Lipid-coated metallic sulfates compositions for reducing cations in cement based compositions, and related methods

A cement-based composition which comprises a mixture of a hyrdratable, cement-based composition and a compound comprising a metallic cationic species, the compound being in particulate form, the particles of the particulate compound having a lipid coating.

Accelerator Mixture and Method of Use

The invention concerns an accelerator mixture which contains aluminium in oxidation state 3, sulphate and hexafluorosilicic acid, a process for the preparation of said accelerators and the use of said accelerators for the coating of substrates with concrete or mortar. Furthermore the invention relates to concrete or mortar containing accelerators according to the invention and the hardened layers produced by applying the accelerators to concrete or mortar. The invention relates also to the use of hexafluorosilicic acid as a stabilizer.

Additive for mineral binding agents

An additive composition comprising at least one lignosulfonate is used for reducing the amount of soot floating on mineral binding agents. Methods for reducing the amount of soot floating on mineral binding agents where an additive composition comprising at least one lignosulfonate is added to a mineral binding agent.

Low-Shrinkage Binder System

The invention relates to mixtures containing alkali-activatable aluminosilicate binders, characterized in that the mixture contains organosiloxane compounds, to the use of organosiloxane compounds for reducing shrinkage in alkali-activatable aluminosilicate binders and to the use for hydrophobization of alkali-activatable aluminosilicate binders. The invention furthermore relates to joint mortars, levelling compounds or coatings which contain the mixtures according to the invention.

Settable Compositions Containing Metakaolin Having Reduced Portland Cement Content

Of the many compositions and methods provided herein, one method includes providing a settable fluid that comprises an aqueous-based medium, a lime composition, and a cementitious blend that comprises metakaolin particulates and aluminosilicate particulates, wherein the cementitious blend is essentially free of Portland cement; introducing the settable fluid into a wellbore penetrating a subterranean formation that comprises a corrosive component; and allowing the settable fluid to set therein.

Formulation suitable for use as an anti-graffiti coating having improved coverage properties

The invention relates to a composition suitable for producing anti-graffiti coatings, comprising substantially water-soluble and substantially fully hydrolyzed oligomeric organosiloxanes and at least one polyoxyalkylene block copolymer as a coverage agent and water, to a method for producing same, and to the use thereof. The compositions according to the invention comprise improved film formation properties evident in that cohesive films can be generated during application, such as on porous mineral substrates, without forming droplets.

Settable Compositions Comprising Unexpanded Perlite and Methods of Cementing in Subterranean Formations

An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water.

Low Water Content Inorganic Polymer Compositions and Methods of Making Same

Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, optionally a retardant, and water. The reactive powder includes 85% by weight or greater fly ash. The ratio of water to reactive powder is from 0.06:1 to less than 0.15:1. Also described herein are building materials including the compositions.

Low Embodied Energy Wallboards and Methods of Making Same

Wallboards, as well as other building materials, are produced by methods which use significantly reduced embodied energy, generating far less greenhouse gases when compared with the energy used to fabricate gypsum wallboard. A novel cementitious core, consisting in one embodiment of post-industrial waste such as slag and combined with pH modifiers, provides a controlled exothermic reaction to create a gypsum-wallboard-like core which can be wrapped in a selected material such as recycled paper and manufactured on a conveyor system to appear, weigh and handle similar to gypsum wallboard, but without the large amounts of energy required to make gypsum wallboard. The manufacturing process results in lower greenhouse gas emissions than the processes used to make gypsum wallboard.

Lactate activated cement and activator compositions

Cementitious compositions in which the cementitious properties of fly ash are carefully controlled are described. The cementitious compositions may be substantially free harsh acids and bases such as citric acids (≈pH 2.2) and alkali metal activators including alkali hydroxides (≈pH 12-14) and metal carbonates (≈pH 11.6). The use of these harsh chemicals creates acid base reactions during use of the products. Instead of these harsh chemicals, a lactic acid salt based activator is be used as a reaction accelerator. Boric compounds may be used as a retarder in the compositions.

Disposal of sulfur through use as sand-sulfur mortar

A sulfur-sand limestone mortar and methods of preparing the sulfur-sand limestone mortar and disposing of elemental sulfur, are disclosed. In embodiments, the sulfur-sand limestone mortar includes elemental sulfur, limestone powder, and sand. Modifiers, such as plasticizers, are not required and are not used in embodiments of the sulfur-sand limestone mortar. In embodiments of the method to prepare the sulfur-sand limestone mortar, each of the elemental sulfur, limestone powder, and sand are heated to at least 140 C, then combined, and then allowed to solidify.

