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On the basis of two series of polyimides it was shown that the conformational rigidity and the presence of side voluminous substituents determine the packing of macromolecular chains in glassy state. The presence of hexafluoroisopropylidene groups leads to the increase of free volume of polymers due to the repulsion of such groups belonging to different macromolecular chains. The physical properties...
Enhancing the charge storage capability of thermoplastic polymers can be achieved at least by (i) the creation of obstacles such as highly elongated pores in the polymer film to substantially lengthen the pathway for charge recombination, (ii) the tailored chemical modification of the polymer backbone, and (iii) the addition of functional additives to create charge traps. This work focuses on the...
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