Fig 1.
The preparation of surface modified h-BN particles.
Fig 2.
(a)FTIR spectra and (b)TGA curves of pristine h-BN and surface modified h-BN.
Fig 3.
(a) The thermal conductivity of the composites with different BN fillers (b) Schematic diagram of the hydrogen bond between fillers and cellulosic fibres.
Fig 4.
Schematic diagram of the filler distribution within the BN/cellulosic fibre composite (a) No heat-conductive pathway at low filler loading (b) Heat-conductive pathways gradually formed at high filler loading (c) More compact and integrated heat-conductive pathways with dual-size filler.
Table 1.
Characteristics of h-BN fillers in different samples.
Fig 5.
The effects of filler loading on (a) Relative permittivity and dielectric loss angle tangent (b) breakdown strength (c) Volume resistivity.
Fig 6.
SEM images of (a) surface and (b) cross-section of composite with 11.5wt% filler loading; SEM images of (c) surface and (d) cross-section of composite with 41.1wt% filler loading.