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.