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Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Textiles
We are manufacturer of OBA for Textiles
Optical Whitening Agents for Papers
We are manufacturer of OBA for Paper
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Viophor WS Liquid

liquid

Chemical Structure

 

Naphlen acetone derivatives

 

 

Appearance Yellow Liquid
Ionicity Cation
Dyeing shade Netural–Bluish
PH 3 (1% solution)

 

Application

It’s suitable for Optical Brightening Agent for wool, silk, feather and di-acetate fibre, also used for polyamide and vinylon, especially for fur whitening. Its water solution is excellent, good stability to acid & hard water. It’s for exhaustion and padding process, the quality is counter of  Leucophor WS (Clariant).

 

Process Method:

1. Wool process: the whiteness is bright with bluish green shade color.

Dosage: VIOPHOR WS LIQ 1.5 –1.8%  o.w.f; Temperature: 40-60℃; 

Time:30-60min; Bath ratio: 1:50, PH=4.5-5.5.

 

2. Feather process: the whiteness is bright with bluish green shade color.

Dosage: VIOPHOR WS LIQ 0.8-0.10% o.w.f; Temperature: 25-50℃; 

Time:30-60 min; Bath ratio: 1:40; PH=5-6.

 

3. Silk process:

Dosage: VIOPHOR WS LIQ 1.5-1.8% o.w.f; Temperature: 50℃; 

Time:30-60 min; Bath ratio: 1:50; PH=4.5-6.

 

4. Di-acetate fibres: the whiteness is bright with reddish slightly, light fastness is lower.

Dosage: VIOPHOR WS LIQ  0.3-0.8% o.w.f; Temperature: 60-70℃; 

Time:30-60 min; Bath ratio: 1:50; PH=6. It may add some levelling agent O.

 

5. Polyamide and vinylon fabrics: the whiteness is bright with reddish slightly, light fastness is lower.

Dosage: VIOPHOR WS LIQ 0.6-2.5% o.w.f; Temperature: 40-80℃; 

Time:30-60 min; Bath ratio: 1:50; PH=4.5-6. It may add some levelling agent O.

 

Detailed process is according to customer’s request.

 

Storage & Packing

Sealed in storage, keeping date is 12 months under room temperature.

50kg  blue HDPE carboys or as per customer’s request.

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