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Shanghai Deborn Co., Ltd.

Optical Brightener, Optical Brightener Dbl, Hydrazine Sulfonate manufacturer / supplier in China, offering Optical Brightener Dbl, Polyaldehyde Resin A81 Used Coating Industry, Printing Ink Industry  , Photoinitiator 907 Highly Efficient Photoinitiator and so on.

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Optical Brightener Dbl

FOB Price: Get Latest Price
Min. Order: 25 Kg
Payment Terms: L/C, T/T, D/P
Basic Info
  • Kind: Optical Brightener
  • Application: Post-Processing Auxiliary
  • Ionicity: Anion
  • Appearance: Liquid
  • Color: Yellow
  • Dyeing Shade: Neutral
Product Description
CHEMICAL STUCRTURE
Hydrazine sulfonate derivatives
 
PROPERTIES
Appearance Yellow liquid    
IonicityAnion
Dyeing shade    Neutral
 
APPLICATION
It's suitable for Optical Brightening Agent for nylon and cotton. Its high light fastness is around 5 grades. It's for exhaustion and padding process.

PROCESS METHOD
1. Exhaustion process for nylon:
A. Na2SO4 bath:
Dosage: DBL 0.5-1.5% o.w.f; Detergent: 0.5-1.0 g/l;
Na2SO4:2-3g/l; Acetic acid adjusted PH=4-6; Temperature: 80-130ºC;
Time:20-30min;
B. Sodium Chorite bath:
Dosage: DBL 0.5-1.5% o.w.f; Detergent: 0.5-1.0 g/l;
NaNO3:2-3 g/l; Sodium chlorite:3-8g/l;Complexing agent: 0.5-1.0g/l;
Temperature: 90ºC; Time:30-40min;
2. Padding process for nylon:
Dosage: DBL 8-30 g/l;Levelling agent: 1-2 g/l; Fixing agent:
5-10 g/l;Temperature: 20-60ºC; Dip&squeeze: pick up 80-100%,
baking under 105ºC.
3. Dyething method for cotton:
Dosage: H2O2 50% or 35% g/l, stabilizer 1g/l, NAOH 98% 0.6g/l,
Bath rate: 20.
Detailed process is according to customer's request.
 
STORAGE & PACKING
Sealed in storage, keeping date is 12 months under room temperature.
25kg plastic drums or as per customer's request.
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