Polyepichlorohydrin-dimethylamine organic polymer coargulator and its preparation technology
A technology of polyepichlorohydrin and organic polymers, which is applied in the chemical field to achieve the effect of simple production process and good water treatment effect
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[0015] A polyepichlorohydrin-dimethylamine organic polymer flocculant, its appearance is light yellow or colorless liquid, the cationic degree is 5-6mmol / g, the solid content is 60%-70%, and the viscosity is 2800-3200mpa ·s.
[0016] The preparation technology of above-mentioned polyepichlorohydrin-dimethylamine organic polymer flocculant is:
[0017] (1) Take 89-91 g of dimethylamine solution with a mass percentage concentration of 33%, place it in a 150ml three-necked round-bottomed flask, and place the flask in an ice-water bath to cool down the dimethylamine solution to below 10°C;
[0018] (2) Add 73-75g of epichlorohydrin into the separatory funnel, turn on the cooling water of the reflux condenser, and add the epichlorohydrin dropwise to the cold dimethylamine solution for 1-2 hours while stirring , so that the temperature in the reactor is controlled at 10°C to 20°C;
[0019] (3) After the dropwise addition is completed, stir for another 30 minutes to make the temper...
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