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Home Archives Thermal Letter Officers Future meetings Assembly for International Heat Transfer Conferences
International Heat Transfer Conference 16
2018, 10-15 August, Beijing, China

CROSSLINKING EFFECT ON THERMAL CONDUCTIVITY OF ELECTROSPUN POLY(ACRYLIC ACID) NANOFIBERS

Get access DOI: 10.1615/IHTC16.cip.023723
pages 2669-2674

Abstract

The enhancement of thermal conductivity of polymers has been attempted using various methodologies such as chain drawing, blending, and crosslinking. Especially, the effect of crosslinking on a thermal conductivity has been a controversial issue because crosslinking facilitates heat carriers to move through molecular chains or creates phonon-phonon scattering by additional modes. This paper shows the decrease by approximately 49% in the thermal conductivity of an electrospun poly(acrylic acid) (PAA) nanofiber after crosslinking which can be induced via a heat treatment. To understand the results, PAA nanofibers were analyzed with various characterization techniques including thermogravimetric analysis, Fourier-transform infrared spectroscopy, and differential scanning calorimetry.
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