Further Improvement Based on Traditional Nanocapsule Preparation Methods: A Review

Area of Science:

• Materials Science
• Chemical Engineering
• Nanotechnology

Background:

• Nanocapsule preparation is a rapidly advancing field with significant industrial potential.
• Existing reviews lack a focus on the evolution of core-shell structural materials in nanocapsule technology.

Purpose of the Study:

• To systematically review and categorize nanocapsule preparation technologies.
• To highlight recent innovations and the evolution of core-shell materials.
• To summarize the mechanisms of various preparation methods.

Main Methods:

• Categorization of nanocapsule preparation into physical, chemical, and physicochemical methods.
• Review of technological innovations in recent years.
• Detailed summary of mechanisms for methods including emulsion polymerization, interface polymerization, layer-by-layer self-assembly, nanoprecipitation, supercritical fluid, and nano spray drying.

Main Results:

• Identification of three primary categories of nanocapsule preparation methods.
• Detailed explanation of the mechanisms behind key preparation techniques.
• Emphasis on the iterative development of core-shell structural materials with examples of recent research.

Conclusions:

• Nanocapsule technology is poised for wider adoption in medicine, food, cosmetics, and beyond.
• Continued advancements in wall materials, catalysts, equipment, and preparation techniques will drive future applications.
• The evolution of core-shell structures is a critical factor in expanding nanocapsule utility.