Preparation of Kettle Charge Add 11.4 parts of "Aerosol" A-103 surfactant and 5 parts of methanol to 92 parts of boiled, nitrogen purged water. Dissolve 1 part of potassium persulfate in 19 parts of water, add to the above solution and purge with nitrogen for 15 min. After purging, place solution in polymerization kettle and stir while heating to 60'C. Continue to purge with nitrogen while heating.