Abstract: An industrial waste byproduct from a titanium metal or a titanium dioxide production process can be utilized as a partial cement replacement. In some embodiments, the byproduct can comprise a byproduct from the production of titanium dioxide pigment from a sulphate process or from a chloride process. The cement can be used to make concrete and other cementitious material products for structural and non-structural uses, for example, grout, mortar, gunite, stucco, masonry, decorative stonework, bricks, blocks, roof tiles, floor tiles, cobblestones, pavers, combinations thereof, and the like.

Abstract: The use of silicate as a retarder enhancer at appropriate levels to enhance the retarding effect of retarders at high temperatures encountered downhole while accelerating the set of cement at lower temperatures encountered near to the surface.

Abstract: The present invention relates to a chemically resistant glass composition for the production of reinforcing strands which comprises the following constituents within the limits defined below, expressed in mol %: SiO2 67-72%; ZrO2 5-9.5%, preferably ?7.5%; R2O (R=Na, K and Li) 11-17%; Li2O 0-5.5%; K2O 0-5.5%; Na2O<10%; and CaO 3-9%, the composition furthermore containing less 1% of impurities (Al2O3, Fe2O3, Cr2O3, TiO2, MgO, SrO, BaO and P2O5) and being free of F. It also relates to the glass strands obtained from this composition and to the composites based on an organic or inorganic material containing such strands.

Abstract: The process is described for the dry mixing of fibers of different types and sizes with materials formulated with cementants or agglutinant components, granular aggregates and able to include or otherwise other additional ingredients. The principal characteristics of the process are to ensure a correct incorporation of the fibers with the rest of the materials, increase the mechanical fastening of same with the rest of the components and facilitate the use of formulas with high fiber content (over-fibration).

Abstract: Carbon nanomaterials are stabilized and uniformly dispersed in a liquid such as water using a simple procedure. Methylcellulose is added to hot water where it separates and expands with a temperature of about 80-90 degree Celsius. Methylcellulose swiftly dissolves when the water cools down. Carbon nanomaterials are dispersed in a solvent and sonicated. This nanomaterial dispersed solvent is then added to the methylcellulose dispersed water and mechanically stirred. The resulting uniform mixture is up to 90% by weight nanomaterials and is stable for months.

Abstract: Concrete manufacturing processes are provided that can include providing a plurality of substantially dry concrete raw materials to a mixing chamber, providing water to the mixing chamber, and mixing the water and raw materials to form a concrete raw material mixture. Concrete manufacturing processes can also include providing water, a silica source, a calcium source and an aluminum source to within a mixing chamber, with the calcium source being provided to within the chamber prior to the aluminum source. Concrete manufacturing processes can also include providing a combustion waste, a silica source, water and an aluminum source to form a concrete raw material mixture, processing the raw material mixture to form a concrete product. Concrete materials are provided that can include a combustion waste material, with the combustion waste material having at least 10% (wt./wt.) CaO.

Abstract: A high performance multifunctional cementitious nanocomposite material is made by adding a nano admixture to the water used in a conventional cementitious material manufacturing process. The nano admixture is made by dispersing nanomaterials in a solvent and sonicating the mixture, adding a hydrophilic emulsifier, thickener, additive or cellulose derived compound to hot water, where it separates and expands, cooling the water, causing the compound to dissolve, and then adding the solvent and nanomaterial mixture to the water and mechanically mixing. The contact between the nanomaterials and the surrounding matrix changes with applied stress, affecting the volume electrical response of the finished nanocomposite material. By measuring the electrical resistance of the material, its structural health, as well as the stress applied to it, can be monitored. A bridge made with the material is monitored for structural integrity and for the weight, speed, and location of traffic over the bridge.

Abstract: The invention relates to a kit of parts consisting of: a) a material for producing a shaped body; b) a metal powder, a powder of a metal alloy, a powder of a pigment having a metallic effect or a powder having a laminar structure, and; c) if needed, of customary additives. The inventive kit of parts can be used to produce shaped bodies, especially in the field of dentistry, which can be excellently detected by optical systems.

Abstract: A well cement composition for plugging a bore at the location for initiating sidetracking to bore a lateral well is formulated as a slurry of hydraulic cement that contains at least two, but preferably all three of the following additives: (1) a source of silicon dioxide, (2) fracturing proppants and (3) an expansion compound selected from the group consisting of 1%-5% crystalline silica and 60%-99% MgO or CaO, and their mixtures.

