Fluorescent whitening agent VBL in fluorescent cloth

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fluorescent fabric fluorescent fabric

The uses of fluorescent whitening agents in fluorescent fabrics: whitening of white cellulose fabrics, whitening of paper, brightening of colored cellulose fabrics, discharge printing, whitening of white ground, etc. Chemical composition of the fluorescent whitening agent in the fluorescent cloth: stilbene triazine derivative Appearance: light yellow powder Fluorescent hue of the fluorescent whitening agent in the fluorescent cloth: cyan light purple Solubility: soluble in more than 80 times the amount In soft water, there will be agglomeration when it starts to dissolve. After diluting it and stirring it thoroughly, a transparent solution can be obtained. The water for dissolution should be slightly alkaline or neutral. Ionization property: anionic property. Dye bath pH value: neutral or slightly alkaline, with PH=8~9 being more suitable. The stability of the fluorescent whitening agent in the fluorescent cloth: acid resistance to PH=6, alkali resistance to PH=10, hard water resistance to 300PPM, free chlorine resistance to 0.25%, and resistance to heavy metal ions such as iron and copper. Fluorescent whitening intensity: ≥100% of standard product Yellowing degree: similar to standard product Fineness: ≤10% (weight of residue passing through 180um sieve) Moisture content: ≤5% Water-insoluble impurity content: ≤ 0.5% Shelf life: sealed and protected from light, can be stored for 24 months. Application method of fluorescent whitening agent in fluorescent cloth: Saturation dosage: The dosage of higher whiteness is 0.6% (calculated based on the weight of the fabric), which is several times more than the general requirement. The usual dosage for fabrics is generally 0.1%-0.3% or 0.3-3G/L. Mixability: It can be mixed with anionic and nonionic surfactants, direct acidic and other anionic dyes, pigments, etc., but it is not suitable to be used in the same bath as the resin primary shrinkage synthesized by cationic surfactants.
：Textile

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