Improved physicochemical properties and biocompatibility of stainless steel implants by PVA/ZrO2-based composite coatings

Pei Jung Lee; Chia Che Ho; Chii Shyang Hwang; Shinn Jyh Ding

doi:10.1016/j.surfcoat.2014.08.066

Improved physicochemical properties and biocompatibility of stainless steel implants by PVA/ZrO₂-based composite coatings

Pei Jung Lee, Chia Che Ho, Chii Shyang Hwang, Shinn Jyh Ding

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The aim of this study was to improve the physicochemical properties and biocompatibility of stainless steel used in medical applications. Polyvinyl alcohol (PVA) was added to a zirconium oxynitrate solution to form a polymer complex solution, which was then coated on the stainless steel substrates and heat treated to produce a thin film. The samples were characterized using various surface analysis techniques, electrochemical corrosion experiments, and biocompatibility assays. The results indicated that the amorphous PVA/ZrO₂-based composite coatings were dense and uniform structure featured with few defects. Increased PVA contents yielded higher film thicknesses, which were correlated with the resulting solution viscosities. The PVA/ZrO₂-based composite coatings on stainless steel substrates resulted in enhanced corrosion protection and displayed excellent adhesion and hydrophilicity. In addition, the PVA/ZrO₂-based composite coatings improved the biocompatibility of the stainless steel substrates compared with the coating without PVA. In summary, the PVA/ZrO₂-based composite coatings can be considered an effective surface modification of stainless steel implants.

Original language	English
Pages (from-to)	374-380
Number of pages	7
Journal	Surface and Coatings Technology
Volume	258
DOIs	https://doi.org/10.1016/j.surfcoat.2014.08.066
Publication status	Published - 2014 Nov 15

All Science Journal Classification (ASJC) codes

General Chemistry
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.surfcoat.2014.08.066

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title = "Improved physicochemical properties and biocompatibility of stainless steel implants by PVA/ZrO2-based composite coatings",

abstract = "The aim of this study was to improve the physicochemical properties and biocompatibility of stainless steel used in medical applications. Polyvinyl alcohol (PVA) was added to a zirconium oxynitrate solution to form a polymer complex solution, which was then coated on the stainless steel substrates and heat treated to produce a thin film. The samples were characterized using various surface analysis techniques, electrochemical corrosion experiments, and biocompatibility assays. The results indicated that the amorphous PVA/ZrO2-based composite coatings were dense and uniform structure featured with few defects. Increased PVA contents yielded higher film thicknesses, which were correlated with the resulting solution viscosities. The PVA/ZrO2-based composite coatings on stainless steel substrates resulted in enhanced corrosion protection and displayed excellent adhesion and hydrophilicity. In addition, the PVA/ZrO2-based composite coatings improved the biocompatibility of the stainless steel substrates compared with the coating without PVA. In summary, the PVA/ZrO2-based composite coatings can be considered an effective surface modification of stainless steel implants.",

author = "Lee, {Pei Jung} and Ho, {Chia Che} and Hwang, {Chii Shyang} and Ding, {Shinn Jyh}",

note = "Publisher Copyright: {\textcopyright} 2014 Elsevier B.V.",

year = "2014",

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day = "15",

doi = "10.1016/j.surfcoat.2014.08.066",

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AU - Lee, Pei Jung

AU - Ho, Chia Che

AU - Hwang, Chii Shyang

AU - Ding, Shinn Jyh

PY - 2014/11/15

Y1 - 2014/11/15

N2 - The aim of this study was to improve the physicochemical properties and biocompatibility of stainless steel used in medical applications. Polyvinyl alcohol (PVA) was added to a zirconium oxynitrate solution to form a polymer complex solution, which was then coated on the stainless steel substrates and heat treated to produce a thin film. The samples were characterized using various surface analysis techniques, electrochemical corrosion experiments, and biocompatibility assays. The results indicated that the amorphous PVA/ZrO2-based composite coatings were dense and uniform structure featured with few defects. Increased PVA contents yielded higher film thicknesses, which were correlated with the resulting solution viscosities. The PVA/ZrO2-based composite coatings on stainless steel substrates resulted in enhanced corrosion protection and displayed excellent adhesion and hydrophilicity. In addition, the PVA/ZrO2-based composite coatings improved the biocompatibility of the stainless steel substrates compared with the coating without PVA. In summary, the PVA/ZrO2-based composite coatings can be considered an effective surface modification of stainless steel implants.

AB - The aim of this study was to improve the physicochemical properties and biocompatibility of stainless steel used in medical applications. Polyvinyl alcohol (PVA) was added to a zirconium oxynitrate solution to form a polymer complex solution, which was then coated on the stainless steel substrates and heat treated to produce a thin film. The samples were characterized using various surface analysis techniques, electrochemical corrosion experiments, and biocompatibility assays. The results indicated that the amorphous PVA/ZrO2-based composite coatings were dense and uniform structure featured with few defects. Increased PVA contents yielded higher film thicknesses, which were correlated with the resulting solution viscosities. The PVA/ZrO2-based composite coatings on stainless steel substrates resulted in enhanced corrosion protection and displayed excellent adhesion and hydrophilicity. In addition, the PVA/ZrO2-based composite coatings improved the biocompatibility of the stainless steel substrates compared with the coating without PVA. In summary, the PVA/ZrO2-based composite coatings can be considered an effective surface modification of stainless steel implants.

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Improved physicochemical properties and biocompatibility of stainless steel implants by PVA/ZrO₂-based composite coatings

Abstract

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