Abstract: Ceramic precursor compositions and chemically bonded ceramic (CBC) materials, especially Ca-based, and a composite biomaterial suitable for orthopaedic applications. The CBC-system includes a binding phase (chemical cement) and additional phases with specified chemistry imparting to the biomaterial the ability of initial strength followed by interaction with the body tissue including body liquid, to form a resorbable or partly resorbable biomaterial. The ceramic precursor composition includes at least one silicate with Ca as the main cation with a resorption rate less or equal to that of the bone in-growth rate. The silicate will form the binding phase of the cured material. Implants and surface coated devices are also disclosed. The cured material exhibits a compressive strength exceeding 100 MPa.

Abstract: Disclosed are cement compositions for applying to honeycomb bodies. The cement compositions can be applied as a plugging cement composition, segment cement, or even as after applied artificial skins or coatings. The cement compositions generally include an inorganic powder batch mixture consisting essentially of inorganic particles having a particle size greater than 100 nm. The cement compositions can further include an organic binder, a liquid vehicle, and one or more optional processing aids. Also disclosed are honeycomb bodies having the disclosed cement compositions applied thereto and methods for making same.

Abstract: Disclosed are cements for ceramic honeycomb bodies. Such cements can be applied to a fired ceramic honeycomb body then fired, or can be applied to an unfired (green) honeycomb body and co-fired with the green honeycomb body. The cement can also be used to plug one or more cells in a honeycomb body, wherein the cement can be inserted into a green or a fired ceramic honeycomb body, then fired. Also disclosed are methods of manufacturing a ceramic honeycomb article with the cement.

Abstract: The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the present invention is a method of cementing in a subterranean formation. An example of a composition of the present invention is a cement composition for use in a subterranean formation.

Abstract: A method of reducing plastic shrinkage cracking in concrete compositions that includes a) combining 3-40 volume percent cement, 5-50 volume percent fine aggregate, 5-50 volume percent coarse aggregate, and 10-22 volume percent water to form a concrete mixture; b) during or after (a), adding 1.5-40 volume percent of prepuff particles to the concrete mixture to form a concrete composition; c) placing the concrete composition in a form; and d) allowing the concrete to set and harden to form a hardened concrete article substantially free of plastic shrinkage cracking. The prepuff particles have an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.02 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3. The concrete composition has a density of from about 40 to about 135 lb./ft3.

Abstract: A chemically bonded biomaterial element composed of an inorganic cement, exhibiting minimal dimensional changes upon hardening and long-time use, improved mechanical properties and improved translucency. An algorithm to describe the micro-structure is expressed as ? = d * ( 1 - V F ) ( V F ) where ? is the distance between filler particles of mean size d, and VF is the volume content of non-reacted cement and added filler, and where ??10 ?m. The invention also relates to a device in connection with the preparation of a chemically bonded biomaterial element according to the invention.

Abstract: A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3, and from 0 to 50 volume percent of aggregate; where the sum of components used does not exceed 100 volume percent, and where after the lightweight concrete composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39 after seven days. The concrete composition can be used to make concrete masonry units, construction panels, road beds and other articles.

Abstract: A hydraulic composition of the present invention includes (A) 100 parts by weight of cement having a Blaine specific surface area of 2,500 to 5,000 cm2/g, (B) 10 to 40 parts by weight of fine particles having a BET specific surface area of 5 to 25 m2/g, and (C) 15 to 55 parts by weight of inorganic particles having a Blaine specific surface area which is 2,500 to 30,000 cm2/g and which is larger than that of the cement. The inorganic particles (C) may comprise 10 to 50 parts by weight of inorganic particles (C1) having a Blaine specific surface area of 5,000 to 30,000 cm2/g and 5 to 35 parts by weight of inorganic particles (C2) having a Blaine specific surface area of 2,500 to 5,000 cm2/g.

Abstract: A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particles generated when sanding the hardened joint compound. Airborne dust reducing additives include oils, surfactants, solvents, waxes, and other petroleum derivatives. The additive can be added to conventional ready-mixed joint compounds and to setting type joint compounds. A method of reducing the quantity of airborne dust generated when sanding a fully hardened joint compound includes mixing a sufficient quantity of the dust reducing additive with the joint compound prior to when the joint compound has been applied to the wall.

Abstract: A bone cement comprises a zinc-based glass and polyalkenoate acid. In addition, the cement comprises a controlled amount of tri-sodium citrate (Na3C6H5O7) (“TSC”). The cement has enhanced rheology without negatively impacting on the mechanical properties. Controlled addition of TSC significantly improves the rheology of the bone cements, increasing working and setting times (illustrated in FIG. 1). For three formulations of the working time can be adjusted from less than 50 seconds to almost 120 seconds; concomitantly working times improve from 58 seconds to duration in excess of 300 s.

