Title

Magnetic and electromagnetic evaluation of the magnetic nanoparticle filled polyurethane nanocomposites

Document Type

Conference Proceeding

Publication Date

5-21-2007

Abstract

The magnetic and electromagnetic wave absorption behavior of a flexible iron-nanoparticle reinforced polyurethane nanocomposite is reported. Surface-initiated-polymerization (SIP) method was utilized to fabricate high-quality nanocomposites with uniform particle distribution and tunable particle loading (up to 65 wt %). The enhancement of coercive force is observed when the nanoparticles are embedded into the polymer matrix. Electromagnetic wave absorption performance at a discrete frequency as studied by metal-backed reflection loss indicates that the SIP nanocomposites can save the weight up to 50% compared to the composite counterpart with micron-size particles. © 2007 American Institute of Physics.

Publication Source (Journal or Book title)

Journal of Applied Physics

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