Glass flakes according to the present invention include: glass flake substrates; and a coating covering at least a portion of a surface of each of the glass flake substrates and composed of a binder. The binder includes a bismaleimide compound, a resin, and a silane coupling agent as essential components and includes a peroxide as an optional component. The proportion of the peroxide in the binder is 8 mass % or less.

The glass flakes of the present invention include first glass flake substrates and second glass flake substrates and satisfy at least either of the following conditions (A) and (B): (A) an average thickness of the first glass flake substrates is 0.05 to 2 m, an average thickness of the second glass flake substrates is 2 to 20 m, and the average thickness of the second glass flake substrates is 3 or more times greater than the average thickness of the first glass flake substrates; and (B) a thickness D1 representing a modal value of a thickness distribution (on a number basis) of the first glass flake substrate is 0.03 to 2.5 m, a thickness D2 representing a modal value of a thickness distribution (on a number basis) of the second glass flake substrates is 1.5 to 25 m, and the thickness D2 is 2 or more times greater than the thickness D1.

Glass flakes of the present invention have an average particle diameter of 0.1 to 15 m and an average thickness of 0.1 to 2 m. The glass flakes have a particle size distribution in which the particle diameter at 99% of the cumulative volume from the smaller particle diameter is 45 m or less, and the maximum particle diameter of the glass flakes is 62 m or less.

Glass flakes of the present invention have an average particle diameter of 0.1 to 15 m and an average thickness of 0.1 to 2 m. The glass flakes have a particle size distribution in which the particle diameter at 99% of the cumulative volume from the smaller particle diameter is 45 m or less, and the maximum particle diameter of the glass flakes is 62 m or less.

Disclosed herein are methods for forming low melting point glass fibers comprising providing a glass feedstock comprising a low melting point glass and melt-spinning the glass feedstock to produce glass fibers, wherein the glass transition temperature of the glass fibers is less than or equal to about 120% of the glass transition temperature of the glass feedstock. The disclosure also relates to method for forming low melting point glass frit further comprising jet-milling the glass fibers. Low melting point glass frit and fibers produced by the methods described above are also disclosed herein.

Disclosed herein are methods for forming low melting point glass fibers comprising providing a glass feedstock comprising a low melting point glass and melt-spinning the glass feedstock to produce glass fibers, wherein the glass transition temperature of the glass fibers is less than or equal to about 120% of the glass transition temperature of the glass feedstock. The disclosure also relates to method for forming low melting point glass frit further comprising jet-milling the glass fibers. Low melting point glass frit and fibers produced by the methods described above are also disclosed herein.

A solid state method of producing inorganic nanoparticles using glass is disclosed. The nanoparticles may not be formed until the glass is reacted with or degraded by contact with a fluid in vivo or in vitro.

A solid state method of producing inorganic nanoparticles using glass is disclosed. The nanoparticles may not be formed until the glass is reacted with or degraded by contact with a fluid in vivo or in vitro.

Glass flakes of the present invention include glass flake substrates and a coating covering at least a portion of the surface of each of the glass flake substrates and composed of a binder. The binder includes a lubricant other than silicone, or a lubricant and an aminosilane. The proportion of the lubricant in the binder is 30 mass % or less.

To provide granules for the production of silicate glass, said granules being less likely to adhere even if heated at a high temperature exceeding 800 C. A method for producing granules, which has a step of mixing a glass raw material composition composed essentially of an alkali metal source, an alkaline earth metal source and a powdery silicon source, with water, followed by compression molding, and which is characterized in that the glass raw material composition contains at least 50 mass % of the silicon source, and at least 10 mass % in total of the alkali metal source and the alkaline earth metal source, as calculated as oxides, based on 100 mass % of the silicate glass obtainable from the granules, the alkali metal source contains an alkali metal carbonate, and D90 representing the particle size at a cumulative volume of 90% in the particle size accumulation curve of the alkaline earth metal source is at most 100 m.