Silicones with different crosslinking patterns: Assessment from the perspective of their suitability for biomaterials

Ciubotaru, Bianca-Iulia; Zaltariov, Mirela‐Fernanda; Tugui, Codrin; Stoleru, Irina-Elena; Peptanariu, Dragos; Stiubianu, George; Vornicu, Nicoleta; Cazacu, Maria

doi:10.1016/j.surfin.2022.102168

Cited by 2 publications

(2 citation statements)

References 45 publications

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“…For example, the vinyl group can become incorporated in the siloxane backbone or other cross-linking agents may be utilized to realize addition and condensation crosslinking-reactions. [123][124][125][126] The mixture of activated PDMS chains and cross-linker is coated on a surface by e.g., spin-coating, dip-coating, or bladecoating, [127][128][129] before the reaction proceeds. Crosslinking reactions (independent of their formulation) will eventually arrive at the ''gel point''.…”

Section: Elastomeric Surfacesmentioning

confidence: 99%

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Wetting on silicone surfaces

Hauer,

Naga,

Badr

et al. 2024

Soft Matter

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Section: Elastomeric Surfacesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Wetting on silicone surfaces

Hauer,

Naga,

Badr

et al. 2024

Soft Matter

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The dielectric properties of silicone-multiwall carbon nanotubes nanocomposite in the frequency range from 0.5 to 20 GHz

Altarawneh

2024

AIP Advances

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Integrating carbon nanotubes (CNTs) into a polymer matrix can significantly modify its physical properties, providing that the challenges associated with CNT dispersion are successfully resolved. In this work, we investigate the enhancement of the dielectric properties of silicone when multiwall carbon nanotubes (MWCNTs) are introduced to its polymer matrix as a filler in the frequency range from 0.5 to 20 GHz. An optimized procedure is used to prepare nanocomposites with MWCNTs concentrations by weight of 0%, 0.5%, 1.0%, 1.5%, and 2.0%. The investigated dielectric properties for the prepared nanocomposites are the real dielectric constant ɛ′, the imaginary dielectric constant ɛ″, the loss tangent tan δ, and the AC conductivity σAC. The dispersion of the MWCNTs in the silicone matrix is confirmed using the Fourier-transform infrared (FTIR) spectroscopy and the scanning electron microscope. This study shows that the dielectric properties of the nanocomposite are enhanced as the MWCNT’s concentration is increased over the entire frequency range. For example, the enhancement in ɛ′ value was from 3.2 up to 21.6 at 0.5 GHz and from 2.5 to 10.6 at 20 GHz as the concentration increased from 0% to 2.0%. For the ɛ″ value, the enhancement was from less than 0.1 to 8.6 at 0.5 GHz and to 2.0 at 20 GHz, respectively. Based on the obtained tanδ values, the nanocomposites with MWCNTs of 0.5% and 1.0% can be classified as low-loss dielectrics, while the other nanocomposites with MWCNTs of 1.5% and 2.0% are classified as lossy dielectrics.

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Silicones with different crosslinking patterns: Assessment from the perspective of their suitability for biomaterials

Cited by 2 publications

References 45 publications

Wetting on silicone surfaces

Wetting on silicone surfaces

The dielectric properties of silicone-multiwall carbon nanotubes nanocomposite in the frequency range from 0.5 to 20 GHz

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