C04B41/4584

Fiber tows with a heat-activated sizing

Fiber tows including a heat-activatable sizing are described. The sizing compositions have a first modulus at 25° C. of at least 150 megapascals (MPa) and no greater than 400 MPa; and a second modulus of 100,000 pascals (Pa) at a temperature of no greater than 160° C. Methods of preparing articles from such sized fiber tows and the articles comprising such sized fiber tows, including unidirectional and bidirectional constructions are also described.

METHOD TO FORM ALIGNED INTERFACE COATING ON SILICON CARBIDE FIBERS
20230357093 · 2023-11-09 ·

A fibrous ceramic preform includes a plurality of ceramic fibers, a first amorphous layer, and an interfacial coating layer. The interfacial coating layer includes an anisotropic region adjacent the at least one amorphous layer, and an isotropic region on a side of the anisotropic region opposite the at least one amorphous layer.

PHOTOCATALYTIC CERAMIC
20220323642 · 2022-10-13 · ·

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.

PHOTOCATALYTIC CERAMIC
20220323642 · 2022-10-13 · ·

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.

Silicon carbon composites comprising ultra low z

Silicon-carbon composite materials and related processes are disclosed that overcome the challenges for providing amorphous nano-sized silicon entrained within porous carbon. Compared to other, inferior materials and processes described in the prior art, the materials and processes disclosed herein find superior utility in various applications, including energy storage devices such as lithium ion batteries.

Silicon carbon composites comprising ultra low z

Silicon-carbon composite materials and related processes are disclosed that overcome the challenges for providing amorphous nano-sized silicon entrained within porous carbon. Compared to other, inferior materials and processes described in the prior art, the materials and processes disclosed herein find superior utility in various applications, including energy storage devices such as lithium ion batteries.

METHODS OF REDUCING FIBER CEMENT WASTE AND FIBER CEMENT ARTICLES PRODUCED THEREFROM
20220298081 · 2022-09-22 ·

A composite fibre cement cladding element, comprising a plurality of fibre cement component pieces is provided wherein the fibre cement component pieces are fused together to provide a single unit that gives the appearance of two or more courses of cladding elements in a series.

Photocatalytic ceramic
11446644 · 2022-09-20 · ·

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: making available amorphous Ti; 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 amorphous Ti, 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 TiO.sub.2 is included in the crystalline form of rutile, and tiles, sanitary ware and tableware comprising same.

Photocatalytic ceramic
11446644 · 2022-09-20 · ·

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: making available amorphous Ti; 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 amorphous Ti, 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 TiO.sub.2 is included in the crystalline form of rutile, and tiles, sanitary ware and tableware comprising same.

Magnetic powder and preparation method thereof

Provided are a SmFeN magnetic powder which is superior not only in water resistance and corrosion resistance but also in hot water resistance, and a method of preparing the powder. The present invention relates to a method of preparing a magnetic powder, comprising: plasma-treating a gas; surface-treating a SmFeN magnetic powder with the plasma-treated gas; and forming a coat layer on the surface of the surface-treated SmFeN magnetic powder.