Abstract: Suspension, having a high storage stability, comprising an aqueous silicate solution and a filler material, wherein the silicate solution has a silicate content of at least 20% by weight, the filler material has an average particle size of 0.8 to 15 &mgr;m and a specific weight of below 2.75 Kg/l.

Abstract: A method for forming building products from heat insulated material and building products formed in accordance therewith includes providing a mold configured with inner dimensions equal to the desired configuration of the building material block; providing a fluid mixture of heat insulating material formed from a predetermined composition of ingredients; providing at least one rigid reinforcement member and placing the reinforcement member in the mold; introducing the fluid mixture into the mold with the at least one reinforcement member and allowing the fluid mixture to harden within the mold and removing the mixture from the mold resulting in a block of reinforced heat insulating building material. The present invention is also directed to a block of reinforced heat insulated building material according to the method.

Abstract: A formulation for preparing a cementitious product comprising a cementitious material, a siliceous material, and a low bulk density material being substantially calcium silicate hydrate and including unreacted siliceous reactant. A method of forming a cementitious product comprises adding a cementitious material, a siliceous material and a low bulk density material to water to form a slurry, forming a green shaped article from the slurry and curing the article in an autoclave, wherein the low bulk density material is substantially calcium silicate hydrate and includes unreacted siliceous reactant.

Abstract: In a coating material for the inner surface of a cathode-ray tube comprising an aqueous dispersion medium containing silicates of lithium and potassium and a dispersing agent, and a graphite particles and, if necessary, particles of the other specific metal compounds suspended therein, the invention is characterized in that the molar ratio of potassium to lithium is in the range of 1 to 9, and the molar ratio of silicon dioxide to the total quantity of oxides of lithium and potassium is in the range of 2.5 to 3.5, and the obtained coating material is most suitable for suppressing the quantities of gases released from the inner coating, for making good use of gas-adsorbing ability of graphite, and for increasing the degree of vacuum in the cathode-ray tube.

Abstract: A heat-insulating constructional material based on an alkalized and flooded siliceous raw material fabricated by comminuting solid ingredients and mixing all the raw ingredients, steaming a raw mixture and thermally bloating intermediate products obtained from the steamed raw mixture is designed for utilisation as warmth-keeping fills and light-weight concrete aggregates (in a particulate form) and as structural elements for buildings and constructions (in the form of slabs or blocks). For the purpose of controlling the desired products in a wide range of dimensions and to achieve a greater stability in its mechanical strength and water adsorption the material is obtained by cooling the steamed raw mixture prior to its transition in a brittle condition and crushing the brittle mixture prior to bloating for obtaining the intermediate products.

Abstract: The present invention relates to a binder composition comprising a glass powder with a particle size of at least less than 0.15 mm and an alkali activator containing at least one alkali metal and at least one silicate. Preferably, a sodium silicate with a SiO2:Na2O weight ratio between about 1.6:1 to about 2.0:1. Mixed with water, the binder composition can be cured at ambient temperature, but rapidly yields a very high strength at an elevated temperature between about 40° C. to about 120° C. Preferably, between about 70° C. to about 90° C. The invention further provides a method of making artificial stone using glass as a sole binder and aggregate.

Abstract: A method is disclosed of producing a synthetic silicate. The method is advantageous in providing material useful in glass making. Such method involves the reaction of calcium oxides and magnesium oxides, water and sodium silicates. The glass formation is performed at a lower temperature than usual and performed with a lower amount of volatile gas release. Less cristobalite formation in the glass occurs. The synthetic silicate produced can be a cylindrical pellet.

Abstract: A method is disclosed of producing a synthetic silicate. The method is advantageous in providing material useful in glass making. Such method involves the reaction of calcium oxides and magnesium oxides, water and sodium silicates. The glass formation is performed at a lower temperature than usual and performed with a lower amount of volatile gas release. Less cristobalite formation in the glass occurs. The synthetic silicate produced can be a cylindrical pellet.

Abstract: The present invention provides a recording medium comprising a substrate having a glossy coating thereon, wherein the glossy coating comprises a binder and first and second groups of particles, wherein: (a) the first group comprises metal oxide particles, wherein the metal oxide particles are aggregates of smaller, primary particles, (b) the mean diameter of the primary particles is less than about 100 nm, (c) the mean diameter of the aggregates is from about 100 nm to about 500 nm, (d) the mean diameter of the particles in the second group is less than about 50% of the mean diameter of the aggregates in the first group, and (e) the ratio of particles in the first group to particles in the second group is from about 0.1:1 to about 10:1 by weight. The glossy coating of the inventive recording medium has an excellent rate of liquid absorption, a relatively high liquid absorption capacity, excellent adhesiveness, and a non-brittle, crack-resistant, glossy surface.

