Abstract
In order to investigate the effect of polyhedral oligomeric silsesquioxane content and the structure‐function related on the dielectric property and hydrophobicity, three kinds of poly(aryl ether sulfone)s (PAESs) random terpolymer with different chemistry structure at variable polyhedral oligomeric silsesquioxane content in the main chain are prepared. The structures of PAESs are characterized by infrared (IR), nuclear magnetic resonance (NMR), and wide‐angle X‐ray diffraction (WXRD) spectra. The results show that the dielectric constant initially increases then decrease to 2.68 at 100%‐double‐decker silsesquioxane (DDSQ)‐PAES(molar content of DDSQ = 100%) at 1 MHz. The contact angle increased to 97.5° at 100%‐DDSQ‐PAES. While the chemical structure of organic chains also plays an important role on thermostability, dielectric, and hydrophobic properties. The results are discussed and interpreted in detail. Copyright © 2016 John Wiley & Sons, Ltd.
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