Preparation method of multi-component covering modified zinc oxide
A zinc oxide, multi-component technology, applied in the preparation of multi-component coated modified zinc oxide, in the field of rubber products such as tires, can solve the problems of affecting product performance, slow sublimation and volatilization, polluting the environment, etc., to achieve product stability High, no three waste discharge, long storage time
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Embodiment 1
[0050] 4kg solid content is 20% alkyd resin and 4kg solid content is 10% amino resin, 2kg solid content is 10% m-phenylenediamine m-PDA MPD to add in the mixing tank by metering tank, 5kg solid content is 10% % silica powder suspension was added to the mixing tank and mixed evenly for later use. Add 10kg of zinc oxide powder to the mixer in advance, then add the above mixed suspoemulsion into the zinc oxide powder and mix evenly. Use a kneader mixer to mix the above materials for 10 minutes, and then roll them through a double-roller rolling machine for 3 times. The distance between the rollers is adjusted in turn to 2.5mm for the first-stage rollers, 1.8mm for the second-stage rollers, and 1.3mm for the third-stage rollers. mm; After each rolling, carry out a break-up, and adjust the axis spacing in turn to adjust the axis spacing of the first level to 22mm, the second level to 19mm, and the third level to 15mm. After being dispersed, the mixed material is granulated by a sw...
Embodiment 2
[0052] Add 1 kg of acrylic resin with a solid content of 70% and 1 kg of amino resin with a solid content of 70% into the stirring tank through a metering tank, and add 4 kg of a silicon dioxide suspension with a solid content of 50% into the stirring tank and mix evenly for use. Add 10kg of zinc oxide powder to the mixer in advance, then add the above mixed suspoemulsion into the zinc oxide powder and mix evenly. Use a coulter mixer to mix the above materials for 30 minutes, and then roll them 5 times with a double-roller roller. The distance between the rollers is adjusted in turn to 2mm for the first-stage rollers, 1.5mm for the second-stage rollers, and 1.9mm for the third-stage rollers. , the distance between the 4th grade rollers is 0.8mm, and the 5th grade roller distance is 0.5mm; after each rolling, a dispersal is carried out, and the axial distance is adjusted in turn. The distance between the shattering axes of the first stage is 13mm, the distance between the shatt...
Embodiment 3
[0054] 3 kg of hydroxyacrylic resin with a solid content of 40% and 2.5 kg of amino resin with a solid content of 40% are added to the stirring tank through a metering tank, and 5 kg of a calcium carbonate suspension with a solid content of 20% is added to the stirring tank and mixed uniformly for use. Add 10kg of zinc oxide powder to the mixer in advance, then add the above mixed suspoemulsion into the zinc oxide powder and mix evenly. Use a ribbon mixer to mix the above materials for 20 minutes, and then roll them 7 times with a three-roller roller. The roller spacing is adjusted in turn to 2mm for the first-stage rollers, 1.5mm for the second-stage rollers, and 1.9mm for the third-stage rollers. mm, the distance between the rollers of grade 4 is 0.8mm, the distance between the rollers of grade 5 is 0.5mm, the distance between the rollers of grade 6 is 0.2mm, and the distance between the rollers of grade 7 is 0.1mm; after each rolling, it is broken up once, and the distance b...
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