Ageing and Degradation of Multiphase Polymer Systems
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Figure
![Figure 21.5 Shape of the variation, against parameter of solvent solubility (δ S ), of critical strain (ε C ) for PPO [5].](https://thumb-eu.123doks.com/thumbv2/123doknet/7333035.211753/7.918.302.645.733.1015/figure-shape-variation-parameter-solvent-solubility-critical-strain.webp)
![Figure 21.8 Shape of distribution, in the sample thickness, of plasticizer concentration (C expressed in weight fraction) and resulting local glass transition temperature (T g ) or a plasticized PVC aged at room temperature [12].](https://thumb-eu.123doks.com/thumbv2/123doknet/7333035.211753/10.918.280.626.690.1026/distribution-thickness-plasticizer-concentration-transition-temperature-plasticized-temperature.webp)
![Figure 21.10 Shape of UV-visible spectra for conjugated polyenes as a function of the conjugation degree j indicated in the figure [13]](https://thumb-eu.123doks.com/thumbv2/123doknet/7333035.211753/13.918.271.672.120.411/figure-visible-spectra-conjugated-polyenes-function-conjugation-indicated.webp)
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