Articles with "poly para" as a keyword



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Vapor‐Phase Synthesis of Poly(para‐xylylene): From Coatings to Porous and Hierarchical Materials

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202313511

Abstract: Poly(para‐xylylene) (PPX) is a robust and biocompatible coating material that is widely used in various applications, including electronics, aerospace and defense materials, automotive materials, and biomaterials. In this progress report, recent developments in PPX technology… read more here.

Keywords: poly para; chemistry; para xylylene; ppx ... See more keywords

Transparent and mechanically robust poly (para-phenylene terephthamide) PPTA nanopaper toward electrical insulation based on nanoscale fibrillated aramid-fibers

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Published in 2018 at "Composites Part A: Applied Science and Manufacturing"

DOI: 10.1016/j.compositesa.2018.10.009

Abstract: Abstract Due to chemically inert surface and poor interfacial interaction, PPTA (poly (para-phenylene terephthamide)) fiber-based specialty paper suffers from microvoids and limited physical properties. In this work, PPTA pulps were treated by DMSO/KOH to achieve… read more here.

Keywords: poly para; ppta; para phenylene; aramid fibers ... See more keywords

The spectrochemical behavior of composites based on poly (para-phenylenevinylene), reduced graphene oxide and pyrene

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Published in 2017 at "Optical Materials"

DOI: 10.1016/j.optmat.2017.06.002

Abstract: Abstract A new composite material based on poly (para-phenylenevinylene) (PPV), pyrene (Py) and reduced graphene oxide (RGO) is synthesized using thermal conversion route. The properties of this material are investigated by Raman scattering, photoluminescence (PL),… read more here.

Keywords: graphene oxide; ppv; para phenylenevinylene; based poly ... See more keywords

Poly(para-phenylene) fibers – Characterization and preliminary data for conversion to carbon fiber

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Published in 2021 at "Polymer"

DOI: 10.1016/j.polymer.2021.123945

Abstract: Abstract Given the exceptionally high thermal stability of poly (para-phenylene) (PPP) among linear polyaromatics, it is expected that PPP fibers will have myriad applications. In this study, PPP fibers were obtained starting from the enzymatic… read more here.

Keywords: poly para; carbon fiber; ppp fibers; para phenylene ... See more keywords

Graphene Nanoribbons Derived from Zigzag Edge-Encased Poly( para-2,9-dibenzo[ bc, kl]coronenylene) Polymer Chains.

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Published in 2019 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.8b10407

Abstract: In this work, we demonstrate the bottom-up on-surface synthesis of poly( para-dibenzo[ bc, kl]-coronenylene) (PPDBC), a zigzag edge-encased analog of poly( para-phenylene) (PPP), and its lateral fusion into zigzag edge-extended graphene nanoribbons (zeeGNRs). Toward this… read more here.

Keywords: zigzag edge; zigzag; microscopy; poly para ... See more keywords

On-surface cyclization of vinyl groups on poly-para-phenylene involving an unusual pentagon to hexagon transformation

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Published in 2024 at "Nature Communications"

DOI: 10.1038/s41467-024-46173-3

Abstract: On-surface synthesis relies on carefully designed molecular precursors that are thermally activated to afford desired, covalently coupled architectures. Here, we study the intramolecular reactions of vinyl groups in a poly-para-phenylene-based model system and provide a… read more here.

Keywords: vinyl groups; para phenylene; surface; groups poly ... See more keywords