Paving material

A paving material for filling gaps between paving blocks or the like, the paving material comprising a powdered or granulated mixture of: inert particulate; a water-soluble resin formable from a polymerisation reaction between formaldehyde and an at least difunctional nucleophile; and a water-soluble acid. The paving material is filled into gaps between blocks and then liquid water is applied thereto, or the sand is exposed to ambient humidity (gaseous water). Upon contact with the water, the resin coats the sand and then sets hard, thereby stabilising the block paving.

Dry grout composition and capsule for anchoring reinforcing member, dowel or anchor elements

A dry grout composition including a calcium aluminosulfate based hydraulic cement, a mineral filler, a thixotropic agent, and a superplasticizer agent. Also, an anchoring capsule, containing the dry grout composition, for use in anchoring reinforcing member dowel, or anchor elements in a hole of a substrate, and a method of use.

Low-temperature-curable cross-section repair material, and cross-section repairing method using the same

Provided is a low-temperature-curable cross-section repair material which can be cured in a short period of time, even in extremely low temperature environments of −25° C., and which exhibits excellent workability and strength development. Also provided is a cross-section repairing method using the same. The low-temperature-curable cross-section repair material is characterized by: comprising 100 parts by of a radical polymerizable resin composition (A), 0.1-10 parts by of a hydroxyl group-containing aromatic tertiary amine (C-1), 0.1-10 parts by of an organic peroxide (D), and 1.0-500 parts by of an inorganic filler (E); and the radical polymerizable resin composition (A) comprising at least one type of radical polymerizable resin (A-1) selected from the group consisting of vinyl ester resins, urethane (meth)acrylate resins and polyester (meth)acrylate resins, and a radical polymerizable unsaturated monomer (A-2) having at least two or more (meth)acryloyl groups per molecule thereof.

Process for producing modified fly ash

A process for producing a modified fly ash comprising the steps of providing, as a raw material, the raw fly ash discharged from a pulverized coal combustion boiler; classifying the raw fly ash into a crude powder and a fine powder; removing the unburned carbon contained in the crude powder by heating the crude powder at a temperature in a range of 500 to 1000° C.; and mixing together the crude powder from which the unburned carbon has been removed and the fine powder to obtain a modified fly ash.

NOVEL MATERIAL AND PRODUCTION THEREOF FOR USE AS A STORAGE MEDIUM IN A SENSITIVE ENERGY STORAGE SYSTEM IN THE LOW-, MEDIUM- OR HIGH-TEMPERATURE RANGE

The present invention relates to a modified red mud/a modified bauxite residue and also to processes for the production thereof and to a storage medium comprising a modified red mud, to a heat storage means comprising a storage medium and to numerous uses of a modified red mud as storage medium, in particular in a heat storage means. The modified red mud contains the following components: haematite (FeO), —corundum (AlO), —rutile (TiO) and/or anatase (TiO), —quartz (SiO), —optionally perowskite (CaTiO) and —optionally pseudobrookite ((Fe,Fe)(Ti,Fe)O), nepheline ((Na,K)[AlSiO]) and/or hauynite ((Na,Ca)[AlSiO(SO)]), wherein the modified red mud is substantially free from NaO and/or glass. A novel material is thus provided, and the production thereof for use as a storage medium in a sensitive energy storage system in the low-, medium- or high-temperature range is described. 138-. (canceled)39. A modified red mud comprising:{'sub': 2', '3, 'haematite (FeO);'}{'sub': 2', '3, 'corundum (AlO);'}{'sub': 2', '2, 'rutile (TiO) and/or anatase (TiO);'}{'sub': '2', 'quartz (SiO); and'}{'sub': '2', 'less than 0.5% by weight of NaO and/or glass.'}40. The modified red mud of further comprising at least one of:{'sub': '3', 'perovskite (CaTiO);'}{'sup': 3+', '2+', '3+, 'sub': 2', '5, 'pseudobrookite ((Fe,Fe)(Ti,Fe)O);'}{'sub': '4', 'nepheline ((Na,K)[AlSiO]); and'}{'sub': 4-8', '6', '6', '24', '4, 'hauynite ((Na,Ca)[AlSiO(SO)]).'}41. The modified red mud of further comprising:{'sub': 2', '3, '48 to 55% by weight of haematite (FeO);'}{'sub': 2', '3, '13 to 18% by weight of corundum (AlO);'}{'sub': 2', '2, '8 to 12% by weight of rutile (TiO) and/or anatase (TiO);'}{'sub': '2', '2 to 5% by weight of quartz (SiO); and'}{'sub': '2', 'less than 0.03% by weight of NaO and/or less than 0.1% by weight of glass.'}42. The modified red mud of claim 39 , wherein the modified red mud contains less than 0.5% by weight of aluminium titanate (AlTiO) claim 39 , iron (Fe) claim 39 , mayenite (CaAlO) ...

