Abstract
Tinfluride-tungsten-borophosphate (SnF2-WO3-B2O3-P2O5) (SWBP) glass was prepared for sealant material by the traditional melt-quenching method. Full characterization has been carried out by FTIR and Raman spectra, as well as by the XPS spectroscopies, concluding that the non-bridging oxygen existed extensivelyin network, the ratio of non-bridging oxygen (NBO) to bridging oxygen (BO) was 16:1, which was considered to be sign of a stable structure. Meanwhile, the Sn(IV) to Sn(II) was 7:3, and the FSn to FP was 7:3. The distinct structure lead to unique properties. Differential scanning calorimetry (DSC) of glass showed that the transition temperature was below 150 °C, and no crystalline points were found. Relative to chemical stability, the glass exhibited remarkable water durability and have a weight loss about 0.5 wt% in immersing measurements. In addition, proposed glass powder showed superior liquidity on metal substrate at 300 °C, which provides new ideas for the development of lower temperature and environmentally friendly of sealant materials.
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