Surfactant for emulsion polymerization, polymer emulsion composition obtained with the surfactant, and adhesive for fiber flocking comprising the composition
A surfactant and emulsion polymerization technology, applied in the direction of adhesive additives, polymer adhesive additives, fiber treatment, etc., can solve the problems of water resistance, firmness, transparency and physical strength reduction
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Synthetic example 1
[0045] 100.0 grams of butyl acrylate, 40.0 grams of methyl acrylate and 4.0 grams of acrylic acid were mixed to prepare an acrylate mixture, 226.9 grams of ion-exchanged water, 14.4 grams of acrylate mixture, each nonionic surfactant recorded in Table 1 ( A-1)~(A-9), (B-1)~(B-8) were added to a 500ml separating bottle according to the blending amount recorded in Table 1, and stirred at a rotation speed of 200rpm while stirring. Nitrogen was blown in for 30 minutes. Then, while stirring under a nitrogen atmosphere, 0.03 g of potassium persulfate and 0.02 g of sodium sulfite were added to raise the internal temperature to 55° C., and the temperature in this state was maintained. Next, if the internal temperature was kept constant at 55° C., 129.6 g of the remaining acrylate mixture was dripped over 180 minutes, and 12.4 g of 4% potassium persulfate aqueous solution and 8.7 g of 4% sodium sulfite aqueous solution were dripped over 200 minutes together. After dropping, keep the t...
Synthetic example 2
[0049] 120.0 g of styrene, 16.0 g of 2-hydroxyethyl methacrylate, and 4.0 g of 2-acrylamide were mixed to prepare a monomer mixture. 235.7 grams of ion-exchanged water, 14.4 grams of monomer mixture, each nonionic surfactant (A-9)~(A-15), (B-9)~(B-11) recorded in Table 2 according to the table Add the blending amount described in 2 into a 500ml separatory bottle, and blow nitrogen gas for 30 minutes while stirring at a rotation speed of 200rpm. Then, while stirring under a nitrogen atmosphere, 0.03 g of potassium persulfate was added to raise the internal temperature to 80° C., and the temperature in this state was maintained. Next, when the temperature in the bottle was kept constant at 80° C., 129.6 of the remaining monomer mixture was dropped every 180 minutes, and 12.5 g of a 4% potassium persulfate aqueous solution was dropped every 200 minutes. After dropping, keep the temperature in the flask at 80° C. for 40 minutes, finish the reaction, then cool to room temperature,...
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