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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 MST Liquid

liquid

MST LIQ FOR CELLULOSICS

 

(Optical brightener for cellulose & polyamide fiber )

 

Chemical Character : Stilbene derivative

 

Appearance : Brownish yellow Liquid

 

Ionic Character : Anionic

pH of 1.0% solution : 8.0 +/-1 1100/1150 g/l

Bulk Density : Hypochlorite bleach – Not Stable

Chlorite bleach – Not Stable

Peroxide bleach – Very Good

Hydrosulphite bleach – Very Good

Stability with electrolyte – Very Good

pH stability – 2.0 -12.0

Stability to alkali – Good 

Stability to water hardness – Good

 

Properties:

MST Liq. is an Optical brightener with a very low affinity and a brilliant white shade. Cotton fiber can be brightened with MST Liq in padding mangle procedure. Due to its stability in high-grade treatment liquors, MST Liq is suitable for neutral and highly acidic cross-linking procedures and finishing liquors.

 

Application Method:

MST Liq can be dissolved by pouring cold water over it. The diluted solutions or the prepared stock solutions must be protected from direct light.

 

Weighting finish

30 g/l to 80 g/l reactant resin

  1. g/l to 20 g/l Catalyst

0.5 g/l to 10 g/l MST Liq Impregnate, liquor pick-up: about 70%

Drying at 140C

 

For polyamide fiber

Exhaust method or application in the reductive bleach

0.1% to 1.0% MST liq

  1. g/l 6.0 g/l reducing agents 0.5% to 1.0% Acetic acid 30 minute at 98 C Treatment time rinse hot and cold.

 

NOTE: Our technical recommendations are believed to be correct. But suitability must be checked before individual application. We cannot accept any responsibility for application and process methods which are beyond our control.

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