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Synthesis of Hydroxyapatite Using a Cationic Surfactant

양이온성 계면활성제를 이용한 수산화인회석 합성

  • Lee, Keunyoung (Department of Chemistry and RINS, Gyeongsang National University) ;
  • Kwon, Ki-Young (Department of Chemistry and RINS, Gyeongsang National University)
  • 이근영 (경상대학교 화학과, 경상대학교 기초과학연구소) ;
  • 권기영 (경상대학교 화학과, 경상대학교 기초과학연구소)
  • Received : 2019.09.09
  • Accepted : 2019.09.25
  • Published : 2019.10.10

Abstract

Hydroxyapatite (HAP) containing hexadecyltrimethylammonium chloride (CTAC) as a cationic surfactant was prepared by a precipitation method. X-ray diffraction (XRD), transmission electron microscopy (TEM) and micropore physisorption analyzer were used for characterizing the crystal phase, morphology and specific surface area of HAP and CTAC-HAP. After thermal treatment, the specific surface area of both pure HAP and CTAC-HAP were reduced. The sharp rod morphology of CTAC-HAP was changed into a round shape with a smaller aspect ratio after the heat treatment. The morphological change by thermal treatment was also observed in pure HAP. Therefore, the morphological change and decrease of the specific surface area suggested that pores from the removal of CTAC during thermal treatment were not retained.

Acknowledgement

Supported by : 한국기초과학지원연구원

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