Direct force measurement of microscopic droplets pulled along soft surfaces

HIGHLIGHTS

• who: Hamza K. Khattak from the Substrate preparation To prepare our PDMS stock mixture we combine DMS-, and , (Gelest) in a stoichiometric, :, ratio and mix mechanicallyThe DMS-, contains vinyl terminated end groups that can bond to methylhydrosiloxane sites on HMS-064. This stock mixture is diluted in toluene from, % to, % wt/wt solutions appropriate for spin coating films resulting in films with thickness, h, ranging from , nm to , nm. Immediately prior to spin coating, an excess of catalyst (Platinum(0)-, divinyl-1, , tetra-methyldisiloxane, Sigma-Aldrich) is added to the dilute solution (Approximately , u03bcL of, x diluted . . .
  

   

  

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