A kind of preparation method of bulk zinc stearate
A technology of zinc stearate and stearic acid, which is applied in the field of preparation of massive zinc stearate, can solve the problems of small flakes, some micropowders, potential safety hazards in dust production, extrusion of flakes, etc., so as to reduce health effects. , and the effect of breakage, spontaneous combustion or reduction of the explosion index
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Embodiment 1
[0023] A preparation method of bulk zinc stearate, a, under normal pressure, 1400g stearic acid is dropped into the reaction kettle and heated to 130-160° C. After adding catalyst hydrogen peroxide 70g and zinc oxide 220g, the reaction is molten state for 90 minutes; B, add antioxidant 5g and stir for 5-20 minutes; c, add in the mold that is placed the polyethylene mesh skeleton in the molten zinc stearate that step b makes; D, make the required shape after cooling Zinc stearate in lumps.
Embodiment 2
[0025] A kind of preparation method of bulk zinc stearate, a, under normal pressure, 1400g stearic acid is dropped into reactor and be heated to 130-160 ℃, add catalyst sodium dihydrogen phosphate 60g and zinc oxide 210g reaction 100 minutes to be Molten state; b, adding antioxidant 4g and stirring for 5-20 minutes; c, adding in the molten zinc stearate that step b makes in the mold that is placed on the polyethylene wire mesh skeleton; d, obtained after cooling Zinc stearate blocks in desired shape.
Embodiment 3
[0027] A preparation method of bulk zinc stearate, a, under normal pressure, 1400g of stearic acid is put into the reaction kettle and heated to 130-160°C, then add 50g of catalyst citric acid and 220g of zinc oxide and react for 120 minutes to be in a molten state B, add antioxidant 6g and stir for 5-20 minutes; c, add in the molten zinc stearate that step b makes in the mold that is placed on polyethylene wire mesh skeleton; D, make desired shape after cooling Zinc stearate in lumps.
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