Abstract: Concrete products and dry concrete mixes comprise cement, acrylic coated carbon fibers, and any optional components such as silica fumes, slag, stone, sand, and/or other aggregates. Preferably, the acrylic coated carbon fibers have a length of about 2½ inches to about 6 inches. A method of reinforcing concrete comprises mixing the cement, the acrylic coated carbon fibers, any optional components (such as silica fumes, slag, stone, sand, and/or other aggregates), and water to form a cement slurry, and letting the slurry set to cure the cement and form bonds between the cement and the carbon fibers, thereby obtaining reinforced concrete.

Abstract: The invention concerns the addition of ammonia to cement, thereby increasing the cement's tensile strength and flexibility. More flexible cement, whether used by itself or in conjunction with other materials in cementitious compositions, is useful in a wide range of applications.

Abstract: A slurry composition comprising an alkaline metal oxide, a chloride or phosphate salt, water, glass beads and a foaming agent. A foamed slurry comprising magnesium oxide, water, a chloride or phosphate salt, and glass beads, wherein the slurry has a density of from about 4 to about 12 pounds per gallon. A foamed slurry comprising magnesium oxide, water, a chloride or phosphate salt, and beads, wherein the slurry has a density of from about 4 to about 12 pounds per gallon and the set slurry is acid soluble.

Abstract: The present invention provides a cement mortar composition and concrete composition and particularly, it provides a cement mortar composition comprising 100 parts by weight of cements, 100 to 300 parts by weight of glass beads, and 50 to 200 parts by weight of blending water and a concrete composition comprising the cement composition and aggregates. The cement mortar composition and concrete composition of the invention have excellent fluidity with the use of a small amount of blending water so that they can promptly migrate in the direction of gravity in a mold complicated with steel rods and other wires, prevent material separation and remove bubbles present inner or outer areas due to superior filling performance, can remarkably improve waterproof property of mortar (or concrete) and prevent their degradation.

Abstract: A method for forming pavers includes mixing cement, water and sand to form a cement composition, and mixing waste glass particles with the cement composition to form a cement-glass particle composition. Thereafter the cement glass particle composition is poured into a mold and the composition is allowed to harden to form a molded cement glass particle block. Next the cement glass particle block is removed from the mold and sliced by cutting the cement glass particle block into a series of sections or component parts where each section or component part forms a paver. Thereafter at least one surface of the paver is ground to form a smooth surface that exposes the waste glass particles.

Abstract: Powdered material, the binder phase of which mainly consists of a cement-based system, which powdered material has the capacity following saturation with a liquid reacting with the binder phase to hydrate to a chemically bonded ceramic material, preferably for dental purposes. According to the invention the powdered material has a composition and/or structure suitable for giving the ceramic material translucence in the hydrated state. The invention also relates to the ceramic material produced by hydration of the powdered material.

Abstract: Concrete products and mixes with reinforcing carbon graphite fibers, the carbon fibers being provided in the form of resin coated warped beam fabric, and a method for producing reinforced concrete products, where semi-cured carbon fibers are mixed with concrete and then cured through the hydration step to result in the formation of strengthened concrete products.

Abstract: The present invention relates to formed resinous articles derived from compositions comprising an ASA resin and a special visual effect additive.

Abstract: Concrete and/or cement products and mixes with reinforcing carbon graphite fibers having a length of about 2½ inches to about 3½ inches, and/or nano and/or micron sized carbon fibers, and a method of reinforcing concrete.

Abstract: The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the present invention is a method of cementing in a subterranean formation. An example of a composition of the present invention is a cement composition for use in a subterranean formation.

Abstract: A method for increasing the strength of concrete, including applying a coating of high- silica glaze to porcelain aggregate pieces, dispersing the glaze-coated porcelain aggregate pieces in a Portland cement matrix, bonding the high-silica glaze to the porcelain aggregate pieces, bonding the high-silica glaze to the Portland cement matrix, and curing the Portland cement matrix to yield high-strength concrete. The high-silica glaze further include silica and flux. The molar ratio of silica to flux is at least about 5 to 1 and the flux further comprises RO and R2O. The molar ratio of RO to R2O is at least about 7 to 3. RO is selected from the group including CaO, SrO, BaO, ZnO, FeO, PbO and their combinations and R2O is selected from the group including Li2O, Na2O, K2O, and their combinations.