Process for reforming the fly ash

A process for reforming the fly ash, including the heating step that heats a raw fly ash powder containing the unburned carbon at a temperature of 780 to 1000° C. to decrease the amount of the unburned carbon contained in the raw fly ash powder; and the cooling/classifying step that introduces the heat-treated fly ash in a state of being maintained at a high temperature as obtained through the heating step into a cooling/classifying apparatus so that the fly ash is separated into a fine grains and a coarse grains; wherein the cooling/classifying apparatus 3 used in the cooling/classifying step has a basic structure in which the gas flow for classification is introduced from the lower side and the gas flow Z for cooling/classification introduced into the apparatus is then discharged from the upper side; the heat-treated fly ash is brought into contact with the gas flow Z for cooling/classification, the fine grains contained in the heat-treated fly ash is lifted up and discharged out of the apparatus while the coarse grains contained in the heat-treated fly ash is allowed to stay in the apparatus 3 , and the fine grains and the coarse grains are separated and cooled; and the fine grains discharged from the apparatus 3 is recovered by using a dust-collecting apparatus, and the coarse grains is recovered from the apparatus 3.

Activator composition and methods for making concrete

An activator composition for a non-OPC hydraulically-active material comprises CaO or lime and a polycarboxylate-ether-based (PCE) superplasticiser, and is mixable with a hydraulically active material comprising ground granulated blast furnace slag (GGBS) and/or pulverized fuel ash (PFA) to form a cementitious binder. The cementitious binder does not comprise any Portland cement and is, therefore, more environmentally friendly.

Control frame handling by a provider backbone bridge

A method and Bridge in a Provider Backbone Bridge Network, PBBN, for enabling frames from a Higher Layer Entity attached alternatively to a Provider Instance Port on an I-Component of a Backbone Edge Bridge or to a Customer Backbone Port on a B-Component of the Backbone Edge Bridge, to reach an intended entity in the PBBN. A Virtual Instance Port Service Access Point, VIP SAP, is configured for every VIP and every Higher Layer Entity configured on the I-Component. An Enhanced VIP Port Connectivity function utilizes the VIP SAP to tunnel customer-initiated Layer 2 Control Protocols, L2CPs. A Special Multiplexed SAP handles the frames of the Higher Layer Entity, and is assigned an I-SID value that is universally recognized to identify the L2CPs. A Service Instance Multiplex Entity utilizes the Special Multiplexed SAP to transfer frames between the Provider Instance Port or the Customer Backbone Port and the entity inside the PBBN.

Settable Compositions Comprising Wollastonite and Pumice and Methods of Use

Methods and compositions are provided that relate to cementing operations, including a method of cementing that may comprise providing a settable composition that may comprise wollastonite, pumice, a calcium-ion source, and water, wherein the wollastonite may be present in an amount in a range of from about 25% to about 75% by combined weight of the wollastonite and pumice, and wherein the pumice may present in an amount in a range of from about 25% to about 75% by combined weight of the wollastonite and pumice. Embodiments of the method further may comprise allowing the settable composition to set.

Dry mortar, mortar slurry and method for producing semi-rigid coatings

The present invention relates to a dry mortar and a mortar slurry as well as a method for producing semi-rigid coatings. In one embodiment, the dry mortar or the mortar slurry contains a cement, a very fine component and a plasticizer and is free from silica fume, wherein the mortar slurry can be applied at a temperature of the asphalt support structure of 55 to 80° C. and a compressive strength of at least 100 N/mm 2 is achieved after 28 days. In a further embodiment, the dry mortar or the mortar slurry also contains a gelling agent such that the mortar slurry has a reduced efflux tendency.

Cement binder

The invention provides a binder composition comprising: (a) ground granulated blast furnace slag (GGBS), (b) basic oxygen slag (BOS), and (c) an alkaline inorganic waste material selected from by-pass dust (BPD), cement kiln dust (CKD), and mixtures thereof. The use of such a composition as a binder in a concrete mix, concrete mixes comprising such a composition, methods of manufacturing concrete articles, and concrete articles such as paving blocks are also provided.