Abstract: A method is disclosed of producing a synthetic silicate. The method is advantageous in providing material useful in glass making. Such method involves the reaction of calcium oxides and magnesium oxides, water and sodium silicates. The glass formation is performed at a lower temperature than usual and performed with a lower amount of volatile gas release. Less cristobalite formation in the glass occurs. The synthetic silicate produced can be a cylindrical pellet.

Abstract: A process is disclosed for coloring building materials with inorganic pigments in the form of microgranulates. The granulates comprise one or more pigments and one or more compounds selected from boron, aluminum, silicon, titanium, zinc and tin.

Abstract: A method for forming building products from heat insulated material and building products formed in accordance therewith includes providing a mold configured with inner dimensions equal to the desired configuration of the building material block; providing a fluid mixture of heat insulating material formed from a predetermined composition of ingredients; providing at least one rigid reinforcement member and placing the reinforcement member in the mold; introducing the fluid mixture into the mold with the at least one reinforcement member and allowing the fluid mixture to harden within the mold and removing the mixture from the mold resulting in a block of reinforced heat insulating building material. The present invention is also directed to a block of reinforced heat insulated building material according to the method.

Abstract: A fuel gas reformer assembly for use in a fuel cell power plant includes fuel gas passages, some of which contain a particulate alumina packing in which a vaporized steam-hydrocarbon fuel stream mixture is heated. The walls of the fuel gas passages are provided with an alumina coating which protects the walls of the passages from corrosion. The alumina coating of the walls, and alumina packing are both overlain by an alkaline earth metal oxide layer, such as a calcium oxide layer, that acts to limit carbon build-up on the surfaces of the coated passage walls. Limiting of carbon build-up in the reformer passages prevents premature clogging of the passages. The carbon build-up-limiting layer is formed on components of the reformer passages by applying a water-based slurry of alkaline earth metal compounds to the reformer passage surfaces, and then drying the slurry so as to solidify it.

Abstract: Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coating powders are filled with between about 10 and about 50 phr of fillers selected from the group consisting of needle-like calcium metasilicate, mica, rod-like glass particles, and mixtures thereof, the fillers having aspect ratios between about 8 and about 40.

Abstract: A reflective asphalt emulsion is formed by dispersing asphalt into a slurry of colloidal clay at high shear and thereafter blending titanium dioxide and diatomaceous earth filler, and optionally acrylic latex, at low shear into the emulsion of clay and asphalt to form a white to light gray emulsion having a soft consistency and good shelf life. Particle sizes of the employed asphalt are controlled in order to preserve reflectivity of the finished emulsion.

Abstract: The composition of the subject invention comprises a mixture of calcium silicate and citric acid and is utilized in a method for extending the useful life of the cooking oil by blending the calcium silicate with the citric acid, introducing the mixture to the cooking oil and allowing the mixture to mix in the oil through convection currents in the oil. The oil is filtered and the composition of the subject invention is added on a daily or other basis, dependent on use.

Abstract: The disclosure relates to the forming mineralized coatings on metal surfaces and to methods of forming such coatings. The coating can include a wide range of compounds and normally at least a portion of the coating corresponds to an amorphous phase. The coating and method are particularly useful in providing a corrosion resistant coating or film upon a metallic surface. This aspect of the disclosure involves the formation of a corrosion resistant “mineralized” layer of tailored composition upon a metal substrate.

Abstract: A refractory composition is disclosed comprising a high purity silicon dioxide and a binder. This refractory composition may be applied by trowelling, brushing, casting, pumping and/or spraying it on a worn and/or damaged high purity silica refractory surface. A refractory castable composition is also disclosed that may be employed with forms. Further, an essentially non-slumping, sprayable refractory castable composition that is applied without the use of forms is provided. The sprayable refractory castable composition comprises (a) a tempered, pumpable first component comprising (i) a high purity silicon dioxide and a binder, and (ii) water, if needed, to achieve a pumpable consistency, and (b) a second component comprising a flocculating agent. The flocculating agent is added to the first component for achieving installation of the sprayable refractory composition in an amount to prevent slumping of the sprayable refractory castable composition.

Abstract: The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, a fused silica and, optionally, a low-melting glass frit, soda-lime-silica glass particles and/or zinc oxide. It may further optionally include surfactants and aluminum hydroxide. The paint composition is particularly useful as a black-out paint on automotive vehicle windshields and has been shown to impart improved stone chip resistance to the glass.

