Changes in Surface Condition during Fabrication Process of Bioactive Apatite Nuclei Incorporated PEEK

Takeshi Yabutsuka; Tomoko Hiruta; Shigeomi Takai; Takeshi Yao

doi:10.4028/www.scientific.net/KEM.782.182

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 782Changes in Surface Condition during Fabrication...

Changes in Surface Condition during Fabrication Process of Bioactive Apatite Nuclei Incorporated PEEK

Abstract:

We aimed to clarify the effect of sulfuric acid treatment and oxygen plasma treatment on changes in surface condition of PEEK substrates during fabrication process of bioactive apatite nuclei (AN) precipitated PEEK. We treated PEEK substrate by sulfuric acid treatment. This treatment contributed to provide micropores and sulfo groups on the surface of the PEEK. Next, we treated the PEEK with oxygen plasma at 200 W for 4 minutes. By this treatment, both generation of carboxyl groups and increase of sulfo groups were occurred and significant improvement of hydrophilicity of the surface of the PEEK was occurred. Finally, we precipitated AN on the surface of the PEEK. By this treatment, high apatite-forming ability was achieved.

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Key Engineering Materials (Volume 782)

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182-188

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https://doi.org/10.4028/www.scientific.net/KEM.782.182

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Online since:

October 2018

Authors:

Takeshi Yabutsuka*, Tomoko Hiruta, Shigeomi Takai, Takeshi Yao

Keywords:

Acid Treatment, Apatite Nuclei, Oxygen Plasma Treatment, PEEK, Surface Condition

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