Citation: Ji-shuai Wang, Yang Hu, Jie Shen, Xin-yi Huang, Cheng-you Kan. A Novel Approach to Prepare Core/Shell Polymer Latex Particles with High Sulphonate Contents[J]. Chinese Journal of Polymer Science, ;2014, 32(5): 519-523. doi: 10.1007/s10118-014-1438-5 shu

A Novel Approach to Prepare Core/Shell Polymer Latex Particles with High Sulphonate Contents

1.
Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education, Tsinghua University, Beijing 100084, China

Corresponding author: Cheng-you Kan,
Received Date: 17 January 2014
Revised Date: 27 February 2014

Fund Project: This work was financially supported by the National Basic Research Program of China (No. 2014CB932202).

Crosslinked x-P(St-MAA) seed latex was first prepared via soap-free emulsion copolymerization of styrene (St) and methyl methacrylic acid (MAA) with divinyl benzene as crosslinker and ammonium persulfate as initiator, and x-P(St-MAA)/x-P(St-NaSS) core/shell latex particles were then synthesized through a novel seeded emulsion copolymerization of St and sodium styrene sulphonate (NaSS) in the presence of water-soluble crosslinker N,N'-methylene bisacrylamide (BAA) using oil-soluble 2,2-azobis isobutyronitrile as initiator. TEM observation indicated that narrow dispersed core/shell latex particles were obtained, and element analysis showed that NaSS unit content in the whole particle and in the shell reached 22.8 wt% and 51.2 wt%, respectively.
- Sulphonate-containing particles,
- Seeded emulsion polymerization,
- Morphology,
- Core/shell
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