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INSOLUBLE IN ALKALI
- Ottopol K-21-30 and K-362 are Low molecular weight cationic acrylic resin solutions. It is suitable for use as a grinding vehicle for organic and inorganic pigments. Pigment concentrates can be let down with these resins to produce printing inks and coatings. A clear coating or overlay varnish may be formulated as well.
ALKALI RESISTANCE
- The dry resin is impermeable to alkali without the use of crosslinking agents. Inks and overlay varnishes for soap boxes and household paper towels will not be affected by the high pH of the detergent cleaner used with the paper towels.
ADHESION TO SUBSTRATES
- Their positive charge allows inks and coatings to have exceptionally good adhesion to plastic films: Mylar, PVC, and polystyrene. Adhesion to foil and other metallic surfaces is excellent.
DYE INKS
- Both products are effective solubilizers for oil soluble dyes and are compatible with basic dyes.
- Ottopol K-362 is a resin solution in water.
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PIGMENT CONCENTRATES
Materials Parts by Weight -1 Parts by Weight -2 Parts by Weight -3 Ottopol K-362 40 40 31 Water 30 30 19 Barium Lithol Red 20-4210* 30 Phthalocyanin 30 Titanium Dioxide 50 Total 100 100 100 Procedure: Place all components into a mill and grind until the appropriate gage reading is attained.
PIGMENT CONCENTRATES USING PRESSCAKES
Materials Parts by Weight -1 Parts by Weight -2 Ottopol K-362 40 30 Presscake Organic 50% 60 Presscake Inorganic 50% 70 Total 100 100 Procedure: Place all components into a container equipped with a high speed stirrer. Stir until desired gage reading is attained.
FLEXOGRAPHIC INKS
Materials Parts by Weight -1 Parts by Weight -2 Parts by Weight -3 Pigment Concentrate No. 1 40 Pigment Concentrate No. 2 40 Pigment Concentrate No. 3 50 Ottopol K-362 59 59 49 Perenol S-5 1 1 1 Total 100 100 100 Procedure: Place all components into a mixing tank and stir until homogeneous.
The above ink will have a viscosity of 500-800 cps and can be diluted with water at press site to desired viscosity. Pigment concentrates derived of presscakes can be used in the above formulations by following the respective numbers.
Properties
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