Cement Set Activators For Set-Delayed Cement Compositions and Associated Methods

Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. A method of cementing in a subterranean formation, may comprise providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder, activating the set-delayed cement composition with a cement set activator, wherein the cement set activator comprises at least one activator selected from the group consisting of nanosilica, a polyphosphate, and combinations thereof, introducing the set-delayed cement composition into a subterranean formation, and allowing the set-delayed cement composition to set in the subterranean formation. 1. An activated set-delayed cement composition comprising:water;pumice;hydrated lime;a set retarder; anda cement set activator, wherein the cement set activator comprises at least one activator selected from the group consisting of nanosilica, a polyphosphate, and combinations thereof.2. The composition of wherein the cement set activator is present in the activated set-delayed cement composition in an amount of about 0.1% to about 20% by weight of the activated set-delayed cement composition.3. The composition of wherein the cement set activator comprises the combination of a monovalent salt and the polyphosphate.4. The composition of wherein the polyphosphate comprises sodium hexametaphosphate.5. The composition of wherein the monovalent salt comprises sodium sulfate.6. The composition of wherein the ratio of the monovalent salt to the polyphosphate is from about 2:1 to about 1:25.7. The composition of wherein the set retarder comprises at least one retarder selected from the group consisting of a phosphate claim 1 , a phosphonate claim 1 , a phosphonic acid claim 1 , a phosphonic acid derivative claim 1 , a lignosulfonate claim 1 , a salt claim 1 , an organic acid claim 1 , a carboxymethylated hydroxyethylated cellulose claim 1 , a synthetic co- or ter-polymer comprising sulfonate and ...

MINERAL FIBRE INSULATION

A mineral wool insulating product having improved off gassing characteristics is particularly adapted for high temperature applications. 119.-. (canceled)20. A method of insulating a heating device comprising providing mineral fiber insulating material for insulating the heating device ,wherein the heating device is selected from an oven, a domestic oven, a self-cleaning oven, a range and a storage heater,wherein the mineral fiber insulating material comprises mineral fibers bound by at least 0.5% by weight of a cured organic binder; andwherein an initial heating of the mineral fiber insulating material to a temperature of 200° C. off-gases a mixture of gases comprising predominately ketones.21. The method of claim 20 , wherein the mixture of gases includes furans.22. The method of claim 20 , wherein the mineral fiber insulating material has a dust level of less than or equal to 20 g/m.23. The method of claim 20 , wherein the mixture of gases comprises less than about 30 mg/kg of formaldehyde.24. The method of claim 20 , wherein the mixture of gases comprises less than about 15 mg/kg of formaldehyde.25. The method of claim 20 , wherein the mixture of gases have an odor characteristic of baking.26. The method of claim 20 , wherein the mineral fiber insulating material has a recovered thickness of at least about 100% measured in accordance with Annex A of British standard BS EN 823:1995.27. The method of claim 20 , wherein the mineral fiber insulating material has an ordinary parting strength of at least about 100 g/g.28. The method of claim 20 , wherein the mineral fiber insulating material has a weathered parting strength of at least about 80 g/g.29. The method of claim 20 , wherein the mineral fibers are bound by between about 1.5% and about 8% by weight of the organic binder.30. The method of claim 20 , wherein the heating device is adapted for use at an operating temperature of greater than 100° C.31. The method of claim 20 , wherein the organic binder is ...

Method of providing chemically inert concrete

A method of providing a chemically inert concrete includes the steps of providing and mixing an aqueous colloidal silica dispersion with a quantity of glass particles. The chemically inert concrete includes, based on dry weight, about 50% to about 95% by weight of the glass particles and about 3% to about 40% by weight of the colloidal silica particles. The chemically inert concrete is substantially or totally free of Group I and Group II metal oxides, exclusive of the glass particles, and is substantially or totally free of cement.

Sealing wall building material and method for producing a sealing wall building material

The invention relates to a sealing wall building material, which has a binding agent with cement and aggregates. It is provided according to the invention that the binding agent comprises a mixture of cement and fly ash, wherein it is free of clay material, and that it has an impermeability with a kf value of 10−7 m/s and less.

