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Preparation and Release Behavior of Polyelectrolyte Microcapsules

✍ Scribed by Zhang, Wei; Li, Qiu Jin; Gong, Ji Xian; Li, Hui Qin; Zhang, Jian Fei; Liang, Wan Hui; Xu, Juan; Huang, Chen Hong

Book ID
120508495
Publisher
Trans Tech Publications, Ltd.
Year
2012
Tongue
English
Weight
338 KB
Volume
627
Category
Article
ISSN
1662-8958

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## Abstract **Summary:** Reversible pH‐induced swelling of (PAH/PSS) polyelectrolyte microcapsules is accompanied by increased porosity, making them permeable to poly(acrylic acid) (PAA) at pH values higher than 11.2. This pH‐switchable permeability was used to encapsulate the polyanion in alkaline