| SnO-P2O5계 유리에서 P2O5를 B2O3로 치환시 구조와 물성에 미치는 영향 |
| 김동환, 황차원, 김남진, 임상혁, 구동건, 김태희, 차재민1, 류봉기 |
부산대학교 재료공학과
1큐슈대학교 재료공학과 |
| Effects of Substituting B2O3 for P2O5 on the Structure and Properties of SnO-P2O5 Glass Systems |
| Dong-Hwan Kim, Cha-Won Hwang, Nam-Jin Kim, Sang-Hyeok Im, Dong-Gun Gwoo, Tae-Hee Kim, Jae-Min Cha1, Bong-Ki Ryu |
Division of Materials Science and Engineering, Pusan National University
1Departmet of Materials Science and Engineering, Kyushu University |
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| ABSTRACT |
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The investigation is directed to lead free (Pb-free) frits that can be used for organic light emitting diode, plasma display screen devices and other sealing materials. $P_2O_5$-SnO system glasses have been prepared for Pb-free low temperature glass frit. Structure and properties of the glasses with the composition SnO-$xB_2O_3-(60-x)P_2O_5$ (x=0, 5, 10, 15, 20, 25, 30, 35, 40 mol%) were characterized by infrared spectra (IR), X-ray diffraction(XRD), Density, Molar volume, Thermo mechanical analysis(TMA) and weight loss after immersion test. Glass transition temperature($T_g$), dilatometric softening temperature($T_d$) and chemical durability increased, and coefficient of thermal expansion($alpha$) decrease with the substitution of $B_2O_3$ for $P_2O_5$ in the range of 0~25 mol%. |
| Key words:
Glass, Pb-free, $P_2O_5$-SnO, Sealing materials |
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