A kind of preparation method of polyacrylamide emulsion with high solid content and low viscosity
A polyacrylamide, high solid content technology, applied in the fields of oil field chemicals and water treatment, can solve the problem of high viscosity of high solid content polyacrylamide emulsion products, and achieve the effects of reducing viscosity, reducing safety hazards and reducing freezing point.
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[0019] Add 138 kg of acrylamide, 360 kg of deionized water, and 202 kg of acryloyloxyethyltrimethylammonium chloride solution with a mass ratio of 80% in the preparation kettle, and stir evenly; add 250 kg of dearomatized solvent oil in the emulsification kettle , 30 kg of emulsifier, 400 g of azo initiator, and stir evenly; add the water phase prepared in the preparation kettle into the emulsification kettle for high-speed shear emulsification, and control the temperature of the system at 10-15°C. After the emulsification is completed, pass Use high-purity nitrogen to drive oxygen for 1 hour, keep stirring, and add a solution containing 150 grams of oxidant dropwise during the period. After passing nitrogen to remove oxygen, empty the circulating water bath, and slowly add reducing agent dropwise for 2 hours. Stop adding dropwise when the temperature rises to 40°C , and at the same time pass into a circulating water bath at 40°C, stop stirring, and let it stand for 1 hour. Whe...
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