Abstract: Fiber reinforced lightweight concrete composites employ less than 4% by volume of reinforcing fibers in conjunction with small particulate lightweight aggregates or voids, and cure to composites which exhibit high tensile strain and strain hardening behavior. The composites are useful for numerous structures in civil engineering.

Abstract: Low density joint compounds, and methods for their use are disclosed. Joint compounds comprising water, calcium carbonate, a foaming agent, and a rheology modification agent contain a plurality of stable air bubbles. Joint compounds can have densities of about 4 pounds per gallon to about 8 pounds per gallon. A presently prepared composition has a density of about 4.8 pounds per gallon. A presently preferred foaming agent is a polyether siloxane copolymer. A presently preferred rheology modification agent is poly(ethylene oxide). The joint compounds can comprise additional components such as perlite, mica, talc, preservatives, and latex.

Abstract: A combination of compositions, products and methods of producing a new type of cement. The cementitious material is created by adding sodium carbonate (also known as soda ash, trona, natron, sodium carbonate decahydrate, sodium carbonate anhydrous, etc.) and one or more rocks or minerals selected from the following—granite, basalt, sandstone or schist. A new method and product are claimed by combining sodium carbonate and one or more rocks or minerals selected from the following—granite, basalt, sandstone or schist and water. The combination of sodium carbonate and one or more rocks or minerals selected from the granite, basalt, sandstone or schist group can be either layered or mixed in a dry or wet state. An exothermic reaction starts after the addition of water to the cementitious material.

Abstract: Carbon-containing fly ash has been treated with optimum amounts of ozone. There is homogenous treatment of the fly ash with ozone and over saturation with ozone is avoided. In a further embodiment of the invention carbon, from various sources is oxygenated to be incorporated into concrete. The preferred oxygenating agent is ozone.

Abstract: A cement repair composition is provided for repairing thin concrete. The composition comprises, in weight percentages: fine aggregates, 50-80%; Portland cement, 10-20%; reinforcing fibers such as polyethylene, steel and fiberglass fibers, 0-5%; and a plurality of further additives. The additives preferably include a lithium admixture, an air entraining admixture and a water reducing chemical additive, and a shrinkage compensating chemical additive, in a combined weight percentage of 0.01 to 5%.

Abstract: The present invention provides foamed cement compositions with improved mechanical properties and methods of cementing in subterranean formations, particularly in conjunction with subterranean well operations. The foamed cement compositions comprise carbon fibers, a hydraulic cement material, sufficient water to form a slurry, an expanding additive, and optionally other ingredients including a weighting agent, a retarding or accelerating agent, or the like.

Abstract: The present invention provides cement compositions having enhanced mechanical properties and comprising microspheres and carbon fibers, and methods for cementing in a subterranean formation using such cement compositions. The cement compositions comprise a cement material, carbon fibers, microspheres, sufficient water to form a slurry, and optionally other ingredients including an accelerant, a retardant, a surfactant, or the like.

Abstract: Use of activated carbon powder in a cement formulation having vinyl polymers that results in effectively eliminating the problem of moisture retention due to void formation during mixing and atmospheric moisture uptake. In the compositions and methods described it has been determined that an adduct formed from the interaction of the activated carbon and vinyl polymers fills voids typically present in finished concrete products. The adduct within the voids results in a hydrophobic cement composition.

Abstract: A more controllable fibrous acoustic ceiling patch or textured material in the form of a sprayable composition includes a base, a filler, an adhesive binder, an anti-foaming agent, a suspension agent, and fibrous materials. The more controllable acoustic ceiling patch is storable and dispensable from a pressurized dispenser having a delivery nozzle. An aerosol system with a spray nozzle is included on the container for selective discharge of the textured material onto a prepared patch area, which may be on a drywall or support panel so as to match and blend with the surrounding acoustic ceiling surface area in order to provide a continuous and unbroken coextensive surface texture of mechanically and visually matched material.

Abstract: Low density joint compounds, and methods for their use are disclosed. Joint compounds comprising water, calcium carbonate, a foaming agent, and a rheology modification agent contain a plurality of stable air bubbles. Joint compounds can have densities of about 4 pounds per gallon to about 8 pounds per gallon. A presently prepared composition has a density of about 4.8 pounds per gallon. A presently preferred foaming agent is a polyether siloxane copolymer. A presently preferred rheology modification agent is poly(ethylene oxide). The joint compounds can comprise additional components such as perlite, mica, talc, preservatives, and latex.

