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Free-Standing Porous and Nonporous Polyethylene Thin Films Using Spin Coating: An Alternate to the Extrusion–Stretching Process

journal contribution
submitted on 2024-08-18, 09:03 and posted on 2024-08-18, 09:04 authored by Junaid Saleem, Zubair Khalid Baig Moghal, Adriaan S. Luyt, R. A. Shakoor, Gordon McKay

Spin coating is widely used in the preparation of thin films as it yields reproducible results with uniform surface and controlled thickness. However, free-standing thin films of polyolefins have never been produced using spin coating as the coated films do not have sufficient strength to maintain their integrity without a supporting layer or substrate. Herein, we report free-standing thin films of polyolefins such as polyethylene with varying thickness ranging from 5 to 20 μm. In one such combination, 30% porosity, 5 MPa tensile strength, and 7 μm thickness were achieved. These films can be used as hydrophobic coating, filtration membranes, and oil-sorbents.

Other Information

Published in: ACS Applied Polymer Materials
License: https://creativecommons.org/licenses/by-nc-nd/4.0/
See article on publisher's website: https://dx.doi.org/10.1021/acsapm.2c02183

Funding

Qatar National Research Fund (NPRP12S-0325-190443), From Waste to Wealth: Eco-Friendly production of super-sorbents from plastic waste.

History

Language

  • English

Publisher

American Chemical Society

Publication Year

  • 2023

License statement

This Item is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Institution affiliated with

  • Hamad Bin Khalifa University
  • College of Science and Engineering - HBKU

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    College of Science and Engineering - HBKU

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