Science Advances

Supplementary Materials

This PDF file includes:

  • section S1. Multiple methods to fabricate porous membranes with various pore sizes on different EMs.
  • section S2. The theoretical model agrees with the experimental critical pressure at a series of flow rates.
  • section S3. Deformation of EPM under one- or two-dimensional stretch.
  • section S4. Critical pressure change in various LGEPM systems.
  • section S5. Durability of the LGEPM system.
  • section S6. Uniformity of the EPMs during deformation.
  • fig. S1. The fabrication of EPM by CO2 laser cutting and its morphology.
  • fig. S2. The image of a whole silicone rubber membrane with nine pores in the center.
  • fig. S3. The fabrication of EPM by femtosecond laser cutting and its morphology.
  • fig. S4. The fabrication of porous PDMS membrane by Si replica molding method and its morphology.
  • fig. S5. The experimental and theoretical models of critical pressure of water transporting through the LGEPM at different flow rates.
  • fig. S6. Stress distribution of the elastomeric multiporous membrane.
  • fig. S7. Different pressure change via different deformation extent.
  • fig. S8. Critical pressure change of bare silicone rubber membranes in a static stretching process.
  • fig. S9. Critical pressure change of silicone oil–infused silicone rubber membranes in a static stretching process.
  • fig. S10. Critical pressure change of liquid paraffin–infused silicone rubber membranes in a static stretching process.
  • fig. S11. Critical pressure of water passing through different gating liquids in two types of membrane materials.
  • fig. S12. The pressure of gas and liquid after cycles of stretch and relaxation.
  • fig. S13. Images of nonstretched and stretched EPMs.
  • fig. S14. Different pore size distribution leads to different gating performance.
  • Legends for movies S1 to S4

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.mp4 format). Preparation and mechanism of LGEPM system.
  • movie S2 (.mp4 format). One-dimensional stretching of EPM.
  • movie S3 (.mp4 format). Dynamic deformation of LGEPM.
  • movie S4 (.mp4 format). Dynamic gas and liquid separation process by LGEPM.

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