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J. Korean Ceram. Soc. > Volume 50(6); 2013 > Article
Journal of the Korean Ceramic Society 2013;50(6): 489.
doi: https://doi.org/10.4191/kcers.2013.50.6.489
천연고분자 매트릭스를 사용한 산화티탄 나노입자의 합성
김수종, 한정화, 심재호
한라대학교 공과대학 신소재화학공학과
Preparation of Nano-sized Titanium Oxide Powder Using Natural Polymer Matrix
Soo-Jong Kim, Cheong-Hwa Han, Jae-Ho Shim
Department of Advanced Materials & Chemical Engineering, Halla University
Nano-sized titanium oxide powders were synthesized by a polymer matrix technique using pulp and Titanium tetraisopropoxide (TTIP) as starting materials. The synthesized powders were characterized by XRD and FE-SEM. The particle size of the powders was controlled by preparation conditions, such as heat treatment temperature and time. After investigating various drying and heat treatment conditions, 50-100 nm sized homogeneous titanium oxide particles were obtained by treating at $600^{circ}C$ for 1 h. The crystallization and rapid growth of particles was accelerated by increasing heat treatment temperature and time. Anatase phase generated below $600^{circ}C$ transformed to the rutile phase with increasing heat treatment temperature. Moreover, above $800^{circ}C$, heat treatment time had a very large influence on particle growth, and changing the heating condition also had a large influence on crystal growth.
Key words: $TiO_2$, Nanoparticle, Polymer matrix technique
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