COMPOSITION CONTAINING MODIFIED CHROMATE-DEFICIENT RED MUD AND METHOD FOR PRODUCING SAME

The invention relates to a composition which contains modified chromate-deficient red mud, comprising a mineral composition of—10 to 50 wt. % of iron compounds,—12 to 35 wt. % of aluminum compounds,—5 to 17 wt. % of silicon compounds,—2 to 10 wt. % of titanium dioxide,—0.5 to 6 wt. % of calcium compounds,—0 to 1 ppm of chromium (VI) compounds, and—optionally additional unavoidable impurities. The composition, in particular the modified chromate-deficient red mud, contains a poorly soluble reducing agent for Cr(VI). In this manner, an inexpensive chemical composition is provided in particular as an iteratively functioning long-term adsorbent for pollutants in liquid, gaseous, and solid milieu. The invention further relates to a method for producing same and to uses thereof. 1. A composition , comprising modified , chromate-deficient red mud with a mineral composition of10 to 50% by weight of iron compounds,12 to 35% by weight of aluminium compounds,5 to 17% by weight of silicon compounds,2 to 10% by weight of titanium dioxide,0.5 to 6% by weight of calcium compounds, and0 to 1 ppm of chromium (VI) compounds,wherein the modified, chromate-deficient red mud comprises a poorly soluble reducing agent for Cr(VI),wherein the composition further comprises a pH buffer system which is configured for stabilising a pH range in which the poorly soluble reducing agent for Cr(VI) and the resulting Cr(III) has a solubility in water at 25° C. of less than 1 g/l.2. The composition according to claim 1 , wherein the poorly soluble reducing agent for Cr(VI) has a solubility in water at pH 7 and 25° C. of less than 1 g/l.3. The composition according to claim 1 , wherein the poorly soluble reducing agent for Cr(VI) comprises a poorly soluble Fe(ll) compound.4. The composition according to claim 1 , wherein the poorly soluble reducing agent for Cr(VI) comprises iron(ll) carbonate (FeCO).5. The composition according to claim 1 , wherein a combination of readily soluble and poorly soluble ...

METHODS AND SYSTEMS FOR CONTROLLING CARBON BURN OUT

Systems and methods for beneficiating a recovered fly ash material and/or recovering fly ash from an impound site are described. The method may include thermally treating a first portion of a recovered fly ash material to form a thermally treated fly ash having a first temperature of at least 1000° F., and contacting the thermally treated fly ash with a second portion of the recovered fly ash material to cool the thermally treated fly ash to a second temperature of less than or equal to 500° F. and form a fly ash product. The fly ash product may have a carbon content less than 8% by weight, based on the total dry weight of the fly ash product. 1. A method for beneficiating a recovered fly ash material , the method comprising:thermally treating a first portion of the recovered fly ash material to form a thermally treated fly ash having a first temperature of at least 1000° F.; andcontacting the thermally treated fly ash with a second portion of the recovered fly ash material to cool the thermally treated fly ash to a second temperature of less than or equal to 500° F. and form a fly ash product;wherein the fly ash product has a carbon content less than or equal to 8% by weight, based on the total dry weight of the fly ash product.2. The method of claim 1 , wherein the contacting comprises mixing the thermally treated fly ash with the second portion of the recovered fly ash material in a ribbon mixer or rotating drum.3. The method of claim 1 , wherein a temperature difference between the first portion of the recovered fly ash material and the second portion of the recovered fly ash material is at least 20° F.4. The method of claim 1 , wherein the recovered fly ash material is obtained from an impound site claim 1 , the method further comprising separating the recovered fly ash material into the first portion and the second portion claim 1 , wherein the first portion comprises wet fly ash and the second portion comprises an aqueous solution.5. The method of claim 4 , ...

Cement

The present disclosure relates to a cementious composition (e.g. for mounting a strain gauge within a gas turbine engine) comprising: part A comprising an acidic solution of a metal salt; part B comprising silica and one or more metal oxides; and part C comprising colloidal silica and/or a silicate solution. Part A may comprise an acidic aluminium phosphate solution. Part B may comprise one or more or all of titanium oxide, chromium oxide, alumina and barium oxide

