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Environment, Energy and Sustainable Development – Sung, Kao & Chen (eds)
© 2014 Taylor & Francis Group, London, ISBN 978-1-138-00053-7
Preparation of PVAc spheres
Zheng-Yong Cheng, Ying Li, Bang-Gui He & Wen-Juan Gu
Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology,
Chenggong, Kunming City, China
Yunnan Province Engineering Research Center of Paper Packaging and Printing, China
ABSTRACT: Highly uniform polyvinylacetate particles of submicron size were prepared by dispersion
polymerization in mixed media of isopropanol and water initiated by redox initiator of NaHSO
3
and
K
2
S
2
O
8
using poly(N-vinylpyrrolidone) as stabilizer. Monomer conversion was studied gravimetrically.
Both the morphology and the ...