Abstract: An amorphous mineralized coating upon an iron containing surface wherein the amorphous mineralized coating has a formula A.sub.x B.sub.y O.sub.z --nH.sub.2 O wherein A comprises iron and B comprises silicon and the values of x, y and z are greater than zero; wherein the amorphous mineralized coating comprises an amorphous phase and inorganic complex oxide crystals.

Abstract: A mixture of granulated particles comprising ceramic fibers sized to pass through a screen having an opening measuring not more than 3/4of an inch, a binder of colloidal silica, and water are mixed to form a granulated mixture. The ceramic fibers comprise 68.3 wt % of the mixture, colloidal silica comprises 7.5 wt %, and water comprises 24.2 wt % of the mixture. Further, the mixture may be encased in a moistureproof bag for storage and shipping.

Abstract: The invention is directed to a dark colored high-solids water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, a low-melting glass frit, and optionally, soda-lime-silica glass particles and/or zinc oxide. It may further optionally include surfactants and aluminum hydroxide. The paint composition is particularly useful as a black-out paint on automotive glazings.

Abstract: A system is disclosed for inhibiting the corrosion of ferrous and other metals by passivating the metals. The system includes novel buffered compositions which may be applied to metal products, and novel combinations thereof with metals, for preventing or retarding corrosion, as well as methods for applying the buffered compositions to metal products, such that corrosion protection of the products is achieved. The methods include an in-situ application to existing structures with metal reinforcement as well as applications to metal products during manufacture. Generally, the compositions may be in various forms and comprise one or more layers, at least one of which includes a water repellent but water vapor permeable carrier component and one or more pH buffer components. The buffer is selected to produce a passivating pH at the surface of the metal.

Abstract: The method for producing a crystalline, inorganic ion exchange material having the following composition: xM.sub.2 O.ySiO.sub.2.zMeO, wherein x, y and z are numerical values satisfying the relationships of y/x=0.5 to 2.1, preferably 0.5 to 2.0, and z/y=0.001 to 1.0; M stands for Na and K, wherein K/Na is in the range from 0.01 to 1.2; and Me stands for Ca and/or Mg, the method including the steps of adding 1 to 85 parts by weight of water to 100 parts by weight of cullets, wherein the cullets have the following compositon: xM.sub.2 O.ySiO.sub.2 .multidot.zMeO, wherein x, y, z, M, and Me are defined as above, and then baking the resulting mixture.

Abstract: A vapor barrier coating solution for polymeric articles is provided which contains a selected layered silicate dispersed in a cationic aqueous metal polysilicate, wherein the weight fraction layered silicate of total inorganic solids in the dry coating ranges from above 0 to about 99.

Abstract: A method of stabilizing the initial friction level of a brake friction material. The method comprises coating the friction material with a coating which is insoluble in water and which comprises a binder selected from alkali metal silicates and metal alkoxides. The coating may also comprise particulate friction-enhancing material.

Abstract: The present invention is directed to an insulating coating for refractory articles, adapted to be applied by spraying or gunning, which is easy to apply, cost effective, eliminates the potential health hazards associated with ceramic fiber paper, and which imparts sufficient insulating properties to the refractory article in high temperature environments. More particularly, the present invention is directed to an insulating coating and a method of preparing the insulating coating wherein the coating composition is comprised of about 25% to about 75% by weight of lightweight aggregate, up to about 25% to about 75% by weight of binder, up to 0.5% by weight of organic fiber, up to about 15% by weight of an additive to improve green strength, and up to about 5% by weight of a foaming agent.

Abstract: The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at least one of a low-melting glass frit or zinc oxide. Preferably, it includes only the glass frit and it further preferably comprises surfactants and aluminum hydroxide. It also is a glass sheet carrying the paint on at least a portion of the sheet.

Abstract: The disclosure relates to the forming mineralized coatings on metal surfaces and to methods of forming such coatings. The coating can include a wide range of compounds and normally at least a portion of the coating corresponds to an amorphous phase. The coating and method are particularly useful in providing a corrosion resistant coating or film upon a metallic surface. This aspect of the disclosure involves the formation of a corrosion resistant "mineralized" layer of tailored composition upon a metal substrate.

Abstract: A coating composition for preventing or reducing the amount of labile particulate matter released from a surface of a material which comprises a water soluble alkali metal silicate, or acrylic polymer latex and a surfactant. The coating composition is particularly applicable to the materials used for thermal and acoustical insulation, and most particularly to the coating of silicon containing materials.

