DISPERSAL AND CORROSION INHIBITION PERFORMANCES OF A HYDROLYTIC POLYMERIZD MALEIC ANHYDRIDE

Effects of temperature,pH value of aqueous solution and the concentration of HPMA and permeat agent on corrosion inhibition and dispersal properties of HPMA were studied by method of weight loss.The result indicates that the corrosion inhibition efficiency was 69.3% when the concentration of HPMA was 5.0 mg/L and permeate agent was 0.5 mg/L.Dispersal ability of water solution increased considerably with the increase of HPMA concentration and decreased with the increase of Ca 2+ concentration.The addition of permeat agent can improve the dispersal property of HPMA.The optimum dispersal characteristics of water solution was that the concentration of HPMA was 10.0 mg/L,the concentration of permeate agent was 1.0 mg/L,the temperature was 20℃ and the pH value was 6～9.