SEALING/COATING MATERIAL

• Main Author: MAEDA KOZO
• Format: Patent
• Language: English; Japanese
• Published: 28.03.2022
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS

To provide a sealing/coating material that is free of lead oxide and alkali metal oxide and can be fired at relatively low temperatures, does not crystallize, and has excellent acid resistance.SOLUTION: The present invention discloses glass for sealing/coating that is substantially free of lead oxide and alkali metal oxide and contains, in mol%, SiO2: 30-50%, Al2O3: 1-10%, B2O3: 10-32%, BaO: 5-25%, ZnO: 1-10%, Bi2O3: 0-6%, and RO (R encompasses Mg, Ca, Sr, Ba, and Zn): 18-40 mol%, and a sealing/coating material including the same.SELECTED DRAWING: None 【課題】酸化鉛，アルカリ金属酸化物を含有せず，比較的低温で焼成でき，結晶化せず，耐酸性に優れた封着・被覆用材を提供すること。【解決手段】実質的に酸化鉛もアルカリ金属酸化物も含有せず，モル％で，ＳｉＯ２：３０～５０％，Ａｌ２Ｏ３：１～１０％，Ｂ２Ｏ３：１０～３２％，ＢａＯ：５～２５％，ＺｎＯ：１～１０％，Ｂｉ２Ｏ3：０～６％，及びＲＯ（Ｒは，Ｍｇ，Ｃａ，Ｓｒ，Ｂａ，及びＺｎを包括的に表す。）：１８～４０モル％であることを特徴とする封着・被覆用ガラス，及びこれを含んでなる封着・被覆用材。【選択図】なし