Microencapsulation via Interfacial Polymerization

Polymerization plays a key role in chemical microencapsulation. The basic mechanism of this method is to put a polymer wall (can be multilayer) through polymerization on a core material, which is in a form of small liquid droplets, solid particles, or even gas bubbles; or to embed the core material...

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Bibliographic Details
Published inHandbook of Encapsulation and Controlled Release pp. 321 - 330
Format Book Chapter
LanguageEnglish
Published CRC Press 2016
Subjects
Oil Phase
Microcapsule Wall
Jojoba Oil
Oil Droplet
Interfacial Polymerization Process
SPG
Microcapsule Shell
Via
Interfacial Polycondensation
Interfacial Polymerization
Emulsier Concentration
Suspension Polymerization
Carbonless Paper
Core Material
Polymer Wall
Microcapsule Size
Wall Ratio
Membrane Emulsication96
Small Liquid Droplets
Dispersion Polymerization
Surface Active Impurities
High Encapsulation Yield
MICROCAPSULE FORMATION
Emulsion Polymerization
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Summary:Polymerization plays a key role in chemical microencapsulation. The basic mechanism of this method is to put a polymer wall (can be multilayer) through polymerization on a core material, which is in a form of small liquid droplets, solid particles, or even gas bubbles; or to embed the core material in a polymer matrix through polymerization. Interfacial polymerization is one of the most important methods that have been extensively developed and industrialized for microencapsulation. According to Thies1 and Salaun,2 interfacial polymerization includes ve types of processes represented by the methods of emulsion polymerization, suspension polymerization, dispersion polymerization, interfacial polycondensation/polyaddition, and in situ polymerization. This chapter is only focused on interfacial polycondensation and polyaddition in a narrow sense of interfacial polymerization.
DOI:10.1201/b19038-22