Spray drying is a widely used industrial process involving formation of solid particles from liquid feed, which has many applications in areas including food, pharmaceutical, ceramic, polymer, and chemical industries. In this present work, Resorcinol-Formaldehyde hollow polymer microspheres were synthesized using spray drying technique and particle size of hollow polymer microspheres was in the range of 2-10µm. To obtain desired properties of hollow polymer microspheres various operating parameters like flow rate and temperature, were optimized. This polymer microspheres have many practical applications in the drug delivery system, synthetic foams, catalysis, fillers etc.
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