A kind of powder grinding aid, its preparation method and application
A grinding aid and powder technology, which is applied in the field of new environmental protection powder grinding aids, can solve the problems of poor direct application effect and uneven dispersion of polymers, etc.
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Embodiment 1
[0022] A new type of environmentally friendly powder grinding aid, composed of the following raw materials: 40kg of diethanol monoisopropanolamine, 40kg of cetyl alcohol ester, 15kg of calcium lignosulfonate, 10kg of ethylene glycol, hydroxyethylmethyl Cellulose 8kg, sodium hexametaphosphate 12kg, sodium polyacrylate 5kg.
[0023] The preparation method of above-mentioned novel environment-friendly powder grinding aid comprises the steps:
[0024] (1) Diethanol monoisopropanolamine, cetyl alcohol ester, and calcium lignosulfonate in the above parts by weight are added to the reaction kettle, mixed evenly, and then, 2 times the weight of the The water of above-mentioned mixed material, mixes evenly;
[0025] (2) Add ethylene glycol, hydroxyethyl methylcellulose, sodium hexametaphosphate, and sodium polyacrylate into the reaction kettle, heat to 80°C, keep stirring for 30 minutes, cool down to room temperature, and adjust the pH value to 6.5 to prepare Get the finished product...
Embodiment 2
[0027] A new type of environmentally friendly powder grinding aid, consisting of the following raw materials: 50kg of diethanol monoisopropanolamine, 30kg of cetyl alcohol ester, 10kg of calcium lignosulfonate, 5kg of ethylene glycol, hydroxyethyl methyl Cellulose 4kg, sodium hexametaphosphate 8kg, sodium polyacrylate 2kg.
[0028] The preparation method of above-mentioned novel environment-friendly powder grinding aid comprises the steps:
[0029] (1) Add diethanol monoisopropanolamine, cetyl alcohol ester and calcium lignosulfonate in the above parts by weight into the reaction kettle, mix well, and then add 1 times the weight of The water of above-mentioned mixed material, mixes evenly;
[0030] (2) Add ethylene glycol, hydroxyethyl methylcellulose, sodium hexametaphosphate, and sodium polyacrylate into the reaction kettle, heat to 60°C, keep stirring for 60 minutes, cool down to room temperature, and adjust the pH value to 7.0 to prepare Get the finished product.
Embodiment 3
[0032] A new type of environmentally friendly powder grinding aid, consisting of the following raw materials: 45kg of diethanol monoisopropanolamine, 35kg of cetyl alcohol ester, 12kg of calcium lignosulfonate, 8kg of ethylene glycol, hydroxyethyl methyl Cellulose 5kg, sodium hexametaphosphate 10kg, sodium polyacrylate 3kg.
[0033] The preparation method of above-mentioned novel environment-friendly powder grinding aid comprises the steps:
[0034] (1) Diethanol monoisopropanolamine, cetyl alcohol ester, and calcium lignosulfonate in the above parts by weight are added to the reaction kettle, mixed evenly, and then 1.5 times the weight of The water of above-mentioned mixed material, mixes evenly;
[0035] (2) Add ethylene glycol, hydroxyethyl methylcellulose, sodium hexametaphosphate, and sodium polyacrylate into the reaction kettle, heat to 70°C, keep stirring for 45 minutes, cool down to room temperature, adjust the pH value to 7, and prepare Get the finished product.
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