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Article | REF: J2210 V2

Microencapsulation

Authors: Jean-Pierre BENOÎT, Joël RICHARD, Marie-Claire VENIER-JULIENNE

Publication date: June 10, 2013, Review date: November 29, 2018

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3. Mechanical processes

3.1 Fogging/drying process

The fogging/drying process is a continuous, single-step process that transforms an initial liquid formulation into a dry microparticulate form. The initial liquid formulation may consist of :

  • or a solution of active ingredient and coating material;

  • a dispersion of solid particles of active ingredient in a solution or emulsion of coating material;

  • or an emulsion of active material in a solution of coating material.

This process comprises the following four sequential steps:

  • nebulization of the initial liquid formulation...

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