| BORAL MATERIAL TECHNOLOGIES INC. Patent applications |
| Patent application number | Title | Published |
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| 20110086934 | FILLED POLYURETHANE COMPOSITES AND METHODS OF MAKING SAME - Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of an isocyanate and a mixture of polyols, and coal ash (e.g., fly ash). The mixture of polyols comprises at least two polyols including a high hydroxyl number polyol having a hydroxyl number greater than 250 and comprising from about 1% to about 25% by weight of the total polyol content used to form the polyurethane, and a low hydroxyl number polyol having a hydroxyl number of 250 or lower. The coal ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing an isocyanate, a mixture of at least two polyols, coal ash (e.g., fly ash), and a catalyst. | 04-14-2011 |
| 20110086933 | FILLED POLYURETHANE COMPOSITES AND METHODS OF MAKING SAME - Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of an isocyanate and a polyol, and coal ash (e.g., fly ash). The isocyanates for these composite materials may be selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof. The polyol consists essentially of one or more plant-based polyols, the one or more plant-based polyols including castor oil. The fly ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing an isocyanate, a polyol, coal ash (e.g., fly ash), and a catalyst. | 04-14-2011 |
| 20110086932 | POLYURETHANES DERIVED FROM LESQUERELLA OIL - Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of at least one isocyanate and at least one polyol, and coal ash (e.g., fly ash). The isocyanates for these composite materials may be selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof. The at least one polyol includes lesquerella oil. The coal ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing at least one isocyanate, at least one polyol, coal ash (e.g., fly ash), and a catalyst. | 04-14-2011 |
| 20110086931 | POLYURETHANES DERIVED FROM HIGHLY REACTIVE REACTANTS AND COAL ASH - Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of at least one isocyanate and at least one polyol, and coal ash (e.g., fly ash). The composite materials are highly reactive systems such as through the use of highly reactive polyols, highly reactive isocyanates, or both. The coal ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing at least one isocyanate, at least one polyol, coal ash, and a catalyst. | 04-14-2011 |
| 20110002190 | Fiber Feed System For Extruder For Use In Filled Polymeric Products - Methods for forming composite materials containing fiber in an extruder are described. A first method includes introducing a polymeric material, an inorganic filler, and a fiber to an extruder. A fiber metering device is used to control the rate the fiber is introduced to the extruder based on the extrusion rate of the extruder. A further method is described that includes introducing a polymeric material and an inorganic filler to an extruder. Then, downstream of the polymeric material and inorganic filler, a fiber metering device introduces a constant weight percentage of fiber to the extruder based on the amount of polymeric material and inorganic filler introduced to the extruder. After the polymeric material, inorganic filler, and fiber are introduced to the extruder by either method, the components are mixed to produce a composite material. | 01-06-2011 |
| 20110001255 | Vacuum Removal of Entrained Gasses In Extruded, Foamed Polyurethane - Methods for forming foamed polyurethane composite materials in an extruder including a vacuum section are described. One method includes introducing a polyol, a di- or poly-isocyanate, and an inorganic filler to a first section of an extruder and mixing the components. After mixing, the composite material is advanced to a second section of the extruder, which is maintained at a vacuum pressure. The composite material can begin foaming in the second section and then be extruded from the output end of the extruder. The vacuum pressure of the second section removes non-foaming related gasses entrained in the composite material. A further method includes directing the extruded composite material into a mold. | 01-06-2011 |
| 20100286312 | Amine Sacrificial Agents and Methods and Products Using Same - A method of producing cementitious mixtures containing fly ash as one of the cementitious components, under air entrainment conditions is described. The method involves forming a mixture comprising water, cement, fly ash, optionally other cementitious materials, aggregate, conventional chemical admixtures, and an air entrainment agent and agitating the mixture to entrain air therein. Additionally, at least one amine sacrificial agent is included in the mixture. The cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agent/sacrificial agent combinations, are also described. | 11-11-2010 |
| 20090258777 | SYSTEM AND METHOD FOR TREATING FLY ASH - A method and system for treating fly ash with a treating fluid by evenly dispersing a treating fluid into a flowing stream of fly ash. By dispersing the treating fluid into the fly ash as the fly ash is flowing, the method takes advantage of natural mixing and particle motion that occurs during flow of the bulk solid. The application of treating fluid is advantageously controlled by an automated controller that has inputs and outputs that allow the controller to adjust flow rate of the treating fluid in correspondence with a measured flow rate of the fly ash. | 10-15-2009 |
