DIRECTED THERMAL CONDUCTION ARTICLE, COMPOSITE AND METHOD

Abstract: an article including a composite. the composite includes a polymeric binder and particles in the polymeric binder, the particles being magnetically responsive and having a flake-like geometry. the particles include a thermally anisotropic material such that the particles are characterized by a higher in-plane thermal conductivity and a lower through-plane conductivity. the composite is characterized by at least one preferred thermal conduction path defined in sections of differently oriented alignments of the particles. at least two of the sections are differently oriented relative to one another by a gradient angular difference such that the at least two of the sections are non-parallel and non-perpendicular to one another. in specific embodiments, the particles are hexagonal boron nitride with superparamagnetic iron oxide nanoparticles adsorbed thereon, and the polymeric binder includes polyvinyl pyrrolidone.

Inventor(s): Hortense Reine Marie-Marceline Le Ferrand, Hongying He

CPC Classification: B32B27/20 (LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM)

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