Fibers and Polymers

, Volume 20, Issue 2, pp 236–243 | Cite as

Polyester/Polylactic Acid/Stainless Steel Composite Bone Scaffolds Made by Electrochemical Treatment: Process Design and Property Evaluations

  • Mei-Chen Lin
  • Ching-Wen Lou
  • Jan-Yi Lin
  • Ting An Lin
  • Shih-Peng Wen
  • Jia-Horng LinEmail author


This study combines and twists 75D polyester (PET) multi-filaments and polylactic acid (PLA) multi-filaments with twist coefficients of 2, 3, 4, 5, and 6 to form 150D PET/PLA plied yarns. The 0.08-mm-diameter stainless steel (SS) fibers are made into SS braids with a 60-tooth braid gear and a take-up gear with 60, 70, 80, 90, or 100 teeth. PET/PLA plied yarn and SS braids are then combined and electrochemically treated with an electric current of 100, 200, 300, 400, or 500 mA at 60 °C for 24 hours, forming the PET/PLA/SS composite bone scaffolds. PET/PLA/SS composite bone scaffolds are observed by scanning electron microscope (SEM) and energy dispersive spectroscope (EDS), and tested for weight increase rate and biocompatibility. The experiment results show that the optimal twist coefficient for PET/PLA plied yarn is 4 and the optimal tooth number on the take-up gear for SS braids is 80. SEM observation result shows that hydroxyapatite (HA) deposits on the surface of PET/PLA/SS composite bone scaffolds and attaches to the PET/PLA plied yarns. Finally, regardless of electric currents, all PET/PLA/SS composite bone scaffolds possess good biocompatibility.


Bone scaffolds Electrochemical treatment Polylactic acid (PLA) Stainless steel (SS) Hydroxyapatite (HA) 


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Copyright information

© The Korean Fiber Society 2019

Authors and Affiliations

  • Mei-Chen Lin
    • 1
  • Ching-Wen Lou
    • 2
    • 3
    • 4
    • 5
    • 6
  • Jan-Yi Lin
    • 1
  • Ting An Lin
    • 1
  • Shih-Peng Wen
    • 1
  • Jia-Horng Lin
    • 3
    • 4
    • 7
    • 8
    • 9
    • 10
    Email author
  1. 1.Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite MaterialsFeng Chia UniversityTaichungTaiwan
  2. 2.School of TextilesTianjin Polytechnic UniversityTianjinChina
  3. 3.Department of Chemical Engineering and MaterialsOcean College, Minjiang UniversityFujianChina
  4. 4.College of Textile and ClothingQingdao UniversityShangdongChina
  5. 5.Department of Medical ResearchChina Medical University Hospital, China Medical UniversityTaichungTaiwan
  6. 6.Department of Bioinformatics and Medical EngineeringAsia UniversityTaichungTaiwan
  7. 7.School of Chinese MedicineChina Medical UniversityTaichungTaiwan
  8. 8.Department of Fashion DesignAsia UniversityTaichungTaiwan
  9. 9.Department of Fiber and Composite MaterialsFeng Chia UniversityTaichungTaiwan
  10. 10.Innovation Platform of Intelligent and Energy-Saving TextilesSchool of Textiles, Tianjin Polytechnic UniversityTianjinChina

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