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Polymer Bulletin
Erschienen in: Polymer Bulletin 1/2019

06.06.2018 | Original Paper

Synthesis and studies on phosphazene core-based POSS-reinforced polyimide nanocomposites

verfasst von: Rajamanickam Revathi, Pichaimani Prabunathan, Muthukaruppan Alagar

Erschienen in: Polymer Bulletin | Ausgabe 1/2019

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Abstract

In the present work, phosphazene core-based polyimide and polyhedral oligomeric silsesquioxane (POSS)-reinforced phosphazene polyimide nanocomposites were developed and characterized. The molecular structure of cyclophosphazene amine (PZA) was confirmed by 1H, 13C NMR and MASS spectroscopic methods. The developed polyimide and its composites were studied for optical, thermal and dielectric properties along with their morphological studies. Interestingly, it was found that the incorporation of 10 wt% of POSS-reinforced PZI composites possesses an improved glass transition temperature (Tg), thermal stability, char yield and flame-retardant behavior than those of neat PZI matrix. The value of dielectric constant gets decreased with increasing the weight percentages of POSS reinforcement and thus 10 wt% POSS-reinforced PZI composites possesses the lowest value of dielectric constant (k = 2.1). Further, it also possesses the highest UV shielding behavior in UVA region, i.e., 93% with minimum weight loss even after exposing for 165 h. The antibacterial activity of the neat PZI matrix and POSS/PZI composites were also studied. The data obtained from different studies that it is suggested that the 10 wt% of POSS/PZI hybrid composite materials can be used in the form of coatings, sealants and matrices in aerospace as well as microelectronics applications.
Vorheriger Artikel Properties and characterization of carboxymethyl cellulose/halloysite nanotube bio-nanocomposite films: Effect of sodium dodecyl sulfate
Nächster Artikel Thermal resistance and tensile properties studies on PVC-C/EVA submitted to 60Co γ-ray up to 50 KGy and thermal aging at 80 °C

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Metadaten
Titel
Synthesis and studies on phosphazene core-based POSS-reinforced polyimide nanocomposites
verfasst von
Rajamanickam Revathi
Pichaimani Prabunathan
Muthukaruppan Alagar
Publikationsdatum
06.06.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 1/2019
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-018-2391-1

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