VINYL ACETATE COPOLYMERS FOR HYDRAULICALLY SETTING CONSTRUCTION MATERIALS

Polyvinyl acetate copolymers having specific ranges of vinyl acetate, vinyl chloride, and ethylene show improved adhesion under widely varying conditions when used in hydraulically setting construction materials. 113-. (canceled)14. A vinyl acetate copolymer in the form of a protective colloid-stabilized aqueous dispersion or protective colloid-stabilized polymer powder redispersible in water , said copolymer obtained by polymerizing ethylenically unsaturated monomers by means of radically initiated polymerization in an aqueous medium and optionally subsequent drying , wherein ethylenically unsaturated monomers used in the polymerization comprise 40 to 80 wt. % of vinyl acetate , 15 to 35 wt. % of vinyl chloride , 1 to 25 wt. % of ethylene and optionally one or more further ethylenically unsaturated comonomers , the figures in weight percent being based on the total weight of the ethylenically usaturated monomers and adding up to 100 wt. % , and wherein no cellulose and no cellulose derivatives are included as protective colloids.15. The vinyl acetate copolymer of claim 14 , wherein the vinyl acetate copolymer comprises 50 to 75 wt. % of vinyl acetate claim 14 , 20 to 30 wt. % of vinyl chloride claim 14 , and 5 to 20 wt. % of ethylene claim 14 , the figures in weight percent being based on the total weight of the ethylenically unsaturated monomers and adding up to 100 wt. %.16. The vinyl acetate copolymer of claim 14 , wherein no further comonomers are used in the polymerization.17. The vinyl acetate copolymer of claim 15 , wherein no further comonomers are used in the polymerization.18. A process for preparing a vinyl acetate copolymer of claim 14 , comprising polymerizing ethylenically unsaturated monomers by means of radically initiated polymerization in an aqueous medium and optionally subsequent drying claim 14 , wherein ethylenically unsaturated monomers polymerized comprise 40 to 80 wt. % of vinyl acetate claim 14 , 15 to 35 wt. % of vinyl chloride claim 14 , ...

Method For Reducing Elemental Sulfur In Gypsum Products

Disclosed are various methods for reducing levels of elemental sulfur within gypsum products such as wall board. Gypsum sometimes includes increased levels of elemental sulfur. Such sulfur can be corrosive and otherwise harmful at elevated levels. The disclosure contemplates reacting the elemental sulfur with copper to copper sulfide. This reaction has the benefit of reducing the levels of elemental sulfur present within the final gypsum product. The copper can be added at any of a variety of locations in the manufacturing process. This is a very efficient method for reducing elemental sulfur in the production of gypsum products.

MINERAL FIBRE INSULATION

A mineral wool insulating product having improved off gassing characteristics is particularly adapted for high temperature applications. 1. A mineral fibre insulating material comprising at least 0.5% by weight of an organic binder and having an off-gassing dominated by ketones when first heated to a temperature of 200° C.2. The mineral fibre insulating material in accordance with claim 1 , in which the off gassing also comprises significant furans.3. The mineral fibre insulating material in accordance with claim 1 , in which the dust level is less than or equal to 20 g/m.4. A mineral fibre insulating material comprising at least 0.5% by weight of a binder claim 1 , the material having a dust level of less than or equal to 20 g/mand off-gassing dominated by ketones when first heated to a temperature of 200° C.5. The mineral fibre insulating material in accordance with claim 1 , in which when first heated to a temperature of 200° C. off gassing of formaldehyde is less than 30 mg/kg.6. The mineral fibre insulating material in accordance with claim 1 , in which the off gassing gives predominantly baking odours.7. The mineral fibre insulating material in accordance with claim 1 , in which the Recovered Thickness is at least 100%.8. The mineral fibre insulating material in accordance with claim 1 , in which the Ordinary Parting Strength is at least 100 g/g.9. The mineral fibre insulating material in accordance with claim 1 , in which the Weathered Parting Strength is at least 80 g/g.10. The mineral fibre insulating material in accordance with claim 1 , in which the binder content is in the range 0.5 to 10% by weight.11. The mineral fibre insulating material in accordance with claim 1 , in which the binder is formaldehyde free.12. The mineral fibre insulating material in accordance with claim 1 , in which the binder is based on a reducing sugar.13. The mineral fibre insulating material in accordance with claim 1 , in which the binder comprises at least one Maillard ...

Use of sacrificial agents in manufacture of gypsum wallboard

The present invention relates to the use of sacrificial agents to counteract the deleterious impact of gypsum contaminants on the effectiveness of certain stucco additives, particularly, water reducing agents and foaming agents, in a stucco slurry used to make gypsum wallboard.

Cement compositions containing metaphosphate and methods of use

In an embodiment, the cement compositions comprise: (i) hydraulic cement, wherein the hydraulic cement has a ratio of CaO to SiO 2 in the range of 2.0 to 4.0; and (ii) a water-soluble metaphosphate in a concentration of at least 2.5% bwoc. In another embodiment, the cement compositions comprise: (i) hydraulic cement, wherein the hydraulic cement has a ratio of CaO to SiO 2 of less than 2.0; and (ii) a water-soluble metaphosphate; wherein any alkali nitrate is in a concentration of less than 2% bwoc; and wherein any alkali hydroxide, alkali carbonate, or alkali citrate is in a concentration of less than 0.2% bwoc. Methods of cementing in a well comprising forming either of such cement compositions and introducing it into the well are provided.

