VIOPHOR BMB LIQUID:
An urea free Fluorescent Brightener for Textiles and Paper Industries.
VIOPHOR BMB is a fluorescent brightener which yields outstanding white effects with a brilliant neutral to bluish white shade on celluloses materials.
1. Physical Appearance : Light brown/Yellow liquid
2. Chemical Constitution : Stilbene derivative.
3. C.I. No. : Brightener 336
4. Ionic Nature : Anionic.
5. Solubility in Water : Soluble in all proportion in water.
6. pH of 10% Aqueous Soln. : 8-10
7. Shade : Neutral to bluish.
8. Application : Suitable for cellulose fabric in pad and exhaustion treatment.
9. Doses : 0.1 to 0.8 % on the weight of dry fabric.
10. Compatibility : Not compatible cationic auxiliaries.
11. Stability in the liquors :
i) Hypochlorite bleaching liquors – Not stable
ii) Sodium chlorite bleaching liquors – Not stable
iii) Peroxide bleaching liquors – Good
iv) Reductive bleaching liquors – Good
(hydrosulphite-based)
v) Acids – Below pH-4.5 not stable
vi) Alkali – Good
12.Stability on fabric :
i) Hypochlorite bleaching liquors – Good
ii) Sodium chlorite bleaching liquors – Not stable
iii) Peroxide bleaching liquors – Good
iv) Reductive bleaching liquors – Good
(hydrosulphite-based)
v) Acids – below pH-3.5 – Not stable
vi) Alkali – Good
13. Fastness properties :
i) Light fastness – 3-4
ii) Washing fastness in water – 4
iii) Washing fastness in mech. 40OC – 5
iv) Washing fastness in mech. 60OC – 4-5
v) Washing fastness in mech. 95OC – 4
vi) Washing fastness Sea water – 5
14. Storage stability : Stable if stored away from sunlight under roof in cool conditions.
15. Toxicology & Ecology : VIOPHOR BMB doesn’t yield any special hazard when used for the recommended applications provided the usual preliminary safety and hygiene rules for handling chemicals are observed.