Optical Brightener Dbl for Nylon and Cotton

Color: Yellow
Kind: Optical Brightener
Appearance: Liquid
Application: Post-Processing Auxiliary
Ionicity: Anion
Dyeing Shade: Neutral
Customization:
Gold Member Since 2014

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Basic Info.

Model NO.
DBL
Transport Package
25kg/Barrel
Specification
98%
Trademark
DEBORN
Origin
China
HS Code
320420

Product Description

CHEMICAL STUC R TURE
Hydrazine sulfonate derivatives
 
PROPERTIES
Appearance  Yellow liquid    
Ionicity Anion
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. Na 2SO 4 bath:
Dosage: DBL 0.5-1.5% o.w.f; Detergent: 0.5-1.0 g/l;
Na 2SO 4:2-3g/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;
NaNO 3:2-3 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: H 2O 2 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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