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J. Korean Ceram. Soc. > Volume 36(7); 1999 > Article
Journal of the Korean Ceramic Society 1999;36(7): 705.
나도 티탄산 바륨의 수계 성형을 위한 슬러리 특성연구
김상우, 신용욱, 이해원, 손용배
한국과학기술연구원 세라믹공정연구센터
Investigation of Slury Properties for Aqueous Casting of Nano-Size Barium Titanate
ABSTRACT
Stability and chemical durability for aqueous casting of BaTiO3 slurry with polycarylic acid(PAA) were studied. PAA was well chemisorbed on surface of BaTiO3 powder at neutral pH but did not chemically adsorbed at low pH. The amount of Ba dissolution in aqueous BaTiO3 slurry was abruptly increased at strong acid pH2 and also at high amount of PAA. Protection of Ba dissolution and stability of slurry could be obtained through the optimization of slurry conditions such as pH amount of surfactant and solid content.
Key words: Aqueous, BaTiO$_3$, PAA, Ba dissolution, PH
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