Substitution and Encapsulation - Micro- and nanoencapsulation

Lars Haahr Jepsen

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Substitution og indkapsling af kemiske stoffer

Substitution and Encapsulation - Micro- and nanoencapsulation

The Danish Technological Institute co-operates extensively with the industry, universities etc. on the development of new product or process competences, as well as process optimisation or trouble-shooting. Through focused research and development projects, generic technologies are developed, which are subsequently made available to small and medium-sized businesses.

Encapsulation is used mainly in the pharmaceutical industry, but it is increasingly employed in food and cosmetics technologies. However, the potential is even wider and includes  products ranging from medical devices and pesticides to paint, textiles and numerous consumer products.

You can achieve a multitude of effects by encapsulating a substance because you know where the substance is: you can control its release; protect the substance from light or reaction with other compounds and even change a liquid to a powder or vice versa. In other words, there are many opportunities to design a bespoke function for your process and product.

How can the Danish Technological Institute help you?

  • Encapsulation of substances in emulsions and liposomes
  • Encapsulation of substances in organic or inorganic polymers
  • Surface modification of powders for faster dissolution, improved dispersion properties etc.
  • Stabilisation of labile compounds towards e.g. light or oxidation
  • Controlled release and availability of substances
  • Protection of substances against effects and reactions with other compounds
  • Characterisation of physical properties of capsules
  • Characterisation of release properties of substances

Technologies

  • Spray drying of small batches in pilot scale (approx. 1-300 g)
  • Spray chilling of small batches in pilot scale (approx. 1-300 g)
  • Fluidised bed coating of powders (samples of 10 - 100 g)
  • Emulsion polymerisation
  • Polymer encapsulation
  • Release properties

Cases

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