Paper adhesive
A technology of facial tissue and ammonium persulfate, which is applied in the field of facial tissue glue, can solve the problems of harmful substances and substandard product quality, and achieve the effect of qualified product quality, reasonable proportion and high efficiency
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Embodiment 1
[0019] First add 712kg of water into the reactor, then add 100kg of polyvinyl alcohol, mix and stir for 1 hour, and the temperature rises to 95 degrees Celsius; add 3kg of oxalic acid to adjust the pH value to 2, then add 20kg of glyoxal for condensation reaction, and stir for 1 Hour, temperature keeps 92 degrees centigrade; Add temperature again and be 2kg of OP10 emulsifier of 50 degrees centigrade, add temperature and be 0.4kg of ammonium persulfate of 50 degrees centigrade; Add vinyl acetate 25kg again, heat up and keep at 72-75 degrees centigrade, stir; Add 1.6kg of ammonium persulfate and 125kg of vinyl acetate dropwise to the reactor for 2.5-3 hours; then add 10kg of starch, stir for half an hour, and keep the temperature constant; adjust the temperature in the reactor to 45 degrees Celsius, add small 1kg of soda is used to adjust the pH value to 5, and finally the machine is turned off and discharged. Product viscosity is 2500mps, pH value is 5, solid content is more t...
Embodiment 2
[0021] First add 680kg of water into the reactor, then add 100kg of polyvinyl alcohol, mix and stir for 1 hour, and the temperature rises to 95 degrees Celsius; add 5kg of oxalic acid to adjust the pH value to 2, then add 20kg of glyoxal for condensation reaction, and stir for 1 Hour, temperature keeps 92 degrees centigrade; Add temperature again and be the OP10 emulsifier 2kg of 50 degrees centigrade, add the ammonium persulfate 0.4kg that temperature is 50 degrees centigrade; Add vinyl acetate 30kg again, heat up and keep at 72-75 degrees centigrade, stir; Add 1.6kg of ammonium persulfate and 150kg of vinyl acetate dropwise to the reactor for 2.5-3 hours; then add 10kg of starch, stir for half an hour, and keep the temperature constant; adjust the temperature in the reactor to 45 degrees Celsius, add small 1kg of soda is used to adjust the PH value to 6, and finally the machine is turned off and discharged. The viscosity of the product is 4000mps, the pH value is 6, the soli...
Embodiment 3
[0023] First add 693kg of water into the reactor, then add 100kg of polyvinyl alcohol, mix and stir for 1 hour, and the temperature rises to 95 degrees Celsius; add 4kg of oxalic acid to adjust the pH value to 2, then add 20kg of glyoxal for condensation reaction, and stir for 1 Hour, temperature keeps 92 degrees centigrade; Add temperature again and be the OP10 emulsifier 2kg of 50 degrees centigrade, add the ammonium persulfate 0.4kg that temperature is 50 degrees centigrade; Add vinyl acetate 28kg again, heat up and keep on 72-75 degrees centigrade, stir; Add 1.6kg of ammonium persulfate and 140kg of vinyl acetate dropwise to the reactor for 2.5-3 hours; then add 10kg of starch, stir for half an hour, and keep the temperature constant; adjust the temperature in the reactor to 45 degrees Celsius, add small 1kg of soda is used to adjust the pH value to 5.5, and finally the machine is turned off and discharged. The viscosity of the product is 3000mps, the pH value is 5.5, the ...
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