Abstract: A water-based inorganic coating formulation that contains no lead, and no organic matters, and provides for better control of the viscosity, the stability, the material separation, the homogeneity, and the re-crystallization properties of the formulation. This improved water-based inorganic coating formulation includes a water-based alkaline metal silicate solution, a pigment, and colloidal alumina dispersed within the coating formulation.

Abstract: A binder composition for three dimensional printing of parts is disclosed which is stable during storage and passage through a printhead, yet able to gel under the conditions existing in a powder bed. The binder composition comprises colloidal silica, a catalyst able to promote gelation of the composition when the composition is below a predetermined pH value, and a base able to maintain the pH of the composition above the predetermined value at which the composition gels. Preferably, the catalyst is polyethylene glycol or another ethylene oxide-derived polymer, and the base is triethanolamine. Upon impact with a powder bed, the pH of the binder composition is reduced, as by adding an acid such as citric acid to the powder, thereby causing the binder to gel in the powder.

Abstract: This invention relates to heat cured binder systems comprising as separate Parts: Part I comprising (a) a soluble source of silica, (b) an alcohol, and preferably (c) a surfactant; and Part II comprising an alkali aluminate. The binder systems are mixed with a refractory to form a refractory mix. The resulting refractory mix is shaped and heated at an elevated temperature to form a cured refractory shape, particularly a preform. Heat is applied by warm air, baking in an oven, microwave, or preferably by hot-box equipment.

Abstract: Disclosed is a commercial grade of soluble silicate solutions, clear homogenous and water white essentially free of unreacted silica, made by dissolving in a closed container biogenetic silica, preferably rice hull ash, in a strong alkali solution, preferably sodium hydroxide in the presence of an agent, such as an active carbonaceous material, which prevents discoloration of the soluble silicates by absorbing and/or reacting with polyvalent metals, organic materials, and the like, in the biogenetic silica as it dissolves in and reacts with the alkali solution. The invention takes advantage of the residue of such active carbonaceous material on the biogenetic silica, such as rice hulls, left by commercial energy burning thereof which effectively prevents discoloration. A solid residue results from the method which is an active carbonaceous material including concentrated manganese from the biogenetic silica, both of which are valuable commercial products.

Abstract: The invention relates to a silicate compound having at least one alkaline oxide and silicon dioxide-containing amorphous binder matrix and also containing oxides from the aluminum, calcium, titanium, magnesium, zirconium, and/or boric oxide group. To provide a silicate compound which is suitable for both making a moulding and coating a substrate, resistant to effects like weathering, especially through alternate frost and thaw, and attack by acids, lyes or fouling, it is proposed that the amorphous binder matrix contain 4 to 25 mol silicon dioxide per mol alkaline oxide, the alkaline oxide being lithium, sodium, and/or potassium oxide and the amorphous binder matrix also contains up to 80 mol aluminum oxide and/or up to 45 mol calcium, titanium, magnesium, zirconium, and/or boric oxide evenly distributed per 100 mol silicon dioxide.

Abstract: An inorganic binder composition has a first constituent which is a poly(sialate) or a poly(sialate-siloxo) admixed with a second constituent which has one or more of: fly ash F, fly ash C, fumed silica, Al.sub.2 O.sub.3, pozzolan, ground slag, nephelene cyanite, anhydrous aluminum silicate, hydrous aluminum silicate, hydrous sodium hydroxide, silicic acid, potassium salt, and sodium salt.

Abstract: The present invention provides silicate polymers which regulate the function of a living body by restoring and normalizing the lowered cell functions due to diseases. The silicate polymers are preferably water soluble. The molecular weight of the polymers is in the range of 4,800 to 2,000,000, preferably 20,000 to 1,000,000, and they have a degree of polymerization in the range of 75 to 33,000, preferably 490 to 16,500. The monomer unit is --(SiO.sub.2)--. The polymers may be produced by dissolving a water-soluble silicate or a silicic acid containing material such as water glass in water to obtain an aqueous solution. The solution may be admixed with an acid to adjust the pH to 2-10, preferably 4-9.5. A saccharide or sugar alcohol or pharmaceutically acceptable salt may also be admixed with the solution. The aqueous solution is preferably dried to obtain a powder by heating at 150.degree. C. to 250.degree. C. or by lyophilization.

