Optical brighteners
Pretreatment
RUCO-BLANC ADA
Optical brightener
Field of application
Bluish brightener for cellulosic fibres
Properties
Bluish shade
High affinity
Stable to peroxide
Resistant to alkalis
Good light fastness
Very good wash fastness
Application
Peroxide bleach, HT-processes
Chemical basis
Stilbene derivative
Ionic character
Anionic
Form
Liquid
RUCO-BLANC ADE
Optical brightener
Field of application
Neutral to bluish brightener for cellulosic fibres and PA
Properties
Neutral to bluish shade
High affinity
Good light fastness
Very good wash fastness
Application
Peroxide bleach, reductive bleach
Chemical basis
Stilbene derivative
Ionic character
Anionic
Form
Liquid
RUCO-BLANC ADS
Optical brightener
Field of application
Neutral to bluish brightener for cellulosic fibres, PA, WO and SE
Properties
Neutral to bluish shade
Medium affinity
Good light fastness on PA and cellulose
High levelling power
Resistant to acids down to pH 5
Application
Peroxide bleach, reductive bleach, HT-processes, resin finishing
Chemical basis
Stilbene derivative
Ionic character
Anionic
Form
Liquid
RUCO-BLANC AMA
Optical brightener
Field of application
Neutral brightener for cellulosic fibres
Properties
Neutral shade
Medium affinity
Applicable in resin finishing liquors down to pH 5.0
Good light fastness
Application
Peroxide bleach, reductive bleach, HT-processes, resin finishing
Chemical basis
Stilbene derivative
Ionic character
Anionic
Form
Liquid
RUCO-BLANC ANF
Optical brightener
Field of application
Neutral to reddish brightener for cellulosic fibres
Properties
Neutral to reddish shade
Low affinity
Good light fastness
Stable in resin finishing liquors down to pH 1
Application
Pad process, resin finishing, dry and moist crosslinking processes
Chemical basis
Stilbene derivate
Ionic character
Anionic
Form
Liquid
RUCO-BLANC OAB
Optical brightener
Field of application
Slightly reddish brightener for PES
Properties
Slightly reddish shade
Also for sensitive articles made of textured PES
Develops at 160 °C
Application
Reductive bleach, HT-processes, thermosol processes
Chemical basis
Benzoxazole derivative
Ionic character
Non-ionic
Form
Liquid
RUCO-BLANC OBB
Optical brightener
Field of application
Bluish brightener for PES
Properties
Bluish shade
Sufficient resistance to acids and alkalis for the application in alkaline peroxide bleach and acid resin finishing baths
Suitable for use in peroxide and sodium hypochlorite bleaching liquors
Application
Peroxide bleach, reductive bleach, HT-processes, thermosol processes
Chemical basis
Benzoxazole derivative
Ionic character
Non-ionic
Form
Liquid
RUCO-BLANC OBI
Optical brightener
Field of application
Neutral to bluish brightener for PES
Properties
Neutral to bluish shade
Suitable for use in peroxide and sodium hypochlorite bleaching liquors
Application
Peroxide bleach, reductive bleach, HT-processes, thermosol processes
Chemical basis
Benzoxazole derivative
Ionic character
Non-ionic
Form
Liquid
RUCO-BLANC OCL
Optical brightener
Field of application
Bluish to violet brightener for PA and cellulosic fibres
Properties
Bluish to violet shade
High affinity on PA
Medium affinity for cellulosic fibres
Good washfastness
Good chlorinated water and sea water fastness
Application
Peroxide bleach, chlorite bleach, HT-processes, continuous processes
Chemical basis
Stilbene derivative
Ionic character
Anionic
Form
Liquid
Optical brighteners
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