Review of Polymer-Based Composites for Electromagnetic Shielding Application

Area of Science:

• Materials Science
• Electrical Engineering
• Polymer Science

Background:

• Electronic communication advancements increase electromagnetic pollution.
• Traditional metal/alloy EMI shielding is heavy, costly, and corrodes easily.
• Polymers offer flexibility, corrosion resistance, and high specific strength for shielding.

Purpose of the Study:

• To review the fundamental theory of electromagnetic shielding.
• To outline processing methods and recent advancements in polymer-based EMI shielding composites.
• To identify challenges and future prospects in the field.

Main Methods:

• Review of existing literature on electromagnetic shielding theory.
• Analysis of various processing techniques for polymer composites (uniform, foam, layered, segregated structures).
• Synthesis of recent developments in polymer-based electromagnetic shielding materials.

Main Results:

• Polymer-based composites present a viable alternative to traditional shielding materials.
• Different structural approaches (uniform, foam, layered, segregated) offer unique shielding properties.
• The review highlights the potential of tailored polymer composites for advanced EMI shielding.

Conclusions:

• Polymer-based electromagnetic shielding composites are crucial for addressing electromagnetic pollution.
• Further research into processing and structural design is needed.
• This review provides a roadmap for future development in polymer-based EMI shielding materials.