Study of PEO on LTI carbon surfaces by ellipsometry and tribometry

Jinyu Wang; Eric Stroup; Xing Fa Wang; Joseph D. Andrade

doi:10.1117/12.47179

1 November 1991 Study of PEO on LTI carbon surfaces by ellipsometry and tribometry

Jinyu Wang, Eric Stroup, Xing Fa Wang, Joseph D. Andrade

Proceedings Volume 1519, International Conference on Thin Film Physics and Applications; (1991) https://doi.org/10.1117/12.47179
Event: International Conference on Thin Film Physics and Applications, 1991, Shanghai, China

Abstract

Proteins absorb to almost all surfaces during the first few minutes of exposure. Surfaces that show minimal protein absorption are important in many biomedical applications. Moreover, patient discomfort due to poor lubricating action between tissue and various medical devices, especially contact lenses, is a serious medical problem. An effective polymer for protein- resistant surfaces and improved lubrication properties appears to be polyethylene oxide (PEO). Here we report a study of PEO films on low temperature isotropic (LTI) carbon surfaces, including preparation using a photochemical reaction, characterization of the thickness of the PEO layer by ellipsometry and measurement of coefficient of friction with a custom built tribometer.

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Jinyu Wang, Eric Stroup, Xing Fa Wang, and Joseph D. Andrade "Study of PEO on LTI carbon surfaces by ellipsometry and tribometry", Proc. SPIE 1519, International Conference on Thin Film Physics and Applications, (1 November 1991); https://doi.org/10.1117/12.47179

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