VIOPHOR BAC-L
Chemical Sturcture : Benzimidazol derivative
Properties:
- Appearance : Slight brown liquid
- Lonicity : Cation
- PH : Approx. 4~6
- Dilution : Dilute easily in all proportions with water
- Stability to Hard water : Good
- Acids : Very Good
- Alkalis : Not Stable
- Chlorite : Very Good
- Hypochlorite : Very Good
- Hydrosulphite : Very Good
- Shade : Neutral to Bluish.
Application:
It’s suitable for Optical Brightening Agent for acrylic fabrics and di-acetate fibre. It’s for exhaustion and padding,less dosage can get excellent whiteness, the quality is counter of Uvitex BAC-L (Huntsman).
Process Method:
1. Acrylic fabrics on normal process:
Dosage: VIOPHOR BAC-L 0.2-2.0% o.w.f; Formic acid or acid oxalic adjusted PH=3.0-4.0; Temperature: 95-98°C; Time: 30-45min; Bath ratio: 1:10-40
2. Acrylic fabrics on hypochlorite process:
Dosage: VIOPHOR BAC-L 0.2-2.0% o.w.f; NAN03:1 -3 g/l; Formic acid or acid oxalic adjusted PH=3.0-4.0; NaCL02: 1-2 g/l; Temperature: 95-980; Time: 30-45 min; Bath ratio: 1:10-40
3. Acrylic & wool blends process:
A. Peroxide bleaching: Dosage: H202(35%): 10-20 ml/l; Sodium phosate: 1 -2 g/I.Ciba Ultravon CN 1 -2 g/l adjusted PH=8-9; Temperature: 50-550; Time: 2-3 hours; Bath ratio: 1:10-40
B. Acrylic brightening:Dosage: VIOPHOR BAC-L: 0.5-2.0% o.w.f; Formic acid or acid oxalic adjusted PH=3.0-4.0; Temperature: 95-980; Time: 30 min; Bath ratio: 1:10-40 Detailed process is according to customer’s request.
Storage & Packing:
Sealed in storage, keeping date is 12 months under room temperature. 30kg /25kg plastic drum or as per customer’s request.