Abstract
Surface properties of the polydimethylsiloxane (PDMS)-based inorganic/organic hybrids films prepared from silanol-terminated PDMS and titanium tetra-isopropoxide (TIP) were investigated with an aim at the application to the thermal-fixation roll for electro-photographic printers. The 300°C-treated hybrid film with the PDMS/TIP molar ratio of 0.5 exerted a relatively high contact angle of water as ∼115°C. It was found by using Tapping-Mode Atomic Force Microscopy (AFM) that the hybrid film surface changed from lamella structure to sea-island structure with the increase of PDMS content when heat-treated at 150°C, and became homogenous surface over 300°C. The phase-shift detected by AFM was negative shift, showing that hybrid surface became more hydrophobic as the PDMS/TIP molar ratios of 0.35 and 4.0 exhibited excellent “toner-offset” property of showing no adhesion of toners, suggesting their practical use in the photographic printers.
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Shindou, T., Katayama, S., Yamada, N. et al. Effect of Composition on Surface Properties of Polydimethylsiloxane-based Inorganic/Organic Hybrid Films. Journal of Sol-Gel Science and Technology 30, 229–237 (2004). https://doi.org/10.1023/B:JSST.0000039528.70437.fe
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DOI: https://doi.org/10.1023/B:JSST.0000039528.70437.fe