Method for preparing additive for zinc oxide resistance slice
A zinc oxide resistor sheet and additive technology, applied in resistor manufacturing, resistors, varistors, etc., can solve the problems of long process cycle, high labor intensity, and many equipment, and achieve short process cycle, low labor intensity, Efficient effect
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Embodiment 1
[0011] Bi 2 o 3 , Sb 2 o 3 , Mn 2 CO 3 、Cr 2 o 3 、Co 2 o 3 , SiO 2 According to the molar percentage respectively: 15.2mol%, 21.7mol%, 10.9mol%, 10.9mol%, 10.9mol%, 30.4mol% carry out batching, as raw material, add the water of 1.5 times of described raw material weight, stir in vertical Ball milling in the ball mill for 90 minutes; then in the pressure spray drying tower, the spray pressure is controlled to 1.5MPa, the inlet temperature is 380°C, and the outlet temperature is 130°C for drying; then it is calcined in a bowl, and the calcining curve is as follows figure 1 Shown; Finally, pass through 40 mesh sieves after crushing, secondary ball milling, get final product zinc oxide resistive film additive of the present invention.
Embodiment 2
[0026] Bi 2 o 3 , Sb 2 o 3 , Mn 2 CO 3 、Cr 2 o 3 、Co 2 o 3 , SiO 2 According to the molar percentage: 12.5mol%, 25mol%, 12.5mol%, 12.5mol%, 12.5mol%, 25mol%, the ingredients are carried out respectively, as the raw material, water of 1.1 times the weight of the raw material is added, and the mixture is carried out in a vertical stirring ball mill Ball milling for 90 minutes; then in the pressure spray drying tower, control the spray pressure to 1.3MPa, the inlet temperature is 250°C, and the outlet temperature is 100°C for drying; then it is calcined in a bowl, and the calcination curve is as figure 1 shown; finally, after crushing, pass through a 40-mesh sieve, and ball mill for the second time.
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