Cobalt free prepromoted unsaturated polyester resin system for engineered stone

The invention relates to a formable composition for the preparation of engineered stone comprising a cobalt free prepromoted unsaturated polyester resin system, an inorganic particulate material and a peroxide component. The invention also relates to a method for the preparation of engineered stone as well as to the use of the cobalt free prepromoted unsaturated polyester resin system for the preparation of engineered stone.

PLASTERBOARD

A plasterboard includes a first layer of plaster and a second layer of plaster, wherein the first layer includes activated carbon; the second layer includes a scavenging agent, wherein a content of scavenging agent in the first layer, expressed as percentage by weight of dry matter, is less than a content of scavenging agent in the second layer, and wherein the second layer is free of activated carbon. 115-. (canceled)16. A plasterboard comprising:a first layer of plaster and a second layer of plaster that is in contact with the first layer of plaster,wherein the first layer of plaster comprises activated carbon, and the second layer of plaster comprises a scavenging agent,wherein the second layer of plaster is free of activated carbon,wherein the first layer of plaster is a roller coating layer that has a density greater by at least 5% than a density of the second layer of plaster,wherein a thickness of the second layer of plaster is greater than a thickness of the first layer of plaster, the thickness of the second layer of plaster being at least equal to half a total thickness of the plasterboard.17. The plasterboard of claim 16 , wherein the density of the first layer of plaster is greater by at most 40% than the density of the second layer of plaster.18. The plasterboard of claim 16 , wherein the density of the first layer of plaster is from 0.8 to 1.5.19. The plasterboard of claim 16 , wherein the density of the second layer of plaster is from 0.4 to 1.5.20. The plasterboard of claim 16 , wherein the thickness of the first layer of plaster is from 0.1 mm to less than 4 mm.21. The plasterboard of claim 20 , wherein the thickness of the first layer of plaster is from 0.1 mm to less than 2 mm.22. The plasterboard of claim 16 , wherein the total thickness of the plasterboard is from 6 mm to 25 mm.23. The plasterboard of claim 22 , wherein the total thickness of the plasterboard is from 10 mm to 1.5 mm.24. The plasterboard of claim 16 , wherein a content of the ...

NON-LOAD BEARING MASONRY BLOCK CONTAINING CRUMB RUBBER

Crumb Rubber augmented masonry blocks including cement, aggregate, water, and crumb rubber. Crumb rubber is extracted from scrape tires after being processed and then mixed in specified percentages with aggregate, cement and water. In the present disclosure sand, which is used in the formation of conventional blocks, is replaced with crumb rubber to produce a sand-free masonry block containing crumb rubber. The developed crumb rubber masonry blocks satisfied the ASTM non-load bearing requirements in addition to satisfying the water absorption test. 1. A sand-free non-load bearing masonry block , comprising:20-30 wt % cement;50-60 wt % of an aggregate, which is not crumb rubber;1-10 wt % water; and10-20 wt % crumb rubber relative to the total weight of the masonry block;wherein the crumb rubber is in the form of coarse particles having a particle size of 1.5-5 mm, fine particles having a particle size of 50-250 μm, or a mixture of the coarse particles and the fine particles and is surface treated with at least one of a silane and hydrogen peroxide,wherein the masonry block has a thermal conductivity of 0.3-0.58 W/m·K.2. The masonry block of claim 1 , wherein the crumb rubber is in the form of coarse particles having a particle size of 1.5-5 mm.3. The masonry block of claim 1 , wherein the crumb rubber is in the form of fine particles having a particle size of 50-250 μm.4. The masonry block of claim 3 , wherein the fine particles have a particle size of 100-148 μm.5. The masonry block of claim 1 , wherein the mixture of the coarse particles and fine particles is present.6. The masonry block of claim 5 , wherein a ratio of the coarse particles to the fine particles ranges from 2:1 to 1:2.7. The masonry block of claim 6 , wherein the ratio of the coarse particles to the fine particles is about 1:1.8. The masonry block of claim 1 , which has a unit weight of 1000-1250 kg/m.9. The masonry block of claim 1 , wherein the masonry block has a water absorption of 6.0-9.0% as ...

Mineral fibre insulation

A mineral wool insulating product having improved off gassing characteristics is particularly adapted for high temperature applications.

