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Microspheres and microcapsules, a survey of manufacturing techniques: Part III: Solvent evaporation
Author(s) -
Arshady Reza
Publication year - 1990
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760301506
Subject(s) - solvent , materials science , polyester , microsphere , polymer , evaporation , particle (ecology) , chemical engineering , solvent extraction , extraction (chemistry) , particle size , polymer science , nanotechnology , organic chemistry , composite material , chemistry , engineering , physics , oceanography , thermodynamics , geology
A methodological survey of microsphere formation and microencapsulation techniques based on solvent extraction/evaporation techniques is presented. Thus, basic features of solvent extraction and solvent evaporation processes, including droplet formation, droplet/particle stabilization, and solvent removal, are outlined. Preparation of a wide range of microspherical and microcapsular products based on biodegradable polyesters, polysaccharides, and nonbiodegradable polymers are discussed. Dependence of microcapsule characteristics on manufacturing parameters, as well as performance evaluation of microspherical and microcapsular products, are also briefly covered.