Environment-friendly metal rust-removing spray liquid and preparation method thereof
A technology for spraying liquid and metal, which is applied in the field of environmentally friendly metal rust removal spray liquid and its preparation, which can solve the problems of toxicity and impact on human health, and achieve the effects of strong rust removal ability, safe and reliable use, and low equipment investment
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Embodiment 1
[0016] A kind of environment-friendly metal derusting spraying liquid, comprises the raw material composition of following parts by weight,
[0017] Organic acid 20kg, dextrin 20kg, sodium phosphate 8kg, deionized water 30kg, sodium tripolyphosphate 20kg, sodium benzoate 15kg, stearic acid 9kg, platinum trioxide 6kg, isopropanol 3kg.
[0018] Another object of the present invention is to prepare the method for environment-friendly metal derusting spraying liquid among the present invention, comprises the following steps:
[0019] a. Select a reaction kettle, add organic acid, dextrin, sodium phosphate and deionized water in the raw material, heat to 50-60°C, start stirring to make it completely dissolved;
[0020] b. Add sodium tripolyphosphate, sodium benzoate, platinum trioxide and isopropanol in the reaction kettle in step a, control the rotation speed to 30r / min, stir and react for 20min, and obtain a mixed solution for subsequent use;
[0021] c. Add the stearic acid in ...
Embodiment 2
[0023] A kind of environment-friendly metal derusting spraying liquid, comprises the raw material composition of following parts by weight,
[0024] Organic acid 25kg, dextrin 25kg, sodium phosphate 9kg, deionized water 35kg, sodium tripolyphosphate 25kg, sodium benzoate 20kg, active agent 10kg, platinum trioxide 7kg, isopropanol 4kg.
[0025] Another object of the present invention is to prepare the method for environment-friendly metal derusting spraying liquid among the present invention, comprises the following steps:
[0026] a. Select a reaction kettle, add organic acid, dextrin, sodium phosphate and deionized water in the raw material, heat to 50-60°C, start stirring to make it completely dissolved;
[0027] b. Add sodium tripolyphosphate, sodium benzoate, platinum trioxide and isopropanol in the reaction kettle in step a, control the rotation speed to 30r / min, stir and react for 20min, and obtain a mixed solution for subsequent use;
[0028] c. Add the sodium dodecylb...
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