Why modify the powder? Inorganic powders have hydrophilic and polar surfaces, but poor compatibility with organic matrices (plastics, rubber, resins). Direct use can lead to poor performance, so modification is necessary. (1) Improve dispersibility and prevent agglomeration. Inorganic powders with a large specific surface area are prone to agglomeration, which can lead to defects and a decrease in...
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The preparation of nanopowders is generally categorized into Physical Methods and Chemical Methods. Below is a detailed comparison list highlighting their characteristics: Comparison Table: Physical vs. Chemical Synthesis of Nanopowders Feature Physical Methods (Top-down) Chemical Methods (Bottom-up) Basic Principle Top-down: Bulk materials are broken down into nanoparticles using p...
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