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dc.contributor.authorTran, Thu Van
dc.contributor.authorAbedin, Farhana
dc.contributor.authorUsta, Aybala
dc.contributor.authorAsmatulu, Ramazan
dc.date.accessioned2019-02-21T21:02:54Z
dc.date.available2019-02-21T21:02:54Z
dc.date.issued2018-09-14
dc.identifier.citationTran, T. V., Abedin, F., Usta, A., & Asmatulu, R. (2018). Polyurethane nanocomposite coating with silanized graphene and hexagonal boron nitride as nanoadditives for improved resistance against ultraviolet degradation. Journal of Composite Materialsen_US
dc.identifier.issn0021-9983
dc.identifier.urihttps://doi.org/10.1177/0021998318799402
dc.identifier.urihttp://hdl.handle.net/10057/15825
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractPolyurethane coatings modified with silanized graphene and/or hexagonal boron nitride as nanoadditives were synthesized, characterized, and tested for ultraviolet degradation and hydrophobicity. These coatings containing various weight percentages (wt%) of nanoadditives were prepared and investigated. The coating composition was characterized using Fourier transform infrared spectroscopy. The silanization of nanoadditives was characterized using scanning electron microscopy. The glass transition temperatures (Tg) of the nanocomposite coatings were determined using differential scanning calorimeter; it was observed that the presence of nanoadditives in the coatings impacted the Tg indicating their interference with the polyurethane chains and structures. The change in the coating thickness and water contact angle after ultraviolet light exposure was also studied. Exposure of the coatings to ultraviolet light led to a decrease in the coating thickness and hydrophobicity. With the increasing content of nanoadditives, the decrease in the coating thickness was lower and the rate of decrease of water contact angle was slow. Polyurethane coatings with 0.8 wt% silanized hexagonal boron nitride nanoparticles exhibited minimum reduction in coating thickness and the slowest rate of decrease in the water contact angle.en_US
dc.language.isoen_USen_US
dc.publisherSAGEen_US
dc.relation.ispartofseriesJournal of Composite Materials;2018
dc.subjectcoatingen_US
dc.subjectGrapheneen_US
dc.subjectNanocompositeen_US
dc.subjectPolyurethaneen_US
dc.subjectSilanizationen_US
dc.subjectUltraviolet degradationen_US
dc.titlePolyurethane nanocomposite coating with silanized graphene and hexagonal boron nitride as nanoadditives for improved resistance against ultraviolet degradationen_US
dc.typeArticleen_US
dc.rights.holder© 2018, © SAGE Publicationsen_US


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