Easily dispersed aluminum phosphate film-wrapped powder and preparation method thereof
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A coated powder, easy to disperse technology, applied in chemical instruments and methods, inorganic pigment treatment, fibrous fillers, etc., can solve problems such as difficulty in ultrafine powder dispersion
Inactive Publication Date: 2006-12-13
张义纲 +1
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Embodiment 1
[0035] Take 100g of zinc oxide, add 0.82g of aluminum phosphate, 2.2g of aluminum dihydrogen phosphate, 1.6g of silicon dioxide, 0.16ml of hydrogen-containing polysiloxane, and 1.17ml of polyether-based polysiloxane with a concentration of 50%. Mixing, pulverization, depolymerization and coating, and drying at 110°C, the obtained product is used as a sunscreen in cosmetics.
Embodiment 2
[0037] Take 100g of aluminum hydroxide, add 0.5g of aluminum dihydrogen phosphate, and 0.2g of stearic acid, mix and pulverize at room temperature, depolymerize and coat, and dry at 150°C. The obtained hydrophobic product is used as an easily dispersible plastic flame-retardant filler. agent.
Embodiment 3
[0039] Take 100g of metal aluminum powder, add 6.5g of aluminum dihydrogen phosphate and 3g of aluminate coupling agent, mix and pulverize and depolymerize the coating at 50°C under nitrogen atmosphere, and dry at 110°C under nitrogen atmosphere to obtain hydrophobicity The product is used as a leafing aluminum powder pigment.
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Abstract
The invention provides the inorganic super fine with aluminum phosphate integument. The atom rate of aluminium and phosphor is 0.33:1-3:1; the powder surface can be carried out anchorage solvating chain segment; the powder comprises oxidate, hydroxy compound, microcosmic salt, metasilicate, aluminosilicate, clay mineralogy, silicides, nitride and metal dust. The invention also provides the dry-type preparing method. The integument powder can be used as coloring agent, strengthening agent, powdered material to be used in coating mixture, rubber, plastic, admixture, ceramics, paper and magnetic material.
Description
technical field [0001] The present invention relates to a superfine powder (refers to the powder with a diameter of less than 10 microns) and its preparation method (IPC classification C09C01) which is easily dispersed in the medium through surface modification, in particular to a powder with aluminum phosphate coating on the surface. Inorganic ultrafine powder easily and fully dispersed in the medium and its preparation method, also relates to the application of the powder as filler, reinforcing agent, colorant, rheological agent, adsorption carrier, powder material in ink, Paints, coatings, rubber, plastics, resins, sealants, adhesives, drilling mud, stationery, daily chemicals, paper, textiles, food, medicine, magnetic materials, electronic materials, electromagnetic wave shielding materials, artificial biological tissue middle. Background technique [0002] The smaller the particle size of the inorganic ultrafine powder, the more likely it is to agglomerate with each ot...
Claims
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Application Information
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