Origin of high thermal conductivity in disentangled ultra-high molecular weight polyethylene films: ballistic phonons within enlarged crystals

Taeyong Kim, Stavros X. Drakopoulos, Sara Ronca +1

The thermal transport properties of oriented polymers are of fundamental and practical interest. High thermal conductivities ($\gtrsim 50$ Wm${}^{-1}$K${}^{-1}$) have recently been rep…