135 Physical Encapsulation
Physical encapsulation, also known as mechanical encapsulation, refers to a type of encapsulation process in which no chemical reactions are involved.
Some commonly applied physical encapsulation methods include spray drying, spray cooling, coextrusion, fluidized-bed spray coating, spray freeze-drying, and pan coating.
- Spray drying Spray drying is one of the most widely used microencapsulation techniques, which was developed in the 19th century. It is a process where a liquid phase (emulsion, suspension, or solution) containing the core and the wall materials is forced to form droplets by an atomizer or a spray nozzle. The droplets are dried by the hot air, and solidified capsules ...
Get The Essential Handbook of Polymer Terms and Attributes now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
