WebOxygen plasma treatment decreased the contact angle of PDMS2 from 109∘ to 60∘. Exposure to tissue culture media resulted in increased PDMS surface element concentrations of nitrogen and oxygen. Polydimethylsiloxane (PDMS Sylgard® 184, Dow Corning Corporation) pre-polymer was combined with increasing amounts of cross-linker … WebOct 11, 2024 · The prepared coating showed superhydrophobicity with a water contact angle of 164° and a sliding angle less than 1.0°. In the visible light region with the wavelength range of 300–900 nm, the maximal transmittance of the superhydrophobic coating was ∼91.4%, which is higher than that of the untreated glass substrate (∼90.9%).
Oxygen plasma treatments of polydimethylsiloxane …
WebOct 1, 2024 · The contact angle of cleaned PDMS was 107° as reported in the literature [ [9], [10] ]. After all plasma treatments, the surface … WebJul 19, 2016 · Contact angle measurements are also important when assembling polydimethylsiloxane (PDMS) devices using oxygen plasma bonding. For optimal bond strength the water contact angle of plasma … rliayf
Factors affecting the surface and release properties of thin ...
WebApr 5, 2024 · This work synthesizes a new bifunctional furan derivative (PDMS-FBZ) through a sequence of hydrosilylation of nadic anhydride (ND) with polydimethylsiloxane (PDMS), reaction of the product with p-aminophenol to form PDMS-ND-OH, and its subsequent Mannich reaction with furfurylamine and CH 2 O. Then, the main chain-type copolymer … WebAug 14, 2024 · The PDMS microchannel is functionalized with aminosiloxanes (APTES) after plasma oxygen activation to create a covalent bonding with the epoxy groups of the glue. The process was … WebFigure 3b and c demonstrates that the water contact angles of PDMS before and after oxygen plasma surface treatment were 91.6 ° and 47.9 °, respectively. The improvement of hydrophilicity ... rliable wireless plans