Tunghsu Group Co., Ltd.

Tunghsu Technology Group Co., Ltd.

Junfeng Wang

Guangtao Zhang

Dongcheng Yan

Lihong Wang

Quan Zheng

Qing Ql Li

Gang Li

Zhiyong Li

Wenmei Han

Bo Wang

Peng Tian

Xingjun Xu

Xiaoyi Wang

Qing Li

The present invention discloses an aluminosilicate glass composition, aluminosilicate glass and a preparation method therefor and application thereof. Based on the total molar weight of the aluminosilicate glass composition, the aluminosilicate glass composition comprises, by oxide, 67-74 mol % of SiO, 10-15 mol % of AlO, 0-5 mol % of BO, 1-10 mol % of MgO, 1-10 mol % of CaO, 0-3 mol % of SrO, 2-8 mol % of BaO, 0.1-4 mol % of ZnO, 0.1-4 mol % of REOand less than 0.05 mol % of RO, wherein RE represents rare earth elements, and R represents alkali metals.

Aluminosilicate glass composition, aluminosilicate glass, preparation method therefor and application thereof

The invention relates to the field of glass manufacturing, and discloses non-alkali aluminum silicate glass and a preparation method as well as application thereof. A glass melt of the non-alkali aluminum silicate glass at 1600&#xb0; C. has a resistivity of 200 &#x3a9;&#xb7;cm or less; a temperature Tcorresponding to 35000 P viscosity is 1250&#xb0; C. or more; an annealing point corresponding to 1013 P viscosity is 790&#xb0; C. or more, based on a total molar weight of the non-alkali aluminum silicate glass, the non-alkali aluminum silicate glass comprises, by oxide, 69-73 mol % of SiO, 11-15 mol % of AlO, 0-2 mol % of BO, 2-8 mol % of MgO, 2-8 mol % of CaO, 0-3 mol % of SrO, 3-10 mol % of BaO, 0.1-2 mol % of ZnO, 0.02-0.7 mol % of REO, 0.01-0.5 mol % of SeOand RO, less than 0.05 mol %, wherein RE represents rare earth elements, and R represents alkali metals.

Non-alkali aluminum silicate glass, preparation method therefor and application thereof

A composition for glass, and aluminosilicate glass, preparation method therefor, and use thereof. In molar percentage, in the composition, the total content of SiO, BO, PO, GeOand TeOis 60&#x2dc;85 mol %; the total content of AlOand GaOis 3&#x2dc;20 mol %; the total content of ZnO and YOis 0.1&#x2dc;5 mol %; and the total content of alkaline earth metal oxide is 4&#x2dc;30 mol %. The glass has a high strain point, a low melting temperature, and a high thermal expansion coefficient, has good toughness, and is suitable for large-scale industrial production.

Composition for glass, and aluminosilicate glass, preparation method therefor, and use thereof

The present disclosure relates to glass manufacturing, a glass composition, glass with a low inclusion content and a preparation method therefor and use thereof. The composition comprises 50-64 wt. % SiO, 14-24 wt. % AlO, 0-7 wt. % BO+PO, 0.5-7 wt. % MgO, 1-10 wt. % CaO, 0-9 wt. % SrO, 0.1-14 wt. % BaO, 0.1-5 wt. % ZnO, 0.1-4 wt. % TiO, 0.1-7 wt. % YO+LaO+NdO, and &#x3c;0.05 wt. % RO, wherein RO is a sum of the content of LiO, NaO and KO, and the composition satisfies the following conditions: (1) a temperature Tcorresponding to a viscosity of 100 P is 1730&#xb0; C. or higher; (2) a surface tension at 1300&#xb0; C. is less than 420 mN/m. The glass prepared by the glass composition and the glass with a low inclusion content preparation method has the advantages of having low inclusion content, having a simple preparation process, being low in cost and so on.

Glass composition, low inclusion content glass, preparation method therefor and application thereof

A composition for glass, alkaline earth aluminosilicate glass, and a preparation method therefor and applications thereof. Based on the total number of moles of each component and the counting of oxides, the composition contains 68-73 mol % of SiO, 11.5-15 mol % of AlO, 2-6 mol % of MgO, 2.5-7.5 mol % of CaO, 0-3 mol % of SrO, 2-7 mol % of BaO, 0-4 mol % of ZnO and 0.05-1.5 mol % of TiO. The glass has a high strain point, a high Young's modulus, a high specific modulus, a high Vickers hardness, high chemical stability, a high refractive index and high glass formation stability, and has a lower forming temperature, a lower melting temperature, a lower thermal expansion coefficient, a lower surface tension, a lower density, and low glass manufacturing difficulty.

Composition for glass, alkaline-earth aluminosilicate glass, and preparation method and application thereof

The present invention relates to the field of glass manufacturing, and discloses aluminoborosilicate glass, and a preparation method and an application thereof. Based on the total weight of components in the composition of the glass, the glass comprises: 33-60 wt % SiO, 3-10 wt % AlO, 10-30 wt % BO, 1-15 wt % ZnO+TiO+ScO, and 7-27 wt % alkaline-earth oxide RO, wherein RO is at least one of MgO, CaO, SrO and BaO, and 0.001 wt %&#x2264;ScO&#x2264;1 wt%. The aluminoborosilicate glass provided in the present invention has advantages including low density, high index of refraction, low thermal expansion coefficient, high thermostability, high flexibility, and easy bending, etc.

Growing community of inventors

Shijiazhuang, China

Junfeng Wang