The Application of Octadecylamine in Off-stream Protectants of Thermal Power Units in Power Station;

Study of Surface Layer Structure and Corrosion Resistance on Octadecylamine- treated Iron;

：The mild steel treated with octadecylamine （ODA） at high temperature in our experimental condition was studied by AC impedance and galvanostatic techniques． The experiments show the optimum concentration of ODA is around 25 mg／L． The results from ophenanthroline spectrophotometry is favorably consistent with those by AC impedance and galvanostatic techniques

Three derivatives of quaternary ammonium salts of ethanolamine were synthesized by the reaction of N methyldiethanolamine(MDEA) with benzyl chloride, lauryl bromide and octadecyl bromide , respectively.

Three derivatives of quaternary ammonium salts of ethanolamine were synthesized by the reaction of N,N-dimethyl ethanolamine with benzyl chloride, lauryl bromide and octadecyl bromide, respectively.

Application of ODA in Process of Chemical Cleaning;