Ottopol K-23 is a cationic acrylic copolymer emulsion used for alkali resistance and adhesion to non-porous substrates. It is designed for use as a grinding and letdown vehicle for water-based flexographic and rotogravure inks. It is also suitable for use as an overprint varnish.
Function: Grinding Aid, Binder
Chemical Family: Acrylics & Acrylates
Compatible Substrates & Surfaces: Plastics, Paper, Textiles
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Technical Data Sheet
Ottopol K-23 Technical Data Sheet
Ottopol K-23 Technical Data Sheet
Technical Data SheetSafety Data Sheet
Ottopol K-23 Safety Data Sheet
Ottopol K-23 Safety Data Sheet
Safety Data SheetKnowde Enhanced TDS
Identification & Functionality
Carrier
Chemical Family
CASE Ingredients Functions
Technologies
Ottopol K-23 Features & Benefits
CASE Ingredients Features
Product Highlights
Cationic Emulsion
- Ottopol K-23 is an alkali resistant cationic acrylic copolymer emulsion. The emulsion characteristics provide higher solids and better gloss.
Alkali Resistance
- Unique to the graphic arts industry. Ottopol K-23 has excellent alkali and detergent resistance. Inks and coatings for soap boxes and paper towels will not be effected by the high pH content or detergent cleaners used with towels.
Adhesion to Dfficult Substrates
- Positive charge allows inks and coatings made with Ottopol K-23 to have exceptionally good adhesion to plastic films; Polyethylene, PVC, Polyester, and Polystyrene.
Product Attributes
- It is designed for use as a grinding and letdown vehicle for waterbased flexographic and rotogravure inks.
- It is also suitable for use as an overprint varnish.
- The emulsion characteristics provide higher solids and better gloss.
Applications & Uses
Coating Type
Ink & Toner Type
Formulations
Flexographic Inks
| Materials | Parts by Weight -1 | Parts by Weight -2 | Parts by Weight -3 |
| Ottopol K-21-30 | 20 | 20 | 15 |
| Water | 14 | 14 | 14 |
| Ba-Li Red | 15 | ||
| Phthalo Blue | 15 | ||
| TiO2 | 35 | ||
| Ottopol K-23 | 50 | 50 | 35 |
| Slip Additive | 1 | 1 | 1 |
| Total | 100 | 100 | 100 |
Procedure: Place all components into a mill and grind until the desired gage reading is attained.
Alkali Resistant Overprint Varnish
| Materials | Parts by Weight -1 | Parts by Weight -2 |
| Ottopol K-23 | 63 | 60 |
| Ottopol K-21-30 | 30 | 30 |
| Water | 6 | 3 |
| Cationic Wax Emulsion | 7 | |
| Slip Additive | 1 | |
| Total | 100 | 100 |
Procedure: Place all components in the order listed into a mix tank. Stir while adding the individual components. Continue stirring until the finished product is homogeneous
Important! Adjust pH of finished inks and coatings to 4.8 - 6.0 using acetic or formic acid.
Properties
Physical Form
Appearance
Specifications
| Value | Units | Test Method / Conditions | |
| Freeze Thaw Stability | 5 Cycles | - | - |
| Glass Transition Temperature | 26 | °C | - |
| pH | 5.0 - 6.0 | - | - |
| Solids Content | 41.0 - 43.0 | % | - |
| Specific Gravity | 1.073 | - | - |
| Viscosity | 200 - 500 | cps | - |
| Weight / Gallon | 8.95 | lbs | - |
Regulatory & Compliance
Chemical Inventories
Ottopol K-23
Gellner