a) b - École Polytechnique de Montréal

Figure 2-3. a), b), c) Ternary blends with partial wetting case, and d), e), f) ternary blends
with complete wetting case ........................................................................................ 23
Figure 2-4. SEM micrographs of the 80 (HDPE) /20 (PS/PMMA) I) a) fracture surface
etched with acetic acid for 2 min, 14%PS/86%H-PMMA; b) microtomed surface
xxx
etched 24 h with cyclohexane, 9%PS/91%H-PMMA; and c) microtomed surface
etched 24 h with cyclohexane, 9%PS/91%L-PMMA, II) Evolution of the shell
formation process with increasing PS content (vol. % based on the dispersed
phase) for the 80(HDPE)/20(PS/L-PMMA)(cryofractured samples after being
etched for 10 s with acetic acid). ................................................................................ 26
Figure 2-5. SEM micrograph of 70PA6/15PP/15PS blends: (a) cryofractured and (b)
chloroform extracted surfaces.(Harrats, et al., 2005) ................................................. 27
Figure 2-6. Dependence of the composite dispersed morphology on PS and PMMA
molecular weights. SEM photomicrographs of (a) HDPE/L-PS/L-PMMA;
PMMA is extracted by acetic acid and (b) HDPE/H-PS/H-PMMA; PS is
extracted by cyclohexane. The white bar denotes 1 μm(Reignier, et al., 2003). ....... 29
Figure 2-7. a, b) FIB-AFM images of HDPE/PS/PMMA ternary blends. The white line in
Figure 7b indicates the section analyzed below, and c) Continuity of PS or
PMMA as a function of the composition using the solvent dissolution
technique(Zhang, et al., 2007) ................................................................................... 30
Figure 2-8. Scanning electron micrograph of a) 40PA6/30PP/30PS; formic acid extracted
surfaces, and b) 40PA6/(25/5)(PP/PP–MA2)/(25/5)(PS/SMA2); formic acid
extracted surfaces (Harrats, et al., 2005) .................................................................... 31
Figure 2-9. Electrical conductivity versus LLDPE content for CoPA/LLDPE/PANI ternary
blends containing 10 and 20 wt% PANI(Zilberman, et al., 2000b) ........................... 32
Figure 2-10. Electrical conductivity versus LLDPE content for (PS/DOP)/LLDPE/PANI
blends containing 10 and 20 wt% PANI(Zilberman, et al., 2000b) ........................... 32
Figure 2-11. a) 70%HDPE/15%PS/15%PMMA, b) 15%PMMA/70%PS/15%HDPE(PMMA
extracted fracture surface), and c) 70%PMMA/15%PS/15%HDPE (PS extracted
fracture surface) (Guo, Packirisamy, et al., 1997) ..................................................... 33