Abstract: Colloidal compositions based on fillers, sol oxides, poly silicates, and, optionally, pigmenting agents, and their method of production the solid disperse phase not only operates to cross-link but also as an overmatrix incorporating macroparticles therein. The dispersant is finally chemically set with excess setting agent so that the preliminary product can be finalized to the desired material. For this purpose a matrix-like substance of filler-like macroparticles and sol oxide (crosslinling substance) and a buffer are brought together for assisting the formation of the overmatrix and are processed. This substance is pigmentable by introducing a variation mixture into the substance, so that a wide range of characteristics can be obtained. The substance directed at the desired material, namely a hydration and balancing process stage and a subsequent setting and stabilizing process stage.

Abstract: An intumescent based thermal barrier system which comprises a silicate solution, an expandable microsphere intumescent agent and a frit material. The compositions of this invention can be applied to appropriate substrates to provide fire resistance.

Abstract: A crystalline hydrated layered sodium and potassium silicate/amorphous sodium and potassium silicate composite material with predetermined hardness ion sequestration properties is achieved by controlling the process for forming the material. The process for producing the crystalline hydrated layered sodium and potassium silicate/amorphous is sodium and potassium silicate composite comprises hydrolyzing DB-1 crystalline sodium and potassium silicate glasses as a precursor material to produce the composite material known as DB-2. Hydrolysis of the DB-1 precursor material is achieved by adding typically up to 100.0 milliequivalents per gram of H.sub.3 O.sup.+ ions or up to 50 milliequivalents per gram of OH.sup.- ions. The resulting DB-2 material can sequester CA.sup.2+ ions, Mg.sup.+ ions, or both, depending on the results desired, processing conditions, and starting materials used.

Abstract: Substantially spherical particles of lithium silicates with improved mechanical properties and improved surface quality are provided, which are particularly suited for use as breeding material for tritium. The particles are characterised in that they contain additions of tellurium and/or tellurium compounds.

Abstract: A formulation for producing a heat insulating material and the method for making the same that uses an exothermic reaction and which depends on sodium silicate, sodium hydroxide, firing clay and iron silicon. The iron silicon reacts in the alkaline medium in an exothermic reaction that results in a high release of heat. As a result of the exothermic reaction, the formulation heats up to temperatures near 100.degree. C. The formulation then starts to harden. The evolved water steam and hydrogen form pores, which allows for an increase of many times the volume of the resulting heat insulating material. The self-heating reaction causes the formulation to lose water, which leads to an increase in the dielectric qualities of the material. Additionally, the iron silicon raises the heat resistance of the resulting heat insulating material.

Abstract: This invention relates to heat curable alumino-silicate binder systems comprising as three separate parts (1) a soluble source of silica, (2) a caustic solution of an alkali silicate, and (3) aluminum silicate, and an alcohol which may be incorporated into (1), (2), or both. The binder systems are mixed with an aggregate to form a mix. The resulting mix is shaped and heated at an elevated temperature to form a cured shape, particularly foundry cores and molds. Heat is applied by warm air, baking in an oven, microwave, or preferably by hot-box equipment.

Abstract: A crystalline silicate material containing both sodium and potassium cations within the crystalline matrix. Wherein the material is SiO.sub.2 /(xNa.sub.2 O+yK.sub.2 O)=Z where x+y=1, 0.75<x<1.0 (and therefore 0.0<y<0.25), and 1.3.ltoreq.Z.ltoreq.3.22. The material possesses predetermined superior hardness ion sequestration properties determined by the composition and processing of the material. The material can be made by any one of several processes which are also set forth.

Abstract: A heat temperature rise door is made up of a steel shell and a core which is not bonded to the steel shell, thus eliminating much of the cost of manufacture of the door.

Abstract: Hydrophilizing compositions based on aqueous colloidal silica and zirconyl salts and a process for rendering surfaces hydrophilic with such compositions are provided.

Abstract: The invention is directed to a method of making a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at least one of a low-melting glass frit or zinc oxide. Preferably, it comprises only the low-melting glass frit and further preferably comprises surfactants and aluminum hydroxide. In another aspect, it is also directed to a method of making a formed glazing having a cured coating of the paint composition thereon.

Abstract: The invention is directed to glass sheets carrying a coating of a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and, at least one of a low-melting glass frit or zinc oxide. Preferably, it comprises only the glass frit and it further desirably comprises surfactants and aluminum hydroxide.

Abstract: The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at least one of a low-melting glass frit or zinc oxide. Preferably, it includes only the glass frit and it further preferably comprises surfactants and aluminum hydroxide.

Abstract: A reinforcing composition is provided comprising pellets produced by the process of hydrating glass fibers to achieve a water content on the glass fibers of from about 11 weight percent to about 20 weight percent, mixing the glass fibers for at least about three minutes, thereby forming pellets, and drying.