Large-diameter paper tube adhesive and preparation method thereof
A paper tube glue, large-diameter technology, applied in the direction of monocarboxylic acid ester copolymer adhesive, adhesive additive, non-polymer adhesive additive, etc., can solve the problem of high moisture content, increase production cost, Reduce production efficiency and other problems, to achieve the effect of short initial sticking time, reduced glue consumption and low production cost
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Embodiment 1
[0026] Weigh 11 parts of vinyl acetate, 0.04 parts of methylol acrylamide, and 0.08 parts of acrylamide and mix them evenly to form a monomer mixture for later use; weigh 5 parts of polyvinyl alcohol (BF-05), 15 parts of kaolin, and 80 parts of deionized Add water, 0.3 parts of boric acid and 0.02 parts of tributyl phosphate into a four-necked round-bottomed flask with electric stirring, heat to 90°C, and stir for 2 hours in a water bath until completely dissolved to obtain a mixed solution 1; cool down the mixed solution 1 To 70°C, add 3% of the monomer mixture, 0.003 parts of ferrous sulfate and 0.1 part of disodium hydrogen phosphate to react for 30 minutes, and continue stirring for 1 hour to obtain mixed solution 2; the remaining 97% of the monomer mixture and 0.07 parts of persulfuric acid Ammonium was put into two constant pressure funnels respectively, and the constant pressure funnel was connected to the four-necked flask, and the monomer mixture and ammonium persulfat...
Embodiment 2
[0028] Weigh 10 parts of vinyl acetate, 0.01 part of methylol acrylamide, and 0.01 part of acrylic acid and mix them evenly to form a monomer mixture for later use; weigh 2 parts of polyvinyl alcohol (BP-05), 12 parts of calcium carbonate, and 72 parts of deionized Add water, 0.1 part of borax and 0.01 part of octanol into a four-necked round-bottomed flask, heat to 85°C, and stir for 3 hours in a water bath until completely dissolved to obtain a mixed solution 1; cool the mixed solution 1 to 78°C, and add 6% The monomer mixture, 0.001 part of ferrous ammonium sulfate and 0.05 part of sodium bicarbonate were reacted for 20 minutes, and the stirring was continued for 0.5 h to obtain mixed solution 2; the remaining 94% of the monomer mixture and 0.01 part of potassium persulfate were put into two In the constant pressure funnel, the constant pressure funnel is connected to the four-necked flask, and the monomer mixture and potassium persulfate are slowly added dropwise to the fou...
Embodiment 3
[0030] Weigh 13 parts of vinyl acetate, 0.07 parts of hydroxyethyl acrylate, and 0.16 parts of hydroxyethyl acrylate and mix them uniformly to form a monomer mixture for later use; weigh 8 parts of polyvinyl alcohol (BP-24), 16 parts of talcum powder, 90 parts Add deionized water, 0.4 parts of aluminum chloride and 0.04 parts of tributyl phosphate into a four-necked round-bottomed flask, heat to 95°C, and stir for 1 hour in a water bath until completely dissolved to obtain a mixed solution 1; cool the mixed solution 1 to 80°C, add 7% of the monomer mixture, 0.005 parts of sodium bisulfite and 0.2 parts of ammonium bicarbonate to react for 40 minutes, continue stirring for 1 hour to obtain mixed solution 2; add the remaining 93% of the monomer mixture and 0.15 parts of ammonium persulfate Put them into two constant pressure funnels respectively, connect the constant pressure funnel to the four-necked flask, slowly drop the monomer mixture and hydrogen peroxide into the four-neck...
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