaping agent + reducing agent (sodium sulfide or thiourea dioxide) + alkali (caustic soda or soda ash), but many domestic dyeing factories do not use soaping agent. Soaping agent: non-ionic surface active agent, which is conducive to dissolving and dispersing floating color and preventing re-staini

1. Reductive cleaning under alkaline conditions:Soaping agent + reducing agent (sodium sulfide or thiourea dioxide) + alkali (caustic soda or soda ash), but many domestic dyeing factories do not use soaping agent.Soaping agent: non-ionic surface active agent, which is conducive to dissolving, disper