composite and bulk PVC revealed the presence of
trisilanol POSS on the silica surface. The C-H band at
2953 cm–1 was also present in the spectrum of the bulk
PVC and could be seen in the spectrum of the PVC
composite as well. Surprisingly, the C-H band at 2907
cm–1 surpasses the band at 2953 cm–1 because of the
presence of isooctyl groups on the surface.