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dc.contributor.authorFeikert, Paige
dc.contributor.authorLi, Bin
dc.identifier.citationFeikert, P., & Li, B. (2020). Tailoring interfacial properties of polyethylene oxide/ hexagonal boron nitride nanocomposites via polydopamine. Paper presented at the Annual Technical Conference - ANTEC, Conference Proceedings, , 2 1102-1106.en_US
dc.descriptionClick on the URL link to access this conference paper on the publisher’s website (may not be free.)en_US
dc.description.abstractBoron nitride (BN) nanomaterials, with high chemical inertness and a lack of functional groups are not able to form sufficient interfacial interactions with polymers in polymer nanocomposites. Polydopamine (PDA), an adhesive protein with high catechol and amine content, was found to be an effective non-covalent surfactant for BN. This study investigated the roles of PDA on the interfacial properties of the polyethylene oxide (PEO) /BN nanocomposites via rheological and dielectric analyses. PDA-modified hexagonal boron nitride (SBN) nanoparticles led to strong interfacial interactions between PEO and SBN, ultimately impacting rheological and dielectric properties. PEO/0.5wt%SBN nanocomposites produced moduli comparable to that of PEO/20wt% pristine boron nitride (PBN) nanocomposites. Furthermore, PEO/SBN nanocomposites showed a noticeable concentration dependence of rheological properties that PEO/PBN nanocomposites did not show. PDA-modified interfaces also contributed to slower PEO relaxation characteristics, indicating restricted mobility of PEO chains near the interfaces, which subsequently accounted for the apparent shift of interfacial polarization to lower frequencies in PEO/SBN nanocomposites, especially at high SBN concentration and high temperature, showing improved thermal stability of PDA-modified interfaces.en_US
dc.publisherSociety of Plastics Engineersen_US
dc.relation.ispartofseriesAnnual Technical Conference - ANTEC, Conference Proceedings;
dc.subjectAliphatic compoundsen_US
dc.subjectBoron nitrideen_US
dc.subjectDielectric propertiesen_US
dc.subjectIII-V semiconductorsen_US
dc.subjectPolyethylene oxidesen_US
dc.subjectThermodynamic stabilityen_US
dc.titleTailoring interfacial properties of polyethylene oxide/ hexagonal boron nitride nanocomposites via polydopamineen_US
dc.typeConference paperen_US
dc.rights.holder© 2020 Society of Plastics Engineers. All rights reserved.en_US

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