Method for preparing strong-effect modified filler meiqiang powder
The technology of filler and magnesium strong powder is applied in the field of preparation of strong modified filler magnesium powder, which can solve the problems of high price of finished magnesium powder and difficulty in realizing the physical properties of filling products, and achieves remarkable thickening effect, Excellent suspension and rheological properties, reducing sag and sedimentation
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[0021] Example 1
[0022] A method for preparing powerful modified filler magnesium strong powder. The process of the method is as follows: take raw materials lightly burnt magnesia powder and talc powder, the original powder is in a proportion by weight, 40 parts lightly burnt magnesium powder, and 60 parts talc powder After the weighing is accurate, put it into the high-speed mixer for heating and stirring, the temperature is controlled below 100 ℃, while spraying the surface treatment reagent; the surface treatment reagent refers to a silane coupling agent, stearic acid One or two combinations, the added amount is 0.3-0.5% of the total weight of light burnt magnesia powder and talc powder.
Example Embodiment
[0023] Example 2
[0024] A method for preparing powerful modified filler magnesium powder. The process of the method is as follows: take raw materials lightly burnt magnesia powder and talc powder, the original powder is in proportion by weight, 70 parts lightly burnt magnesium powder, and 30 parts talc powder After the weighing is accurate, put it into the high-speed mixer for heating and stirring, the temperature is controlled below 100 ℃, while spraying the surface treatment reagent; the surface treatment reagent refers to a silane coupling agent, stearic acid One or two combinations, the added amount is 0.3-0.5% of the total weight of light burnt magnesia powder and talc powder.
Example Embodiment
[0025] Example 3
[0026] A method for preparing powerful modified filler magnesium strong powder. The process of the method is as follows: take raw materials lightly burnt magnesia powder and talc powder, the original powder is in proportion by weight, 50 parts lightly burnt magnesium powder, and 50 parts talc powder After the weighing is accurate, put it into the high-speed mixer for heating and stirring, the temperature is controlled below 100 ℃, while spraying the surface treatment reagent; the surface treatment reagent refers to a silane coupling agent, stearic acid One or two combinations, the added amount is 0.3-0.5% of the total weight of light burnt magnesia powder and talc powder.
[0027] The performance indicators of the light burnt magnesia powder, talc powder and strong magnesium powder in the above examples are as follows:
[0028] The performance indicators of light burned magnesia powder are as follows:
[0029] Physical properties: white amorphous powder, odorles...
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