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. 2015 Jun:51:336-45.
doi: 10.1016/j.msec.2015.03.021. Epub 2015 Mar 19.

The structure and properties of the carbon non-wovens modified with bioactive nanoceramics for medical applications

A Fraczek-Szczypta  1 , S Rabiej  2 , G Szparaga  3 , E Pabjanczyk-Wlazlo  3 , P Krol  3 , M Brzezinska  3 , S Blazewicz  1 , M Bogun  4
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The structure and properties of the carbon non-wovens modified with bioactive nanoceramics for medical applications

A Fraczek-Szczypta et al. Mater Sci Eng C Mater Biol Appl. 2015 Jun.

Abstract

The paper presents the results of the manufacture of carbon fibers (CF) from polyacrylonitrile fiber precursor containing bioactive ceramic nanoparticles. In order to modify the precursor fibers two types of bio-glasses and wollastonite in the form of nanoparticles were used. The processing variables of the thermal conversion of polyacrylonitrile (PAN) precursor fibers into carbon fibers were determined using the FTIR method. The carbonization process of oxidized PAN fibers was carried out up to 1000°C. The carbon fibers were characterized by a low ordered crystalline structure. The bioactivity tests of carbon fibers modified with a ceramic nanocomponent carried out in the artificial serum (SBF) revealed the apatite precipitation on the fibers' surfaces.

Keywords: Bioactivity; Bioglass; Carbon fibers; Nanoadditives; WAXS.

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