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The surface charge density of cationic silica sol can be controlled by introducing different types of cations and adjusting their concentrations. For example, by introducing cations such as Al3+ and F......
2025-01-09The performance regulation of cationic silica sol is mainly achieved by adjusting its surface charge density and pore size. These performance parameters have an important influence on the adsorption p......
2025-01-09The reverse microemulsion method is a method for preparing silica sol by dissolving the silicon source in the oil phase, then adding a surfactant and an aqueous phase to form a reverse microemulsion, ......
2025-01-08The sol-gel method is a method of dissolving a silicon source in a solvent, then performing hydrolysis and polycondensation to form a sol, and then obtaining a gel by drying and heat treatment. When p......
2025-01-08The preparation methods of cationic silica sol mainly include hydrothermal method, sol-gel method and reverse microemulsion method. These methods have their own advantages and disadvantages, and the s......
2025-01-08Cationic silica sol is a nanomaterial with high surface area and microporous structure. Due to its good adsorption performance and chemical stability, it has broad application prospects in the fields ......
2025-01-08As a key material in high-tech fields, electronic grade silica sol has shown broad application prospects in semiconductors, pharmaceutical industry, cosmetics and many industrial fields. With the cont......
2025-01-07The working principle of electronic grade silica sol is mainly based on its unique physical and chemical properties. Its high specific surface area and pore structure give it excellent adsorption perf......
2025-01-07Semiconductor industry: In the semiconductor manufacturing process, electronic grade silica sol can be used as an important component of polishing liquid, etching liquid and cleaning agent. Its high p......
2025-01-07There are various methods for preparing electronic-grade silica sol, the most common of which include sol-gel method and ion exchange method. The sol-gel method prepares high-purity silica sol through......
2025-01-07Electronic grade silica sol has significant characteristics such as high purity, high molecular weight and stable chemical properties. Its purity is usually higher than 99.99%, and can even reach 99.9......
2025-01-06As an important inorganic material, silica sol has shown a wide range of application prospects in many fields due to its unique physical and chemical properties. In particular, electronic grade silica......
2025-01-06The sol-gel and gel drying stages of the investment shell do not proceed sequentially but occur simultaneously or overlap, leading to phenomena such as creep due to uneven stress distribution within t......
2025-01-06FD Type I fast-drying silica sol, after being aluminum-modified, can shorten the gelation time. During the drying process of the gel, due to the high supersaturation of SiO2 colloidal particles, a lar......
2025-01-06Capillary contraction force is proportional to the surface tension of the liquid. In silica sol-type shells, the liquid in the capillary pores is mainly water. In ethyl silicate-type shells, the liqui......
2025-01-03
