Synthesis of P(St-BA-MAA-SPAA) nano-latex and its application in high anti-corrisive coating

  • Liu Hai-feng  (刘海峰)Email author
  • Sheng Ming-shuang  (盛明爽)
  • Pan Zhao-ji  (潘肇基)
  • Qiu Da-jian  (邱大健)
  • Guo Zhi-hua  (郭志华)
  • Gan Fu-xing  (甘复兴)


A novel zinc-rich pigment based on P(St-BA-MAA-SPAA) nano-latex was obtained, which is suitable for the use in hot alkali liquid medium. The nano-latex was synthesized by active emulsifier latex polymerization method with monomers of styrene (St), butylacrylate (BA), methylacrylic acid(MAA) in the presence of active emulsifier 3-sulfopropylacrylate(SPAA). The synthesis condition and properties of the latex were investigated. And the anti-corrosive property of the resultant zinc-rich coating was studied. The results show that the nano-latex is self-stabilized and has a narrow particle diameter distribution, the average diameter of the latex particles is 71 nm. Zinc powders can be evenly dispersed in the nano-latex, which indicates that the P(St-BA-MAA-SPAA) nano latex can be used as the binder of zinc-rich coating. The resultant zinc-rich coating is able to resist the invasion of hot alkali solution(the temperature is 95 °C and the pH value is 14) for 480 h and the exposure time in salt spray is 1 200 h. Moreover, the coating shows good thermal conductivity and static electricity properties, its thermal conductivity and electric resistivity are 21–37 W/(m·K) and 6.7×105–3.5×106 Ω·cm, respectively.

Key words

latex polymerization active emulsifier nano latex anti-corrosive coating 


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Copyright information

© Published by: Central South University Press, Sole distributor outside Mainland China: Springer 2008

Authors and Affiliations

  • Liu Hai-feng  (刘海峰)
    • 1
    Email author
  • Sheng Ming-shuang  (盛明爽)
    • 1
  • Pan Zhao-ji  (潘肇基)
    • 1
  • Qiu Da-jian  (邱大健)
    • 1
  • Guo Zhi-hua  (郭志华)
    • 1
  • Gan Fu-xing  (甘复兴)
    • 1
  1. 1.College of Resources and Environmental ScienceWuhan UniversityWuhanChina

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