Modifikasi Coating Pada Permukaan Implan Ti-6Al-4VELI Berbasis Kombinasi Hidroksiapatit Cangkang Rajungan dan Polycaprolactone

Authors

  • Adinda Lulyta Naifa Nibras Departemen Teknik Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia
  • Ajeng Susanti Departemen Teknik Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia
  • Haykal Nur Fajri Ramadhan Departemen Teknik Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia
  • Villia Lidzati Kamilah Departemen Teknik Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia
  • Eva Oktavia Ningrum Departemen Teknik Kimia Industri, Fakultas Vokasi, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya, 60111, Indonesia

Keywords:

Ti-6Al-4V ELI, Hydroxyapatite, Polycaprolactone, Dip Coating

Abstract

Ti-6Al-4V ELI (Extra Low Interstitials) is widely used material in orthopedics with its excellent mechanical properties and biocompatibility. However, in application it has a risk of corrosion caused by body fluids exposure as a results in inhibitation of tissue growth. Therefore, in this study modification of the surface of the Ti-6Al-4V ELI implan by coating Hydroxyapatite (HAp) combined with Polycaprolactone (PCL) using the dip coating method was carried out. The effect of HAp/PCL coating on implant morphology is investigated. Moreover, the effects of HAp/PCL concentrations on surface roughness, corrosion rates, and coating thickness are elucidated. The results showed that the hydroxyapatite of crab shells synthesized in a compliance with Food and Drug Association standards, i.e., Ca content of 93.03%. The functional groups confirmed with HAp standard chart JCPDS no. 09-0432 with crystallinity of 88.32%. The post-coated implant showed the coating thickness range of 140-200 µm and roughness average of 120-129 nm. In addition, the corrosion rate showed 0,043-0,33 mmpy which also complied with medical standard.

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Published

2023-07-24

Issue

2023: PROSIDING SNTKK 2023

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