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a) b - École Polytechnique de Montréal

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Figure 5-6. a),b) Scanning electron micrographs of the morphology of sample (B) after<br />

extraction of PMMA, PVDF and <strong>de</strong>position of 38 PSS/PANI layers; c),d) SEM<br />

and FIB-AFM of sample(B) after extraction of PMMA, PVDF and <strong>de</strong>position of<br />

xxxvii<br />

38 PSS/PANI layers. Pores are filled with epoxy resin. .......................................... 157<br />

Figure 5-7. Mass increase (%) indicating cumulative <strong>de</strong>posited mass as a function of number<br />

of <strong>de</strong>posited PSS and PANI layers for solutions containing salt and without salt.<br />

a) sample(A); b) sample (B); c) sample(C); and d) sample (D). ............................. 160<br />

Figure 5-8. Schematic of exponential growth of PSS/PANI multilayer thickness on the<br />

internal surface of the substrate. .............................................................................. 162<br />

Figure 5-9. Mass increase (%) indicating cumulative <strong>de</strong>posited mass as a function of number<br />

of <strong>de</strong>posited PSS and PANI layers for sample (A). a) solution containing salt,<br />

and b) solution without salt. ..................................................................................... 165<br />

Figure 5-10. Conductivity as a function of the number of <strong>de</strong>posited layers for various<br />

samples at a 5 lb load. The effect of a 10 lb load is shown for two samples as<br />

indicated by the arrows. ........................................................................................... 165<br />

Figure 6-1. (a) schematic representation of the evolution of morphology in a binary blend,<br />

(b) matrix/dispersed morphology, and (c) co-continuous morphology ................... 173<br />

Figure 6-2. Schematic representation of (a) complete wetting: the case that one phase<br />

locates between two other phases, and (b) partial wetting: the case that all phases<br />

are in contact with each other .................................................................................. 176<br />

Figure 6-3. Complex viscosity as a function of frequency at 190ºC for homopolymers ............ 179<br />

Figure 6-4. FIB-AFM image of complete wetting morphology for ternary 40/20/40<br />

HDPE/PS/PMMA blend showing the layer of PS at the interface of HDPE and<br />

PMMA. Scan size is 25μm×25μm. The bar to the right of the FIB/AFM<br />

micrograph indicates the colours associated with the topographical height in nm.<br />

The white line in the image indicates the section analyzed. .................................... 182<br />

Figure 6-5. (a) Schematic representation of the matrix/core-shell dispersed phase<br />

morphology, (b) SEM micrograph of 60/10/30 HDPE/PS/PMMA blend after<br />

extraction of PS by cyclohexane, (c) schematic representation of tri-continuous

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