Abstract: Cementing compositions and methods of cementing in a subterranean formation are provided. The cement composition includes a hydraulic cement, lightweight beads, and a desegregating agent for inhibiting segregation of the beads. The lightweight beads may be, for example, cenospheres, glass spheres, and ceramic spheres. The desegregating agent comprises a particulate substrate such as precipitated silica. It also comprises a polar molecule producing chemical disposed on the particulate substrate. Preferably, the polar molecule producing chemical is absorbed on the particulate substrate. The polar molecule producing chemical comprises at least one of a polar molecule producing acid such as glacial acetic acid, a salt of such an acid, and an acid anhydride. The method of cementing includes forming a pumpable slurry using the cement composition, pumping the slurry into a subterranean formation, and allowing the slurry to set.

Abstract: The present invention provides cement compositions with improved mechanical properties and methods of using same, which are useful in conjunction with subterranean well operations. The cement compositions comprise carbon fibers, rubber particles, a hydraulic cement material, sufficient water to form a pumpable slurry, and optionally other ingredients including a dispersant, a weighting agent, a retarding or accelerating agent, or the like.

Abstract: A concrete in which the aggregate of sand and stones in at least partially replaced by crushed glass. The sand fraction may be replaced by a glass of grain size 0-5 mm, a non-alkali reactive mineral with grain size 0-5 mm or a combination thereof. The stone fraction may be replaced by glass of grain size 5-20 mm. The concrete further may further comprise silica dust, fly ash or crushed slag.

Abstract: Modified compositions for carbonaceous concrete conductive sheathing materials for ground electrodes are described, for use in protecting installations from electrical currents. By the incorporation of discrete fibers, superior freeze-thaw resistance is imparted. The water resistance of carbonaceous concretes according to the invention is improved by the addition of a soluble soap of long chain fatty acids. A method of precasting carbonaceous cements according to the invention allows uniform and consistent development of properties for use either in shallow trench or deep well applications.

Abstract: The present invention relates to a fiber-reinforced cement based or cementitious material, and process for making, where the reinforcing fiber is a chemically treated cellulose or non-cellulose fiber. The fiber reinforced cementitious material includes (i) cement, (ii) optionally, sand, aggregate, or sand and aggregate, and (iii) chemically treated fibers having a polyvalent cation content of from about 0.1 weight percent to about 5.0 weight percent based on the dry weight of the treated fibers. The present invention further provides for a fiber reinforced cementitious material having a weak acid content of from about 0.5 weight percent to about 10 weight percent based on the dry weight of the treated fibers.

Abstract: A concrete composition contain glass, including ordinary recycled glass is provided. The invention also relates to methods of producing the concrete compositions of the invention. A concrete composition containing glass particles, including recycled glass, a substance to mitigate alkali-silica reaction such as E-glass particles, and or pozzolans and/or lithium-containing substances, and cement is provided as well. Compositions containing E-glass (also known as electric glass) and processes for producing E-glass-containing compositions are also provided.

Abstract: A method of producing an improved aggregate product from in inferior initial aggregate material base material. A percentage weight of crushed glass material is introduced into the initial aggregate material to form said aggregate product.

Abstract: The present invention provides methods, lightweight well cement compositions and additives for the well cement compositions. The methods of the invention for sealing pipe in a well bore penetrating a zone or formation which readily fractures at low hydrostatic pressure is basically comprised of the steps of providing a lightweight cement composition comprised of a hydraulic cement, water and an additive comprising an aqueous suspension of microspheres containing a water swellable clay suspending agent, placing the cement composition in the annulus between the pipe and the well bore and allowing the cement composition to set.

Abstract: A physical and chemical mixture of aggregative material, chemical products, mineral fillers and/or special pigments in dispersion, with metallic effect, designed to be added to aqueous-phase paint products having a monochromatic-flocculate or multichromatic-flocculate base (known among decorative paint products by the trade name of aqueous-phase Multicolor, Antiche Terre Fiorentine and/or the like), or aqueous-phase paint products without flocculate components (known among decorative paint products by the trade name of Arteacqua glazings and/or the like) in order to obtain a newly devised single-color and multicolor mural-coating decorative paint product both, with and without metallized effect, which can be applied using a spatula, paintbrush, glove and/or roller or the like, and a process for the production thereof.

Abstract: The present invention provides methods, lightweight well cement compositions and additives for the well cement compositions. The methods of the invention for sealing pipe in a well bore penetrating a zone or formation which readily fractures at low hydrostatic pressure is basically comprised of the steps of providing a lightweight cement composition comprised of a hydraulic cement, water and an additive comprising an aqueous suspension of microspheres containing a water swellable clay suspending agent, placing the cement composition in the annulus between the pipe and the well bore and allowing the cement composition to set.