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Exploring Functionalities for the Development of High Thermal Stability Polypropylene-Based Dielectrics

AuthorsMartín, Angélica; Hoyos, Mario ; Gómez-Elvira González, José Manuel
KeywordsUnctional polyolefins
Reactive polypropylene
Cross-linked polypropylene
High thermal stability polypropylene
Polypropylene dielectrics
Issue Date2021
PublisherAmerican Chemical Society
CitationACS Applied Energy Mater 4 : 25−29 (2021)
AbstractThe motivation of this study was to explore theviability of a new strategy, aimed at substantially improving boththermal and dielectric performance of polypropylene (PP),especially under oxidative conditions, by preparing in a singlestep a self-cross-linkable functionalized PP. For that purpose, anα-olefin bearing theN-alkylpyrrole moiety was copolymerized withpropylene, by using metallocene catalysis, and the obtainedmaterials thoroughly characterized. Thermal treatment at process-ing temperatures of the obtained copolymers proved that radicalchemistry associated with this function provides,per se,efficient PPcross-linking. The copolymers show high dielectric reliability andretain aflexible behavior, thus breaking new ground in the single-step preparation of high thermal stability PP-based dielectrics.
Publisher version (URL)https://dx.doi.org/10.1021/acsaem.0c02760
Appears in Collections:(ICTP) Artículos
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