Preparation and application potential of ultrafine magnesium hydroxide modified by in-situ silicone polyether
In the continuous progress of materials science, magnesium hydroxide is a multifunctional material, and the development of its surface modification technology is particularly critical. The preparation technology of in-situ modified ultrafine magnesium hydroxide by silicone polyether provides a new way to improve the functionality and application range of magnesium hydroxide.
Selection of raw materials and methods
Anhydrous magnesium chloride is used as the magnesium source, sodium hydroxide is used as the precipitant, and silicon polyether is used as the modifier to achieve in-situ surface modification of magnesium hydroxide through a specific chemical reaction process. Optimization of reaction conditions
The key to ensuring the modification effect is to precisely control the addition method, addition amount, reaction temperature and stirring speed of silicone polyether. For example, adding 3 grams of silicone polyether to every 100 grams of magnesium hydroxide, as well as a reaction temperature of 60°C and a stirring speed of 800 rpm are all the best conditions after optimization. Comprehensive improvement of performance
The modified magnesium hydroxide exhibits excellent filtration performance, with a filtration speed of 4.7910^-4m/s, significantly improving production efficiency. The improvement of surface properties and the significant increase in contact angle prove that the silicone polyether has successfully endowed magnesium hydroxide with stronger hydrophobicity. Structural analysis was performed by FT-IR and nanoparticle size and Zeta potential analyzers, confirming the adsorption of silicon polyether on the surface of magnesium hydroxide and the optimization of particle size and morphology. The improvement of thermal stability provides guarantee for the stability of magnesium hydroxide in high-temperature application environments. Expansion of application prospects
Silicon polyether in-situ modified ultrafine magnesium hydroxide is expected to play an important role in flame retardant materials, plastic and rubber fillers, coatings, catalyst carriers and other fields due to its improved hydrophobicity, thermal stability, and potential other functionalities. Through precise raw material selection and reaction condition optimization, the preparation technology of silicon polyether in-situ modified ultrafine magnesium hydroxide not only improves the performance of the material, but also provides the possibility of expanding its application areas. The versatility of this modified material indicates that while meeting the demand for high-performance materials in modern society, it will also promote technological progress in related industries.
With further research and application development on the performance of modified magnesium hydroxide, it is expected to bring more innovative results to the field of materials science and meet the market's continuous pursuit of high-efficiency and environmentally friendly materials.