A method for preparing an optically transparent, superomniphobic glass composition is described. In one aspect, the present disclosure provides a method for preparing a glass composition, including heating a borosilicate glass comprising 45-85 wt. % silicon oxide and 10-40 wt. % boron oxide to form a phase-separated glass comprising an interpenetrating network of silicon oxide domains and boron oxide domains. The method includes removing at least a portion of the boron oxide domains from the phase-separated glass and depositing a hydrophobic silane to provide a porous glass having a hydrophobic silane layer disposed on a portion of the surface thereof, a total pore volume of 15-50 vol. %, and an average pore diameter of 20-300 nm. The method includes, within at least a portion of the volume of the porous glass, forming an aerogel precursor, and converting at least a portion of the aerogel precursor to an aerogel.

The present invention is directed to a process for producing a sintered lithium disilicate glass ceramic dental restoration out of a porous 3-dim article, the process comprising the step of sintering the porous 3-dim article having the shape of a dental restoration with an outer and inner surface to obtain a sintered lithium disilicate ceramic dental restoration, the sintered lithium disilicate glass ceramic dental restoration comprising Si oxide calculated as SiO2 from 55 to 80 wt.-%, Li oxide calculated as Li2O from 7 to 16 wt.-%, Al oxide calculated as Al2O3 from 1 to 5 wt.-%, and P oxide calculated as P2O5 from 1 to 5 wt.-%, wt.-% with respect to the weight of the dental restoration,
the sintering being done under reduced atmospheric pressure conditions, the reduced atmospheric pressure conditions being applied at a temperature above 600° C.

The present invention is also directed to a kit of parts comprising a porous 3-dim article having the shape of a dental milling block and a respective instruction of use.

Provided is a silicate glass, a method for preparing a silicate glass-ceramics by using the silicate glass, and a method for preparing a lithium disilicate glass-ceramics by using the silicate glass, and more particularly, to a method for preparing a glass-ceramics that has a nanosize of 0.2 to 0.5 μm and contains lithium disilicate and silicate crystalline phases. A nano lithium disilicate glass-ceramics containing a SiO.sub.2 crystalline phase includes: a glass composition including 70 to 85 wt % SiO.sub.2, 10 to 13 wt % Li.sub.2O, 3 to 7 wt % P.sub.2O.sub.5 working as a nuclei formation agent, 0 to 5 wt % Al.sub.2O.sub.3 for increasing a glass transition temperature and a softening point and enhancing chemical durability of glass, 0 to 2 wt % ZrO.sub.2, 0.5 to 3 wt % CaO for increasing a thermal expansion coefficient of the glass, 0.5 to 3 wt % Na.sub.2O, 0.5 to 3 wt % K.sub.2O, and 1 to 2 wt % colorants, and 0 to 2.0 wt % mixture of MgO, ZnO, F, and La.sub.2O.sub.3.

A glazing material for producing a glazed ceramic body, in which at a first temperature T.sub.1, the glazing material has a viscosity of more than 10.sup.2.5 Pa.Math.s, in particular more than 10.sup.4.0 Pa.Math.s, preferably more than 10.sup.5.6 Pa.Math.s and particularly preferably more than 10.sup.7.0 Pa.Math.s, and, which at a second temperature T.sub.2, which is higher than the first temperature, a viscosity of less than 10.sup.9 Pa.Math.s, in particular less than 10.sup.7 Pa.Math.s and preferably less than 10.sup.5.6 Pa.Math.s. The glazing material can be used for glazing a non-densely sintered substrate material.

A method of forming a dissolvable part of amorphous borate includes: preparing a mixture comprising one or more boron compounds and one or more alkali compounds, at least one of the one or more boron compounds and the one or more alkali compounds being hydrous; heating the mixture to a melting temperature for a predetermined time to melt the mixture and release water from the mixture to form an anhydrous boron compound that is moldable, wherein the amount of alkali compound being selected to achieve an alkali oxide content of between about 10 to 25%; with the anhydrous boron compound at a molding temperature, molding the anhydrous boron compound in a mold; and cooling the anhydrous boron compound to form a solid.

The present invention pertains to a glass for strengthening, that: has an average transmittance of at least 70% when converted to a thickness of 0.8 mm at a wavelength of 380-780 nm; has a haze value of no more than 0.7% when converted to a thickness of 0.8 mm in a C light source; has a Young's modulus of at least 85 GPa; has a fracture toughness value of at least 0.90 MPa.Math.m.sup.1/2; a thermal conductivity at 20° C. of at least 1.3 W/m.Math.K; and comprises a lithium aluminosilicate crystallized glass.

A bioactive glass composition for use in treating bone cancer includes 0.5-10 mol % gallium oxide or 1.0-20 mol % gallium nitrate/halide; 25 to 75 mol % silicon dioxide; 10 to 30 mol % calcium oxide and/or strontium oxide; up to 30 mol % sodium oxide; and up to 15 mol % phosphorous pentoxide. It may further comprise magnesium and/or potassium oxide. The bioactive glass composition may be positioned within a patient's bone post-surgery to promote apatite formation and to release gallium ions having a toxic effect on any remaining cancerous cells.

A method of forming a dissolvable part of amorphous borate includes: preparing a mixture comprising one or more boron compounds and one or more alkali compounds, at least one of the one or more boron compounds and the one or more alkali compounds being hydrous; heating the mixture to a melting temperature for a predetermined time to melt the mixture and release water from the mixture to form an anhydrous boron compound that is moldable, wherein the amount of alkali compound being selected to achieve an alkali oxide content of between about 10 to 25%; with the anhydrous boron compound at a molding temperature, molding the anhydrous boron compound in a mold; and cooling the anhydrous boron compound to form a solid.

A trim element for a motor vehicle that includes at least one glass sheet having an absorption coefficient lower than 5 m.sup.−1 in the wavelength range from 1051 nm to 1650 nm and having an external and an internal faces. An infrared-based remote sensing device in the wavelength range from 1051 nm to 1650 nm is placed behind the internal face of the glass sheet.

A trim element for a motor vehicle that includes at least one glass sheet having an absorption coefficient comprised between 5 m.sup.−1 and 15 m.sup.−1 in the wavelength range from 750 to 1650 nm and having an external and an internal faces. An infrared-based remote sensing device in the wavelength range from 750 to 1650 nm is placed behind the internal face of the glass sheet.