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Citation: GAO Xian-Ying, LI Zhong-Hua, TIAN Qiu-Ping, HOU Yan-Qing, LONG Guang-Dou. Synthesis and Properties of Polystyrene-acrylate Emulsion Modified by Organic Fluorine[J]. Chinese Journal of Applied Chemistry, ;2009, 26(1): 108-111. shu

Synthesis and Properties of Polystyrene-acrylate Emulsion Modified by Organic Fluorine

1.
College of Chemistry, Huazhong Normal University, Wuhan 430079

Corresponding author: LI Zhong-Hua,
Received Date: 10 December 2007
Available Online: 5 March 2008

An organic fluorine modified polystyrene-acrylate emulsion was synthesized by a semi-continuous process with fatty alcohol poly(oxyethylene ether)/sodium dodecyl sulfate/Non-ionic fluorine containing surfactant(OP-10/SDS/DF-10) as an emulsifier system.The structure and latex particles of the copolymers were characterized by IR and TEM.The influence factors including the content of fluorine-containing methyl acrylate and fluorocarbon surfactants on the emulsion were investigated.The effects of the factors on the rate of monomer conversion and the stability of the emulsion were also studied.It was shown that the rate of monomer conversion was 99.6% when the polymerization temperature was 75～80 ℃ and the reaction time was 4.5～5 h when the mass fraction of organic fluorine was only 0.67% and that of DF-10 was 1.35%.
- polystyrene-acrylate emulsion,
- fluorine-containing methyl acrylate,
- fluorocarbon surfactant,
- rate of monomer conversion,
- rate of water absorption
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