Fluorescent Brightener Vbl C. I. 85 Fba for Paper and Cotton

• CAS No.: 12224-06-5
• Formula: C36h34n12na2o8s2
• EINECS: 241-883-4
• Environmental Protection: Yes
• Color: Slightly Yellow
• Kind: Whitening Agent
• Model NO.: OBA85
• Appearance: Powder
• Application: Whitening Agent for Paper, Cotton Fabric Cellulose
• H.S.Code: 32042000
• Transport Package: 25kgs 50kgs, 200kgs or 1100kgs Drum
• Specification: 100%~145%
• Trademark: AFINE
• Origin: China
• HS Code: 3204200000

Product Description

Fluorscent Brightener VBL

C.I.85
Chemical name: stibene derivative
Specification: Appearance: Slight yellow powder
              Fluorescent color: Similar to the standard sample
Whitening Strength: 100±3%
Moisture: 6% (max)
Fineness (80 mesh residue): 5% (max)
C.I.Number: 85
Property: 1.with bluish violet color
         2.Soluble in soft water as much as 80 times weight, 300ppm in hard water.
         3.Anionic types, alkali endurable, can be used in one bath of anionic and nonionic surfactant.
         4.To be unendurable ion of copper and iron, etc. Unsuitable to be used in cationic dyestuff and surfactant.
Application: 1. Whitening agent for cellulose base fiber and cotton fabric.
            2. Whitening agent for white pattern in discharge printing of cotton fabric.
            3. Brightening agent for light colored cellulose base fiber.

Process:

exhausting whitening process: 0.05 - 0.3%(O.W.F.), bath ratio: 1:5 - 1:30, temperature: 40 ~100ºC, Na₂SO₄: 0 - 10g/L, heating rate: 1-2 ºC/min keep the temperature at 50 -100ºC for 20 - 40min , then lower to 50 - 30ºC→wash→dry(100ºC) →setting(120ºC-150ºC)×1-2min(add proper amount leveling agent according to the leveling effect).
Padding Process: VBL:0.5-3g/L, residue liquor ration: 100%, one dip and nip →dry(100ºC) → setting(120-150ºC) ×1-2min.
* The information of our products is for reference only. We are not responsible for any unexpected results, or patent dispute caused by it.