Chinese Journal of Applied Chemistry

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (5): 89-91.

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Studies on Staining of Phosphate Film on Metal Surface Ⅱ.Effect of Staining Technology on Character of Coloured Phosphate Film

Wen Shaoguo1, Weng Zhixue1, Pan Zuren1, Huang Zhiming1, Lou Fenli2, Liu Hui2   

  1. 1. Institute of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027;
    2. Department of Material Science and Engineering, Zhejiang University, Hangzhou
  • Received:1996-12-11 Revised:1997-07-02 Published:1997-10-10 Online:1997-10-10

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Abstract: The relationship between the composition of water soluble acrylic copolymer(WSAC)resin, staining technology and character of the final coloured film have been investigated. It is found that an aqueous solution containing 8%～10% WSAC(Tg 34～39℃)and pigment in 1.1 times its effective concentration was rather reasonable. From this mixture a good corrosion resistant coloured phosphate film was prepared when it was macerated for 15～30 s and dried for 20～40 min at 60～80℃.

Key words: water soluble acrylic copolymer, coloured phosphate film, staining

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