Innovative one-step synthesis of hollow polymer particles by microsuspension polymerization of styrene and methyl acrylate with Mg(OH)2 as dispersant

Several methods consisting of two or multi-step processes have been so far proposed for the preparation of sub- and micrometer-sized hollow polymer particles. In this study, we proposed an innovative one-step synthesis of the hollow polymer particles by applying microsuspension copolymerization of s...

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Bibliographic Details
Published in:Colloid and polymer science 2017-04, Vol.295 (4), p.565-572
Main Authors: Yang, Zheng-kai, Wang, Zhou-lu, Mao, Ze-min, Li, Wei-shan, Zhou, Ying-jie, Liu, Xiang, Okubo, Masayoshi
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Complex Fluids and Microfluidics
Food Science
Nanotechnology and Microengineering
Original Contribution
Physical Chemistry
Polymer Sciences
Soft and Granular Matter
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Summary:Several methods consisting of two or multi-step processes have been so far proposed for the preparation of sub- and micrometer-sized hollow polymer particles. In this study, we proposed an innovative one-step synthesis of the hollow polymer particles by applying microsuspension copolymerization of styrene and methyl acrylate with Mg(OH) 2 as dispersant . In this method, Mg(OH) 2 acted not only as dispersant, which covered densely at the surface of the monomer droplets, but also caused hydrolysis reaction of MA unit within styrene-methyl acrylate copolymer particles during the polymerization due to giving alkaline pH in the aqueous medium. It is also important that methyl acrylates are predominantly polymerized over styrene at the initial stage of the microsuspension copolymerization.
ISSN:0303-402X
1435-1536
DOI:10.1007/s00396-017-4045-5