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Fabrication of porous PDMS sponges using spontaneously self-removing sacrificial templates

Journal Article


Abstract


  • Poly(dimethylsiloxane) (PDMS) sponges are an emergent technology, garnering much attention in recent years due to their unique mechanical properties, high surface area and hydrophobicity/oleophilicity. In this work, a hydroscopic calcium chloride hard template is used to prepare a PDMS sponge in 6 h, faster than previously reported template removal methods. Furthermore, the unique deliquescent properties of the calcium chloride are harnessed to provide a spontaneously self-removing sacrificial template within 4 days. The resultant PDMS sponges displayed excellent mechanical robustness, exhibiting maximum tensile and compressive stress values of 110 ± 20 kPa and 2.8 ± 0.1 MPa, respectively. Graphical abstract: [Figure not available: see fulltext.].

Publication Date


  • 2022

Citation


  • Keller, A., Zainulabdeen, K., Warren, H., & in het Panhuis, M. (2022). Fabrication of porous PDMS sponges using spontaneously self-removing sacrificial templates. MRS Advances, 7(23-24), 495-498. doi:10.1557/s43580-021-00196-w

Scopus Eid


  • 2-s2.0-85123234568

Start Page


  • 495

End Page


  • 498

Volume


  • 7

Issue


  • 23-24

Abstract


  • Poly(dimethylsiloxane) (PDMS) sponges are an emergent technology, garnering much attention in recent years due to their unique mechanical properties, high surface area and hydrophobicity/oleophilicity. In this work, a hydroscopic calcium chloride hard template is used to prepare a PDMS sponge in 6 h, faster than previously reported template removal methods. Furthermore, the unique deliquescent properties of the calcium chloride are harnessed to provide a spontaneously self-removing sacrificial template within 4 days. The resultant PDMS sponges displayed excellent mechanical robustness, exhibiting maximum tensile and compressive stress values of 110 ± 20 kPa and 2.8 ± 0.1 MPa, respectively. Graphical abstract: [Figure not available: see fulltext.].

Publication Date


  • 2022

Citation


  • Keller, A., Zainulabdeen, K., Warren, H., & in het Panhuis, M. (2022). Fabrication of porous PDMS sponges using spontaneously self-removing sacrificial templates. MRS Advances, 7(23-24), 495-498. doi:10.1557/s43580-021-00196-w

Scopus Eid


  • 2-s2.0-85123234568

Start Page


  • 495

End Page


  • 498

Volume


  • 7

Issue


  • 23-24