9 апр. 2021 г. · 1. Caustic soda (NaOH): · 2. Sodium silicate: · 3. Wetting agent: · 4. Detergents: · 5. Chelating (sequestering agents): · 6. Builder (salt): · 7. |
Woven Fabrics: Desize, Alkali Scour, Bleach, Mercerize. CHEMICAL USED IN WET PROCESSING. 1. Detergent (Scouring and Wetting Agents). 2. Enzymes (Desizing ... |
1 июл. 2012 г. · 5. CHEMICALS USED IN SCOURING PROCESS Main chemicals Use Caustic soda Neutralize acidic materials, saponify glycerides (waxes and oil), ... |
Traditionally, a high temperature, high pH and alkaline chemicals are utilized for scouring of cotton fabrics, which has several disadvantages such as loss of ... |
Scouring chemicals for removing fats, wax and grease from natural fibres. The table below shows some of the chemicals used in the scouring process. 5 ... |
Polyester fibres, on the other hand, are relatively clean before wet processing, and a scour with detergent and sodium carbonate is usually sufficient to remove. |
Two important auxiliaries used in scouring are chelating agents and surfactants. Other auxiliaries that may sometimes be employed include antifoaming and anti- ... |
1 мар. 2010 г. · It is carried out by means of surfactants, detergents and emulsifying agents. To meet the requirements of a useful scouring process, various ... |
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