Roll‐to‐Roll Manufacturing of Breathable Superhydrophobic Membranes
2024

Breathable Superhydrophobic Membranes Made with Laser Technology

publication Evidence: high

Author Information

Author(s): H. Liu, H. Zhong, Q. Yuan, R. Yang, M. Kim, Y. H. T. Chan, S. Chen, J. Lin, M. G. Li

Primary Institution: The Hong Kong University of Science and Technology

Hypothesis

Can a scalable method using roll-to-roll laser manufacturing create high-quality, breathable superhydrophobic membranes?

Conclusion

The study successfully developed breathable superhydrophobic membranes that are cost-effective and suitable for various applications.

Supporting Evidence

  • The membranes achieved an average water static contact angle greater than 150°.
  • The breathable superhydrophobic membrane maintained an average relative humidity of approximately 90% in simulations.
  • The membranes exhibited resistance to corrosive aqueous liquids.
  • The roll-to-roll manufacturing process allows for automated and scalable production.

Takeaway

Scientists made a special kind of fabric that can keep you dry and warm, even when it's raining, by using lasers to create tiny holes in it.

Methodology

The membranes were created using a two-step laser technique involving nanosecond laser writing and femtosecond laser drilling.

Limitations

The study does not specify limitations, but potential issues could include the scalability of the manufacturing process and long-term durability.

Digital Object Identifier (DOI)

10.1002/smtd.202400038

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