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ISSN : 1225-0562(Print)
ISSN : 2287-7258(Online)
Korean Journal of Materials Research Vol.29 No.10 pp.631-638

Printability of Thermally and Chemically Stable Silica-Titanium Dioxide Composite Coating Layer

Hye Jin Kim1,2,Kyu Sung Han1,Kwang Taek Hwang1,Sahn Nahm2,Jin Ho Kim1†
1Ceramic ware Center, Korea Institute of Ceramic Engineering and Technology, Icheon 17303, Republic of Korea
2Department of Material Science and Engineering, Korea University, Seoul 02841, Republic of Korea
Corresponding author
E-Mail : (J. H. Kim, KICET)


As automation systems become more common, there is growing interest in functional labeling systems using organic and inorganic hybrid materials. Especially, the demand for thermally and chemically stable labeling paper that can be used in a high temperature environment above 300 oC and a strong acid and base atmosphere is increasing. In this study, a composite coating solution for the development of labeling paper with excellent thermal and chemical stability is prepared by mixing a silica inorganic binder and titanium dioxide. The silica inorganic binder is synthesized using a sol-gel process and mixed with titanium dioxide to improve whiteness at high-temperature. Adhesion between the polyimide substrate and the coating layer is secured and the surface properties of the coating layer, including the thermal and chemical stability, are investigated in detail. The effects of the coating solution dispersion on the surface properties of the coating layer are also analyzed. Finally, it is confirmed that the developed functional labeling paper showed excellent printability.

실리카–이산화티탄 복합 코팅층의 열적, 화학적 안정성 및 인쇄적성 평가

1한국세라믹기술원 도자융합기술센터, 2고려대학교 신소재공학과