pH-triggered adjustable bursting of liquid marbles in water pools

Kumar, Saurav; Barman, Nishanta; Borbora, Angana; Mondal, Priyam; Tenjimbayashi, Mizuki; Manna, Uttam

doi:10.1039/d3ta06238d

J. Mater. Chem. A

2024

DOI: 10.1039/d3ta06238d

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pH-triggered adjustable bursting of liquid marbles in water pools

Saurav Kumar,

Nishanta Barman,

Angana Borbora

et al.

Abstract: Non-sticking millimetric droplets wrapped with micron/submicron-sized liquid repellent solid particles and aggregates are recognized as liquid marbles (LMs). LM behaves like a non-wetting solid which enables zero-loss transportation on solid...

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Non‐Aqueous Polyhedral Liquid Marbles Stabilized with Polymer Plates Having Surface Roughness

Iwata,

Yoshida,

Hirai

et al. 2024

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Hydrophobic polymer plates with smooth and rough surfaces are used as a stabilizer for cubic liquid marbles (LMs) to study the effect of surface roughness on their formation. The smooth and rough polymer plates can stabilize LMs using liquids with surface tensions of 72.8–26.6 and 72.8–22.9 mN m−1, respectively. It is clarified that the higher the surface roughness, the lower the surface tension of the liquids are stabilized to form the LMs. These results indicated that the introduction of surface roughness improves the hydrophobicity of the polymer plates and the rough polymer plates can stabilize LMs using liquids with a wider surface tension range. Electron microscopy studies and numerical analyses confirmed that the LMs can be formed, when the Cassie‐Baxter wetting state, where θY>90° (θY: the contact angle on smooth surfaces) and θR>90° (θR: the contact angle on rough surfaces), and the metastable Cassie‐Baxter wetting state, where θY<90° and θR>90°, are realized. Finally, the synthesis of cubic polymer particles are succeeded by free radical polymerization of the cubic LMs containing a hydrophobic vinyl monomer (dodecyl acrylate) in a solvent‐free manner.

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Non‐Aqueous Polyhedral Liquid Marbles Stabilized with Polymer Plates Having Surface Roughness

Iwata,

Yoshida,

Hirai

et al. 2024

Small

View full text Add to dashboard Cite

show abstract

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pH-triggered adjustable bursting of liquid marbles in water pools

Abstract: Non-sticking millimetric droplets wrapped with micron/submicron-sized liquid repellent solid particles and aggregates are recognized as liquid marbles (LMs). LM behaves like a non-wetting solid which enables zero-loss transportation on solid...

Cited by 1 publication

References 45 publications

Non‐Aqueous Polyhedral Liquid Marbles Stabilized with Polymer Plates Having Surface Roughness

Non‐Aqueous Polyhedral Liquid Marbles Stabilized with Polymer Plates Having Surface Roughness

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