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Citation: Tao Yingchu, Gu Zhimang, Zhang Xi. An Approach to Polyacrylonitrile Coating Formed by in-situ Electrochemical Polymerization on Aluminium[J]. Chinese Journal of Applied Chemistry, ;1998, 15(4): 21-24. shu

An Approach to Polyacrylonitrile Coating Formed by in-situ Electrochemical Polymerization on Aluminium

Department Of Environment Science, Wuhan University, Wuhan 430072

Received Date: 2 March 1998
Revised Date: 22 April 1998

Polyacrylonitrile coating was formed on aluminium cathode by in-situ electrochem-ical polymerization(ECP) at constant potential. The influences of supporting electrolytes, cell potential and monomer concentration on the performance and morphology of the coatings have been studied. The coatings in 10~15 pm thickness could be obtained at polymerization potential of 7.0 V for 3 h in 1~5 mol/L AN solution of aqueous DMF containing 0.05 mol/L AlCl₃ as supporting electrolyte. The morphology and structure of the coatings have been examined by SEM and FTIR. The mechanism of ECP has been discussed briefly.
- acrylonitrile,
- aluminium cathode,
- in-situ electrochemical polymerization
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