Abstract

Two different perfluoropolyether-based fluids, namely the unfunctionalized GALDEN SV90 ® and the dihydroxy derivative FOMBLIN Z-DOL ® 2000 were employed as liquid samples in a poly(dimethylsiloxane) (PDMS) microfluidic setup, fabricated by soft-lithography techniques. The results of our investigation were compared with the behaviour of the low viscosity and high-fragility polyurethane structural adhesive (NOA72 ®), that is well known as an excellent material for the fabrication of sub-micrometer structures by soft-lithography techniques, and whose structural elastic properties inside restricted geometric systems have been recently investigated.

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