1results about How to "Mild ingredients" patented technology

The application discloses a kind of preparation methods and products of biological friendly spheroid-like trimanganese tetraoxide nanometer, it is related to functional nanometer material technical field;The application includes that manganese salt is mixed with ultrapure water and obtains manganese salt solution;Catalyst, modifier are added and stirred uniformly, catalyst is selected from monoethanolamine, diethanolamine, triethanolamine, modifier is selected from polyethylene glycol, sodium alginate and its derivative, chitosan and its derivative, water-soluble cellulose and its derivative;Basic solution and acidic solution are added dropwise to adjust the pH value of manganese salt solution, ultrapure water is added and stirred uniformly and poured into hydrothermal reaction kettle;Hydrothermal reaction kettle is placed in drying oven and heated to complete reaction to obtain trimanganese tetraoxide slurry;Filter, rinse and dry to obtain trimanganese tetraoxide powder product;The application effectively reduces the biological toxicity of trimanganese tetraoxide nanoparticle, meets the strict biomedical application requirement, preparation method is simple, process condition is mild, does not need expensive equipment, and cost is conducive to control.