Gas barrier properties evaluation for boron nitride nanosheets-polymer (polyethylene-terephthalate) composites

Atif Ayub; Sarah Farrukh; Rahim Jan; Muhammad Azeem; Zarrar Salahuddin; Arshad Hussain

doi:10.1007/s13204-020-01563-z

Gas barrier properties evaluation for boron nitride nanosheets-polymer (polyethylene-terephthalate) composites

Atif Ayub, Sarah Farrukh, Rahim Jan, Muhammad Azeem, Zarrar Salahuddin, Arshad Hussain

National University of Sciences and Technology

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Hexagonal boron nitride nanosheets (BNNS) are dispersed in polyethylene-terephthalate (PET) via temperature-induced solution processing. The BNNS/PET composites are evaluated for carbon dioxide (CO₂) and oxygen (O₂) permeation reduction. The free-standing composite membranes have shown a maximum 96% permeation reduction at very minute filler loading (0.005 wt% BNNS) in comparison to the base polymer when subjected to an 8 h test run. Interestingly, BNNS loading beyond 0.005 wt% rendered complete permeation reduction. The inclusion of high aspect ratio BNNS, homogeneous dispersion inside PET and the wiggling effect around nanosheets per flake have increased the tortuous path for the gas flow. The experimental results have been verified through Bharadwaj’s, Neilson’s, Lape’s and Cussler’s models. The dispersion state is assessed via scanning electron microscope (SEM) while x-ray diffraction (XRD) has confirmed the formation of composites. Tensile testing results showed the enhanced mechanical robustness of BNNS/PET composites as a function of filler loading.

Original language	English
Pages (from-to)	91-99
Number of pages	9
Journal	Applied Nanoscience (Switzerland)
Volume	11
Issue number	1
DOIs	https://doi.org/10.1007/s13204-020-01563-z
Publication status	Published - Jan 2021

Keywords

2D nanosheets
Gas barrier properties
Liquid phase exfoliation
PET
Polymer composites

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10.1007/s13204-020-01563-z

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title = "Gas barrier properties evaluation for boron nitride nanosheets-polymer (polyethylene-terephthalate) composites",

abstract = "Hexagonal boron nitride nanosheets (BNNS) are dispersed in polyethylene-terephthalate (PET) via temperature-induced solution processing. The BNNS/PET composites are evaluated for carbon dioxide (CO2) and oxygen (O2) permeation reduction. The free-standing composite membranes have shown a maximum 96% permeation reduction at very minute filler loading (0.005 wt% BNNS) in comparison to the base polymer when subjected to an 8 h test run. Interestingly, BNNS loading beyond 0.005 wt% rendered complete permeation reduction. The inclusion of high aspect ratio BNNS, homogeneous dispersion inside PET and the wiggling effect around nanosheets per flake have increased the tortuous path for the gas flow. The experimental results have been verified through Bharadwaj{\textquoteright}s, Neilson{\textquoteright}s, Lape{\textquoteright}s and Cussler{\textquoteright}s models. The dispersion state is assessed via scanning electron microscope (SEM) while x-ray diffraction (XRD) has confirmed the formation of composites. Tensile testing results showed the enhanced mechanical robustness of BNNS/PET composites as a function of filler loading.",

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AU - Salahuddin, Zarrar

AU - Hussain, Arshad

PY - 2021/1

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N2 - Hexagonal boron nitride nanosheets (BNNS) are dispersed in polyethylene-terephthalate (PET) via temperature-induced solution processing. The BNNS/PET composites are evaluated for carbon dioxide (CO2) and oxygen (O2) permeation reduction. The free-standing composite membranes have shown a maximum 96% permeation reduction at very minute filler loading (0.005 wt% BNNS) in comparison to the base polymer when subjected to an 8 h test run. Interestingly, BNNS loading beyond 0.005 wt% rendered complete permeation reduction. The inclusion of high aspect ratio BNNS, homogeneous dispersion inside PET and the wiggling effect around nanosheets per flake have increased the tortuous path for the gas flow. The experimental results have been verified through Bharadwaj’s, Neilson’s, Lape’s and Cussler’s models. The dispersion state is assessed via scanning electron microscope (SEM) while x-ray diffraction (XRD) has confirmed the formation of composites. Tensile testing results showed the enhanced mechanical robustness of BNNS/PET composites as a function of filler loading.

AB - Hexagonal boron nitride nanosheets (BNNS) are dispersed in polyethylene-terephthalate (PET) via temperature-induced solution processing. The BNNS/PET composites are evaluated for carbon dioxide (CO2) and oxygen (O2) permeation reduction. The free-standing composite membranes have shown a maximum 96% permeation reduction at very minute filler loading (0.005 wt% BNNS) in comparison to the base polymer when subjected to an 8 h test run. Interestingly, BNNS loading beyond 0.005 wt% rendered complete permeation reduction. The inclusion of high aspect ratio BNNS, homogeneous dispersion inside PET and the wiggling effect around nanosheets per flake have increased the tortuous path for the gas flow. The experimental results have been verified through Bharadwaj’s, Neilson’s, Lape’s and Cussler’s models. The dispersion state is assessed via scanning electron microscope (SEM) while x-ray diffraction (XRD) has confirmed the formation of composites. Tensile testing results showed the enhanced mechanical robustness of BNNS/PET composites as a function of filler loading.

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Gas barrier properties evaluation for boron nitride nanosheets-polymer (polyethylene-terephthalate) composites

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