By California Nanotechnologies Corporation
Cryomilling is a high-tech process that involves grinding materials at cryogenic temperatures using liquid nitrogen to enhance material properties, prevent oxidation, and achieve ultra-fine particle sizes. This technique is particularly beneficial for ductile metals, reactive alloys, polymers, pharmaceuticals, and food products that may degrade or become difficult to grind at ambient temperatures. Key Applications of Cryomilling: - Metals and Alloy Processing: Produces nanostructured metals and super-fine-grained alloys, improving their strength and durability. - Pharmaceutical Industry: Enhances the solubility and bioavailability of active pharmaceutical ingredients (APIs) by reducing particle size without thermal degradation. - Polymer and Plastic Industry: Enables the effective grinding of thermoplastics and elastomers that would otherwise melt under conventional milling. - Food Industry: Retains essential flavors and oils in spices, protein powders, and nutraceuticals by minimizing heat exposure. - Energy Storage and Battery Research: Refines electrode materials for lithium-ion and solid-state batteries, enhancing conductivity and stability. In powder metallurgy, cryomilling is particularly advantageous for reactive or ductile metals that tend to oxidize or stick together under conventional milling conditions. Cryomilling is often preferred for metals and reactive materials that require strict temperature control to prevent oxidation.
