Ppg Industries Ohio, Inc.

Electric Glass Fiber America, LLC

Other

Paul A Westbrook

Hong Li

Jian Meng

Vedagiri Velpari

Timothy E Marsh

Stuart Damon Hellring

James C Watson

Thomas V Thimons

John W Rich

Steven Joel Parks

Houston Slade Brown

Mitchell V Bruce

Gordon Nameni

Songhao Wang

William Leehr

Dennis Gilmore

Mike Fagg

Dominic E Verdini

The present invention relates generally to glass compositions incorporating rare earth oxides (REO). In one embodiment, a glass composition suitable for fiber forming comprises 51-70 wt. % SiO, 12.5-22 wt. % AlO, 0-20 wt. % CaO, 0-11 wt. % MgO, 0.2-1 wt. % FeO, 0.05 or greater wt. % REO, and greater than 1 wt. % MnO. In another embodiment, a glass composition suitable for fiber forming comprises 51-70 wt. % SiO, 12.5-22 wt. % AlO, 0-20 wt. % CaO, 0-11 wt. % MgO, 0.2-1 wt. % FeO, 0.05 or greater wt. % REO, 0-4 wt. % BaO, 0-4 wt. % SrO, and 0-5.5 wt. % ZnO, wherein the sum of BaO+SrO+ZnO is greater than about 2 wt. %. In another embodiment, a glass composition suitable for fiber forming comprises 51-70 wt. % SiO, 12.5-22 wt. % AlO, 0-20 wt. % CaO, 0-11 wt. % MgO, 0.2-1 wt. % FeO, 0.05 or greater wt. % REO, and from greater than 0 to 2.5 wt. % CuO. In another embodiment, a glass composition suitable for fiber forming comprises 51-70 wt. % SiO, 12.5-22 wt. % AlO, 0-20 wt. % CaO, 0-12.5 wt. % MgO, 0.2-1 wt. % FeO, 0.05 or greater wt. % REO, and at least one additional feature selected from the group consisting of: LaOis present in an amount greater than about 2 weight percent, CaO is present in an amount less than about 2 weight percent, a MgO/CaO ratio less than about 1, and a SiO/AlOratio greater than about 4. The glass compositions can be used to form glass fibers which can be incorporated into a variety of other fiber glass products (e.g., strands, rovings, fabrics, etc.) and incorporated into various composites.

Glass compositions, fiberizable glass compositions, and glass fibers made therefrom

Embodiments of the present invention provide glass compositions, fiberizable glass compositions, and glass fibers formed from such compositions, as well as glass strands, yarns, fabrics, and composites comprising such glass fibers adapted for use in various applications. In some embodiments of the present invention, the glass compositions additionally include at least one rare earth oxide.

Embodiments of the present invention described herein relate to fiberglass materials, composite glass materials, methods of making fiberglass materials and composite glass materials, and different applications of fiberglass materials and composite glass materials. The fiberglass materials can include a bimodal particle size distribution. The fiberglass materials can include an average aspect ratio of greater than about 2 to 1. Also described herein are composite glass materials including a first glass material and a second material. The second material can include at least one of post-consumer glass waste, fly ash, metakaolin, and slag. Also described herein are methods of making a composite glass material including providing a first glass material to a mixer; providing a second material to the mixer; and co-milling the first glass material and a second material to form a composite glass material.

Fiberglass materials, methods of making, and applications thereof

The present invention relates generally to glass compositions incorporating rare earth oxides. In one embodiment, a glass composition suitable for fiber forming comprises 51-65 weight percent SiO, 12.5-19 weight percent AlO, 0-16 weight percent CaO, 0-12 weight percent MgO, 0-2.5 weight percent NaO, 0-1 weight percent KO, 0-2 weight percent LiO, 0-3 weight percent TiO, 0-3 weight percent ZrO, 0-3 weight percent BO, 0-3 weight percent PO, 0-1 weight percent FeO, at least one rare earth oxide in an amount not less than 0.05 weight percent, and 0-11 weight percent total other constituents. In some embodiments, the at least one rare earth oxide comprises at least one of LaO, YO, ScO, and NdO. The at least one rare earth oxide is present in an amount of at least 1 weight percent in some embodiments. The at least one rare earth oxide, in some embodiments, is present in an amount of at least 3 weight percent. The glass compositions can be used to form glass fibers which can be incorporated into a variety of other fiber glass products (e.g., strands, rovings, fabrics, etc.) and incorporated into various composites.

Glass compositions, fiberizable glass compositions, and glass fibers and articles of manufacture made therefrom

In some embodiments, the present invention provide filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, at least one woven fabric, and at least one non-woven fabric, wherein the pollutant absorbent layer is positioned between the at least one woven fabric and the at least one non-woven fabric.

Filtration media and applications thereof

In some embodiments, the present invention provides filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, a first woven fabric, and a second woven fabric, wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric.

Systems, devices and methods for applying solution to a filament include an applicator for applying at least a partial coating of a solution to a filament, comprising: an applicator surface operable to at least partially coat a filament with a solution; a first container operable to supply the solution to the applicator surface, a volume of the solution in the first container corresponding to a solution level in the first container; a second container operable to contain a supply of solution in fluid communication with the solution in the first container such that the solution in the second container has a solution level indicative of the solution level of the solution in the first container; and a detector for determining the solution level within the second container, the detector operable to control an adjustment of the volume of the solution in the first container such that the solution level in the first container is maintained within a predetermined range of levels.

Systems, devices and methods for applying solution to filaments

A fiber prepared from a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, and a process for preparing this fiber.

Growing community of inventors

Shelby, NC, United States of America

Paul A Westbrook