(230l) Micro-Textured Boron Nitride Nanoplatelet Modified Polyethylene Films
AIChE Annual Meeting
2014
2014 AIChE Annual Meeting
Materials Engineering and Sciences Division
Poster Session: Materials Engineering & Sciences (08F - Composite Materials)
Monday, November 17, 2014 - 6:00pm to 8:00pm
Linear low density polyethylene (LLDPE) micro-textured films filled with boron nitride nanoplatelets (BNNP) were produced by continuous melt extrusion. Nanoparticles displayed a significant extent of dispersion inside the matrix. The addition of BNNP led to 10-fold increase of the in-plane thermal conductivity (TC) of the nanocomposite (7.7 W/m.K vs 0.6 W/m.K for pure LLDPE), and 1.3-fold increase of through thickness TC. Micro-textured films were fabricated by a micro-patterned die to increase convective heat transfer rate as a consequence of increased surface area. Nanoplatelets were aligned parallel to the film machine direction. Film stiffness and tensile strength are comparable to the base LLDPE.
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