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Kollicoat® IR Coating Systems
Influence of the manufacturing process on the performance...
Influence on instant release coated colored tablets
Influence on process time
ExAct 23 October 2009
Color Matching for Instant Release Coated Tablets
Colorfan Kollicoat® IR Coating Systems
Color matching (Kooperation X-Rite)
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The excellent product properties enable an easy scale up. The process parameter chart visualizes the robustness of a process by increasing or decreasing of product temperature at a certain spray process time. The dark green color in the process parameter chart indicates a large parameter range that will result in optimum film properties. As to the large parameter range the process is very robust. The film coating trials were performed with Kollicoat® IR Brilliant Blue in a Vector LDCS coating machine at 2kg batch size.
The very low viscosity as well as excellent wetting and adhesion to the tablet surface ensure that even your fine engravings are uniformly coated. No logo bridging occurs. The scanning electron micrograph belows shows a tablet coated with Kollicoat® IR White II at a coating level of 5 mg/cm2.
Kollicoat® IR leads to extremely flexible films. They are significantly more flexible than those made of a comparable PVA- or HPMC-based product. The high flexibility of the films ensures that they do not crack on the tablets. See for yourself the excellent flexibility of Kollicoat® IR films and click here!