Li-yin Bao, Rong-chun Xiong, Wen Zhang, Gang Wei. Electrochemical Synthesis of Phenol-aniline Copolymerization Coating on 304 Stainless Steel Anodes and Coating Microstructure Analysis[J]. Chinese Journal of Chemical Physics , 2011, 24(1): 55-64. doi: 10.1088/1674-0068/24/01/55-64
Citation: Li-yin Bao, Rong-chun Xiong, Wen Zhang, Gang Wei. Electrochemical Synthesis of Phenol-aniline Copolymerization Coating on 304 Stainless Steel Anodes and Coating Microstructure Analysis[J]. Chinese Journal of Chemical Physics , 2011, 24(1): 55-64. doi: 10.1088/1674-0068/24/01/55-64

Electrochemical Synthesis of Phenol-aniline Copolymerization Coating on 304 Stainless Steel Anodes and Coating Microstructure Analysis

doi: 10.1088/1674-0068/24/01/55-64
  • Received Date: 2010-11-06
  • Electrochemical copolymerization of phenol and aniline was achieved on 304 stainless steel anodes in neutral water solution with an electrolyte of Na2SO4O4. Compared with pit corro-sion potential of different copolymer coatings, the best solution composition was 0.09 mol/L phenol and 0.01 mol/L aniline. Through infrared spectrum analysis, polyaniline structure was proved in phenol-aniline copolymer, as well as more side chains. Scanning electron mi-croscope was used to analyze microstructure of copolymer coating, taking advantage of part solubility of phenol-aniline copolymer in tetrahydrofuran, the bifurcate network structure was observed. The copolymer coating microstructure was summarized, compared with the performance of polyphenol coatings, the reasons of corrosion resistance enhancement with the addition of aniline in electropolymerization reaction was assumed as well.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Electrochemical Synthesis of Phenol-aniline Copolymerization Coating on 304 Stainless Steel Anodes and Coating Microstructure Analysis

doi: 10.1088/1674-0068/24/01/55-64

Abstract: Electrochemical copolymerization of phenol and aniline was achieved on 304 stainless steel anodes in neutral water solution with an electrolyte of Na2SO4O4. Compared with pit corro-sion potential of different copolymer coatings, the best solution composition was 0.09 mol/L phenol and 0.01 mol/L aniline. Through infrared spectrum analysis, polyaniline structure was proved in phenol-aniline copolymer, as well as more side chains. Scanning electron mi-croscope was used to analyze microstructure of copolymer coating, taking advantage of part solubility of phenol-aniline copolymer in tetrahydrofuran, the bifurcate network structure was observed. The copolymer coating microstructure was summarized, compared with the performance of polyphenol coatings, the reasons of corrosion resistance enhancement with the addition of aniline in electropolymerization reaction was assumed as well.

Li-yin Bao, Rong-chun Xiong, Wen Zhang, Gang Wei. Electrochemical Synthesis of Phenol-aniline Copolymerization Coating on 304 Stainless Steel Anodes and Coating Microstructure Analysis[J]. Chinese Journal of Chemical Physics , 2011, 24(1): 55-64. doi: 10.1088/1674-0068/24/01/55-64
Citation: Li-yin Bao, Rong-chun Xiong, Wen Zhang, Gang Wei. Electrochemical Synthesis of Phenol-aniline Copolymerization Coating on 304 Stainless Steel Anodes and Coating Microstructure Analysis[J]. Chinese Journal of Chemical Physics , 2011, 24(1): 55-64. doi: 10.1088/1674-0068/24/01/55-64

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