Preparation and characterization of KPS @ Ppy core–shell microcapsules with controlled release properties
2017
Microcapsules containing potassium peroxydisulfate as the core material and polypyrrole as the shell material were prepared by in situ interfacial copolymerization in O/W microemulsion. The encapsulation efficiency of potassium peroxydisulfate reached peak at 95% in the microcapsules. The controlled release time of potassium peroxydisulfate could be at 3–14 h from the microcapsules. The kinetic model of the controlled release was zero-order kinetic equation at 40 °C.
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