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J. Korean Ceram. Soc. > Volume 43(10); 2006 > Article
Journal of the Korean Ceramic Society 2006;43(10): 635.
doi: https://doi.org/10.4191/kcers.2006.43.10.635
다성분 용매와 암모늄계 분산제가 적용된 투명 유전체 프릿트 슬립의 분산거동
김주원, 전영환1, 황종희1, 이상진
국립목포대학교 신소재공학전공
1요업(세라믹)기술원 유리디스플레이팀
Dispersion Behavior of Transparent Dielectric Glass Frits in the Multi-Solvent and Ammonium-Type Dispersant System
Joo-Won Kim, Young-Hwan Chun1, Jong-Hee Hwang1, Sang-Jin Lee
Department of Advanced Materials Science and Engineering, Mokpo National University
1Glass and Display Team, Korea Institute of Ceramic Engineering and Technology
Dispersion behavior of the slurries consisted of Pb or Bi-based glass frits, which are used for the fabrication of green sheet as PDP front panel transparent dielectric, was examined in non-aqueous solvent system. Measurements of sedimentation height and viscosity were conducted to determine proper dispersion condition in the various solvent and dispersant system. Azotropic compound and ethyl acetate were used as the solvent and ammonium-type dispersant was applied to the slurries. All slurries were dispersed well in azotropic solvent system involving 20$sim$50 vol% ethyl acetate at 2$sim$3 wt% dispersant content. Especially, dispersion behavior was notably improved in the addition of ethyl acetate in the Bi-based frit slurry.
Key words: Frit, Dispersion, Slurry, Azotropic compound, Ethyl acetate, Sedimentation
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