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2017 Vol.27, Issue 1
Change of Dispersibility and Refractive Index of Zirconia Suspension Depending on Alkali Treatment Time

염기처리시간에 따른 지르코니아 현탁액의 분산성과 굴절율 변화

Choong Hee Jo12
,
Dong Seok Ham2
,
Jae Heung Lee2
,
Juwhan Ryu1
,
Kee-Yoon Lee1†
,
Seong Keun Cho2†
조 충희12
,
함 동석2
,
이 재흥2
,
류 주환1
,
이 기윤1†
,
조 성근2†
1Department of Polymer Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
2Chemical Materials Solutions Center, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
1충남대학교 고분자공학과
2한국화학연구원 화학소재솔루션센터
†Corresponding author E-Mail : kylee@cnu.ac.kr (K. Y. Lee, Chungnam Nat'l Univ) chosg@krict.re.kr (S. K. Cho, Chungnam Nat’l Univ, KRICT)
January 2017. pp. 1-7
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Abstract

Zirconia nanoparticles were widely used as filler in order to get high refractive index layer. However, dispersion of nanoparticles is difficult due to their agglomeration in solvent. In this study, the dispersibility of the zirconia suspension is promoted by controlling the steric hindrance and electrostatic interactions through the adsorption of PEI according to alkali treatment time. Also, to induce improved dispersibility on suspension, we changed the dispersion conditions variously and fabricated an ink formulation method for the coating layer. Zirconia suspension was characterized by dynamic light scattering (DLS), Zeta potential measurement, Transmission Electron Microscope (TEM) and FT-IR. We were able to confirm that good dispersion of zirconia suspension by alkali treatment and PEI led to high refractive index.

Keywords
zirconia suspension
NaOH treatment
dispersion
refractive index
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 27
  • No :1
  • Pages :1-7
  • Received Date : 2016-09-13
  • Revised Date : 2016-11-01
  • Accepted Date : 2016-11-02
  • DOI :https://doi.org/10.3740/MRSK.2017.27.1.1
Journal Informaiton Korean Journal of Materials Research Korean Journal of Materials Research
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