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Citation: HAO Dong-Mei, LIU Cheng-Cen, SHI Kai, TANG Xiao-Zhen. Effect of Acid Treatment on the Preparation of Hollow Latex Particles[J]. Chinese Journal of Applied Chemistry, ;2000, 17(4): 447-449. shu

Effect of Acid Treatment on the Preparation of Hollow Latex Particles

a.
a. School of Chemistry and Chemical Technology, Shanghai Jiaotong University, Shanghai 200240;
b.
b. Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan

Received Date: 12 December 1999
Available Online: 2 February 2000

The styrene(St)-butyl acrylate(BA) copolymer was first prepared as seed emulsion and the final latex of St-BA-MA was then obtained from it with methyl acrylate(MA). The hollow polymer particles were obtained from poly(St-BA-MA) in the presence of dodecyl sulfonic sodium through alkaline and acid treatments. In this paper the effects of pH value, temperature and time of acid treatment on the hollow structure of polymer particles were investigated. The results showed that the largest hollow size can be obtained when acid treatment conditions were: pH 2.5, 85℃ and 3 hours.
- styrene-butyl acrylate-methyl acrylate copolymer,
- hollow polymer particle,
- morphology,
- acid treatment
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