Citation: Yun Shen Chen, Ji Shuai Wang, Zhao Sheng Hou, Cheng You Kan. Preparation of polymeric microspheres with high content of sulphonate groups[J]. Chinese Chemical Letters, ;2010, 21(2): 234-236. doi: 10.1016/j.cclet.2009.08.016 shu

Preparation of polymeric microspheres with high content of sulphonate groups

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

Received Date: 1 June 2009

Poly(styrene-co-sodium styrene sulphonate)(P(St-NaSS))latex particles were prepared using the mixture of ethanol and water as continuous phase in the presence of surfactant by dispersion-emulsion combined polymerization.The influence of recipes on polymerization process as well as the content of sulphonate group in the purified products was investigated.Results showed that the copolymerization could be performed smoothly.When the mole ratio of NaSS/St/divinyl benzene(DVB)was 25/75/2 and the weight ratio of ethanol/water was 2/11,the product showed a low weight loss in methanol extraction purification,and the NaSS unit ratio in the purified product reached 20.6 tool%,which was close to its theoretical value of 24.9 mol%.
- Styrene,
- Sodium styrene sulphonate,
- Microspheres,
- Polymerization
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