Urea resin wet strength agent and preparation method thereof
A technology of urea-formaldehyde resin and wet strength agent, which is applied in the field of wet strength agent and its preparation, can solve the problems of reduced strength, low wet strength tensile strength, and affecting the use of paper, so as to achieve the effect of expanding applications and improving physical properties
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[0011] Example 1
[0012] A method for preparing a urea-formaldehyde resin wet strength agent, the preparation method comprising the following steps: (1) Setting the temperature of a high-temperature reaction tank at 80°C, and adding 13kg of urea-formaldehyde resin and hydroxyethyl acrylate to the high-temperature reaction tank after the temperature is constant 4kg for alkyd resin, 10kg for alkyd resin, use a turbine mixer for turbine stirring, and stir until uniform; (2) Add 3kg of glutaraldehyde, 11kg of methyl stearate polyoxyethylene ether, and propylene glycol into the high-temperature reaction tank If it is 6kg, use the turbine to stir and carry out turbine stirring, and the turbine stirs until it is uniform; (3) Slowly add deionized water to the high-temperature reaction tank to 88kg, and perform turbine stirring at the same time, and then turbine stir for 2 hours after adding water; (4) Lower the temperature of the high-temperature reaction tank to 60°C and then stir i...
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[0013] Example 2
[0014] A method for preparing a urea-formaldehyde resin wet strength agent, the preparation method comprising the following steps: (1) Setting the temperature of a high-temperature reaction tank at 85°C, and adding 15 kg of urea-formaldehyde resin and hydroxyethyl acrylate to the high-temperature reaction tank after the temperature is constant 3kg for alkyd resin, 7kg for alkyd resin, use a turbine mixer for turbine stirring, and stir until uniform; (2) Add 6kg of glutaraldehyde, 9kg of methyl stearate polyoxyethylene ether, and propylene glycol into the high-temperature reaction tank If it is 8kg, use the turbine to stir and carry out turbine stirring, and the turbine stirs until it is uniform; (3) Slowly add deionized water to the high temperature reaction tank to 94kg, and perform turbine stirring at the same time, and then turbine stir for 2 hours after adding water; (4) Lower the temperature of the high-temperature reaction tank to 60°C and then stir it...
Example Embodiment
[0015] Example 3
[0016] A method for preparing a urea-formaldehyde resin wet strength agent, the preparation method comprising the following steps: (1) Setting the temperature of a high-temperature reaction tank at 90°C, and adding 17kg of urea-formaldehyde resin and hydroxyethyl acrylate to the high-temperature reaction tank after the temperature is constant 3kg for alkyd resin, 5kg for alkyd resin, use a turbine mixer for turbine stirring, and stir until uniform; (2) Add 5kg of glutaraldehyde, 7kg of methyl stearate polyoxyethylene ether, and propylene glycol into the high-temperature reaction tank If it is 4kg, use the turbine to stir and carry out turbine stirring, and the turbine stirs until it is uniform; (3) Slowly add 91kg of deionized water to the high-temperature reaction tank, and perform turbine stirring at the same time, and then turbine stir for 2 hours after adding water; (4) Lower the temperature of the high-temperature reaction tank to 60°C and then stir it ...
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