White latex production method
1. Mix dibutyl phthalate with octanol according to the amount of the formulation, and stir to dissolve.
2. Add water to the vessel, heat to 70 ° C, add polyvinyl alcohol under stirring, raise the temperature to 90 ° C, and keep warm until all dissolved. After the dissolution, the heating was stopped to lower the temperature to 66 to 69 ° C, and vinyl acetate was added under stirring.
3. The solution prepared in the step (1) is added to the solution prepared in the step (2), and finally ammonium persulfate is added, stirred and uniformly mixed, and emulsion polymerization is carried out at 66 to 69 ° C to obtain a white latex.
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