Research Progress of Polymers/Inorganic Nanocomposite Electrical Insulating Materials

Area of Science:

• Materials Science
• Electrical Engineering
• Polymer Science

Background:

• Nanocomposite dielectric materials are increasingly vital in power, energy, and aerospace industries due to their unique properties.
• Polymer/inorganic nanocomposites exhibit excellent physical, mechanical, and unique electrical, thermal, sound, light, and magnetic properties.

Purpose of the Study:

• To introduce the fundamental effects of nanoparticles on polymer matrices.
• To elucidate the interaction mechanisms between nanoparticles and polymer matrices.
• To summarize the influence of interfacial effects on the dielectric properties of nanocomposites.

Main Methods:

• Introduction of nanoparticle quantum effects (tunneling, size, surface effects).
• Explanation of various interaction mechanisms (adsorption, bonding, diffusion, electrostatic, mechanical, deformation, physical adsorption).
• Analysis using interfacial structure models to understand dielectric properties.

Main Results:

• Nanoparticle quantum effects induce anomalous changes in polymer matrix properties.
• Multiple interaction theories explain nanoparticle-polymer matrix relationships.
• Interfacial effects (trap, barrier, homogenization field strength) significantly influence dielectric properties.

Conclusions:

• Understanding nanoparticle quantum effects and interfacial interactions is key to tailoring nanocomposite dielectric properties.
• These materials show significant potential for advanced electrical insulation applications.
• Further research into interfacial structure models can optimize performance in demanding industrial fields.