Scouring Agent in Textile
Definition of scouring agent in textile
Scouring in textilerefers to a large number of auxiliaries with functions of emulsifying, penetrating, washing, dispersing and wetting in the scouring process before dyeing and printing, in order to remove oil stains and impurities from the textile fibers. The common scouring chemicalsinclude sizing agent, lubricating agent, oil stains agent, alkali-resistant agent, mercerizing agent, wax removing agent, penetrating agent and so on. The required property of scouring agent varies depending on materials, fabric structure, stains and applications.
Scouring agent is a non-toxic, tasteless, pollution-free white powder, soluble in water whose aqueous solution is alkaline, capable of cleaning, emulsification, dispersion, wetting, penetration and the pH buffering. It belongs to the inorganic alkali products, easily hygroscopic when placed in the air, sometimes there existing a little bit block, which is a normal phenomenon with no effect on quality.
To achieve the best scouring effect, the ideal scouring agent in textile should be with those characteristics:
(1) High temperature resistance and alkali resistance. The conventional continuous refining process temperature of cotton is usually higher than 95 °C. The concentration of caustic soda in dipping scouring agent is 40-60g/L (concentration of Supply tank is up to100-150g/L). It is required not to decompose or stratified under such conditions.
(2) Moistening the fabric uniformly and fastly Under normal temperature. Also required to be Alkali resistant chemically
(3) Good emulsifying effect: removed from the fabric by emulsifying the saponifying and cooking auxiliaries of the fiber.
(4) Having certain metal complexing ability, can be complexed with Ca^2, Mg^2 and other metal ions, can be removed from fabric and prevent the decomposing material from being redeposited onto the fabric.
(5) The refined agent is required for low - bubble.
(6) Biodegradable, and its decomposition is non-toxic.
Advantages of scouring agent in textile
Current Situation of Scouring Agent in Textile
At present, most of the refining agents in the market are mixed with anionic and nonionic surfactants. When the anionic surfactant and non-ionic surfactant were mixed, the cloud point of the system increased and the heating stability in the alkaline solution increased. After the combination of anion and non-ionic, the application effect is improved obviously, which shows the synergistic effect. Nonionic surfactants are dissolved in water by binding hydrogen atoms in their ether bonds to hydrogen atoms in water. The bonding force of hydrogen bonds is weak and gradually breaks with the increase of temperature. Therefore, the solubility of non-ionic surfactant in water gradually decreases, when reaching a certain temperature, it will be precipitated and turbid, then oil drift appears with the increase of temperature. In alkaline solution, the turbidity point ratio of non-ionic surfactant decreased obviously than that in aqueous solution, and the oil floating phenomenon appeared in alkaline solution for low cloud point non-ionic surfactant. After adding anionic surfactant in non-ionic surfactant, the turbidity point, oil floating point synchronously increases to reach a certain proportion, the solution exhibits the properties of ionic surfactant solutions. That is to say, the solubility increases with the increase of temperature, no turbidity point.
As a scouring agent in textile supplier, we are glad to draw your attention. For the better communications and cooperation, we are looking forward to your detailed requirements for your textile processing, and if necessary and for your convenience, you visiting to our factory is greatly welcomed and appreciated.
Low Temperature Scouring Agent in Textile HT-DJ133
[Main composition]-- Surfactant compound.[General properties]-- Appearance: colorless to pale liquid-- Ionicity: nonionic--pH: 3-5(1% solution)--Solubility: easily soluble in water--Stability: stable...view
Low temp scouring agent HT-DJ133 Price
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