Method for preparing Ca-Zn composite heat stabilizer
A heat stabilizer and calcium-zinc composite technology, which is applied in the field of preparation of calcium-zinc composite heat stabilizers, can solve the problems of product post-processing difficulties, catalysts cannot be removed, and product appearance quality is poor, so as to avoid post-processing steps, oxidation less, better results
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Embodiment 1
[0029] 1. Turn on the steam in the kneading pot. After preheating for 15 minutes, add 826.8KG of stearic acid measured, turn on two horizontal stirring paddles, control the stirring speed at 30-80 rpm, and then add 46.8KG of calcium oxide, Zinc oxide 63.8KG, after the feeding is completed, start to heat up, the temperature rises to 120 ℃, and the reaction is qualified for 40 minutes.
[0030] 2. Add 7.71KG of ammonia water for modification to the product obtained in the previous step, 10KG of glyceryl monostearate, C 16 -C 18 60KG of natural fatty alcohol (stearic acid has been put in at the same time as feeding for the first time), put in 300KG of hydrotalcite, keep warm for 20 minutes, and continue to put in the rest of the auxiliary raw materials: 90KG of pentaerythritol, 270KG of polyethylene wax, 120KG of paraffin wax, stearyl benzyl Acyl methane 60KG, heat preservation and stirring for 40 minutes after completion.
[0031] 3. Turn on the cooling slicer corresponding to...
Embodiment 2
[0033] 1. Turn on the steam in the kneading pot. After preheating for 15 minutes, add 738.5KG of stearic acid that has been measured, turn on two horizontal stirring paddles, and then add 41.0KG of calcium oxide and 65.8KG of zinc oxide at the same time. After feeding, start to heat up , the temperature rises to 120°C, and the reaction is qualified for 40 minutes.
[0034] 2. Add glyceryl monostearate 30KG, C for modification in the product obtained in the previous step16 -C 18 50KG of natural fatty alcohol (stearic acid has been put in at the same time as the first feeding), put in 300KG of hydrotalcite, keep warm for 20 minutes, and continue to put in the rest of auxiliary raw materials: 90KG of pentaerythritol, 200KG of polyethylene wax, 120KG of paraffin wax, 60KG of oxidized polyethylene wax , stearyl benzoyl methane 60KG, after the completion of the insulation and stirring for 40 minutes.
[0035] 3. Turn on the cooling slicer corresponding to the kneading pot, turn on ...
Embodiment 3
[0037] 1. Turn on the steam in the kneading pot. After preheating for 15 minutes, add 664.8KG of stearic acid that has been measured, turn on two horizontal stirring paddles, and then add 46.8KG of calcium oxide and 39.9KG of zinc oxide at the same time. After feeding, start to heat up , the temperature rises to 120°C, and the reaction is qualified for 40 minutes.
[0038] 2. Add 7.71KG of ammonia water for modification, 10KG of glyceryl monostearate, C 16 -C 18 30KG of natural fatty alcohol (stearic acid has been put in at the same time as feeding for the first time), put in 270KG of hydrotalcite, keep warm for 20 minutes, and continue to put in the remaining auxiliary raw materials: 9KG of triphenyl phosphite, 90KG of pentaerythritol stearate, polyethylene 180KG of wax, 100KG of paraffin wax, 60KG of paraffin wax, 80KG of stearyl benzoylmethane, and keep stirring for 40 minutes after completion.
[0039] 3. Turn on the cooling slicer corresponding to the kneading pot, turn...
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