Fluorescent rare earth glass frits are suitable for laser marking. A marking composition including fluorescent glass frits is disclosed that is capable of emitting fluorescence under irradiation of ultraviolet rays. A method of forming marks or indicia on a substrate using the fluorescent rare earth glass frits is also disclosed.

Ceramic tile having a ceramic base layer and a cover glaze layer including a printed pattern, where the surface of the ceramic tile has a relief having structural features corresponding to the printed pattern. The relief being basically formed as a plurality of excavations present in the generally plane upper surface of the ceramic tile and the structural features have a depth such that they are completely situated above the ceramic base layer.

Ceramic tile having a ceramic base layer and a cover glaze layer including a printed pattern, where the surface of the ceramic tile has a relief having structural features corresponding to the printed pattern. The relief being basically formed as a plurality of excavations present in the generally plane upper surface of the ceramic tile and the structural features have a depth such that they are completely situated above the ceramic base layer.

A ceramic product includes a glass layer having 0.1 wt % to 9 wt % of a luster pigment for providing a metallic look. The glass layer includes 40 wt % to 60 wt % of silicon dioxide, 15 wt % to 35 wt % of boron oxide, 18 wt % or less of one or more alkali metal oxides selected from the group consisting of lithium oxide, sodium oxide, and potassium oxide, 4 wt % or less of one or more alkali metal oxides selected from lithium oxide and sodium oxide, and 5 wt % or more of potassium oxide.

A ceramic product includes a glass layer having 0.1 wt % to 9 wt % of a luster pigment for providing a metallic look. The glass layer includes 40 wt % to 60 wt % of silicon dioxide, 15 wt % to 35 wt % of boron oxide, 18 wt % or less of one or more alkali metal oxides selected from the group consisting of lithium oxide, sodium oxide, and potassium oxide, 4 wt % or less of one or more alkali metal oxides selected from lithium oxide and sodium oxide, and 5 wt % or more of potassium oxide.

The invention relates to the field of building ceramic materials, and specifically discloses a soft light super-wear-resistant diamond glaze, a ceramic tile and a preparation method thereof. The main raw materials of the super-wear-resistant diamond glaze in parts by weight are as follows: 30-70 parts of a frit, 20-55 parts of an aggregate, 0.1-6 parts of an additive, 30-50 parts of water; the frit contains Al.sub.2O.sub.3≤10%, Na.sub.2O+K.sub.2O≤3%. Correspondingly, the present invention also discloses a super-wear-resistant diamond glazed ceramic tile and a preparation method thereof. The diamond glaze disclosed in present invention has the characteristics of excellent transparency, good wear resistance and stain resistance and almost has no air bubbles.

The invention relates to the field of building ceramic materials, and specifically discloses a soft light super-wear-resistant diamond glaze, a ceramic tile and a preparation method thereof. The main raw materials of the super-wear-resistant diamond glaze in parts by weight are as follows: 30-70 parts of a frit, 20-55 parts of an aggregate, 0.1-6 parts of an additive, 30-50 parts of water; the frit contains Al.sub.2O.sub.3≤10%, Na.sub.2O+K.sub.2O≤3%. Correspondingly, the present invention also discloses a super-wear-resistant diamond glazed ceramic tile and a preparation method thereof. The diamond glaze disclosed in present invention has the characteristics of excellent transparency, good wear resistance and stain resistance and almost has no air bubbles.

A process for manufacturing glazed ceramic tiles from a substrate of green clay having at least one groove extending within the surface of the tile, wherein the groove is imparted to the tile while the substrate is still green clay before the substrate is bisque or glaze fired. A tile fabricated using this process is also part of the invention.

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: —making available at least one amorphous metal; —making available a biomimetic material or a biomaterial based on calcium phosphate; —functionalizing said biomimetic material or said biomaterial based on calcium phosphate, with said at least one amorphous metal, obtaining a functionalized and oriented composite; —adding said functionalized composite to a ceramic mixture, and/or applying said functionalized composite on a ceramic semi-finished product, where ceramic semi-finished product means the ceramic material before baking; —applying said functionalized composite on a ceramic semi-finished product; —baking at a temperature between 600 and 1400° C., preferably between 900 and 1300° C., for a time that varies from 20 to 500 minutes, obtaining an antibacterial photocatalytic ceramic. The present invention further relates to a photocatalytic ceramic material that comprises a biomimetic material having a nanostructured hierarchical structure with macro and micro cavities, within which at least one photocatalytic material selected from metal oxides and/or sulphides in the crystalline form with a rutile-like structure is included, and tiles, sanitary ware and tableware comprising the same.

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: —making available at least one amorphous metal; —making available a biomimetic material or a biomaterial based on calcium phosphate; —functionalizing said biomimetic material or said biomaterial based on calcium phosphate, with said at least one amorphous metal, obtaining a functionalized and oriented composite; —adding said functionalized composite to a ceramic mixture, and/or applying said functionalized composite on a ceramic semi-finished product, where ceramic semi-finished product means the ceramic material before baking; —applying said functionalized composite on a ceramic semi-finished product; —baking at a temperature between 600 and 1400° C., preferably between 900 and 1300° C., for a time that varies from 20 to 500 minutes, obtaining an antibacterial photocatalytic ceramic. The present invention further relates to a photocatalytic ceramic material that comprises a biomimetic material having a nanostructured hierarchical structure with macro and micro cavities, within which at least one photocatalytic material selected from metal oxides and/or sulphides in the crystalline form with a rutile-like structure is included, and tiles, sanitary ware and tableware comprising the same.