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Functionalized low defect graphene nanoribbons and polyurethane composite film for improved gas barrier and mechanical performances

  • Changsheng Xiang
  • , Paris J. Cox
  • , Akos Kukovecz
  • , Bostjan Genorio
  • , Daniel P. Hashim
  • , Zheng Yan
  • , Zhiwei Peng
  • , Chih Chau Hwang
  • , Gedeng Ruan
  • , Errol L.G. Samuel
  • , Parambath M. Sudeep
  • , Zoltan Konya
  • , Robert Vajtai
  • , Pulickel M. Ajayan
  • , James M. Tour
  • Rice University
  • University of Szeged
  • University of Ljubljana
  • Cochin University of Science and Technology

科研成果: 期刊稿件文章同行评审

154 引用 (Scopus)

摘要

A thermoplastic polyurethane (TPU) composite film containing hexadecyl-functionalized low-defect graphene nanoribbons (HD-GNRs) was produced by solution casting. The HD-GNRs were well distributed within the polyurethane matrix, leading to phase separation of the TPU. Nitrogen gas effective diffusivity of TPU was decreased by 3 orders of magnitude with only 0.5 wt % HD-GNRs. The incorporation of HD-GNRs also improved the mechanical properties of the composite films, as predicted by the phase separation and indicated by tensile tests and dynamic mechanical analyses. The improved properties of the composite film could lead to potential applications in food packaging and lightweight mobile gas storage containers.

源语言英语
页(从-至)10380-10386
页数7
期刊ACS Nano
7
11
DOI
出版状态已出版 - 26 11月 2013
已对外发布

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