MASONRY BLOCKS

Crumb Rubber augmented masonry blocks including cement, aggregate, water, and crumb rubber. Crumb rubber is extracted from scrape tires after being processed and then mixed in specified percentages with aggregate, cement and water. In the present disclosure sand, which is used in the formation of conventional blocks, is replaced with crumb rubber to produce a sand-free masonry block containing crumb rubber. The developed crumb rubber masonry blocks satisfied the ASTM non-load bearing requirements in addition to satisfying the water absorption test. 1. A sand-free non-load bearing masonry block , comprising:22-28 wt % cement;52-58 wt % of an aggregate, which is not crumb rubber;2-9 wt % water; and12-18 wt % crumb rubber relative to the total weight of the masonry block;wherein the crumb rubber is in the form of coarse particles having a particle size of 1.8-3.5 mm and fine particles having a particle size of 100-148 μm, and the crumb rubber is surface treated with hydrogen peroxide,wherein the masonry block has a thermal conductivity of 0.3-0.58 W/m·K.24-. (canceled)5. The masonry block of claim 1 , wherein the mixture of the coarse particles and fine particles is present.6. The masonry block of claim 5 , wherein a ratio of the coarse particles to the fine particles ranges from 2:1 to 1:2.7. The masonry block of claim 6 , wherein the ratio of the coarse particles to the fine particles is about 1:1.8. The masonry block of claim 1 , which has a unit weight of 1000-1250 kg/m.9. The masonry block of claim 1 , wherein the masonry block has a water absorption of 6.0-9.0% as determined by ASTM C 642.10. The masonry block of claim 1 , wherein the aggregate is a crushed recycled concrete material.1113. The masonry block of claim 1 , wherein no aggregate claim 1 , filler claim 1 , or additive which comprises a group element is present in the masonry block.1213. The masonry block of claim 11 , wherein the group element is boron.1318-. (canceled)19. The masonry block of claim 1 ...

Pervious concrete having a super-absorbent polymer

A pervious concrete composition comprising a superabsorbent polymer, thereby enabling a water/cement ratio of 0.35-0.50. The superabsorbent polymer can be a cross-linked sodium polyacrylate-acrylamide/acrylic acid copolymer. The invention further comprises methods of installing the pervious concrete compositions.

BOTTOM ASH AGGREGATE MATERIAL AND METHOD FOR FORMING BOTTOM ASH AGGREGATE MATERIAL

A method for forming a treated reclaimed bottom ash sand and a treated reclaimed bottom ash sand. The method includes providing reclaimed bottom ash sand. The reclaimed bottom ash sand is contacted with an aqueous composition having 0.5 to 3.0 M NaOH for a time greater than about 4 hours. The NaOH contacted reclaimed bottom ash sand is rinsed and decanted and iron is removed to form a treated reclaimed bottom ash sand having reduced hydrogen formation in concrete compared to the hydrogen formation of concrete utilizing reclaimed bottom ash sand. The treated reclaimed bottom ash sand includes reactive aluminum of less than 50% by weight of the reactive aluminum in the reclaimed bottom ash sand and the treated reclaimed bottom ash sand includes less than 2 wt % iron. A concrete formed from the treated reclaimed bottom ash sand is also disclosed. 1. A method for forming a treated reclaimed bottom ash sand comprising:providing reclaimed bottom ash sand having a particle size of less than about ⅜ inch, a specific gravity greater than 1.0, a moisture content of less than 25 wt %, at least 0.5 wt % reactive aluminum and less than 40 wt % iron;contacting the reclaimed bottom ash sand with an aqueous composition comprising 0.5 to 3.0M NaOH for a time greater than about 4 hours;rinsing and decanting the NaOH contacted reclaimed bottom ash sand; andremoving iron from the rinsed and decanted reduced metallic aluminum reclaimed bottom ash sand to less than 5.0 wt % iron to form a treated reclaimed bottom ash sand having reduced hydrogen formation in concrete compared to the hydrogen formation of concrete utilizing reclaimed bottom ash sand;wherein the treated reclaimed bottom ash sand includes reactive aluminum of less than 50% by weight of the reactive aluminum in the reclaimed bottom ash and the treated reclaimed bottom ash sand includes less than 2 wt % iron.2. The method of claim 1 , wherein the reclaimed bottom ash sand includes from about 0.5 wt % to about 15 wt % reactive ...

Formulations/Mixtures and improved processes for manufacturing Fire Liner Panels

The invention is the development of new and unique formulations and mixtures along with unique and improved manufacturing processes for a clear departure for all manufacturing processes in which calcium silicate or cement-based formulations and mixtures are commonly utilized in manufacturing fire liner panel systems of the prior art. The invention serves the current fire protection/training industry with new and unique formulations and mixtures along with improved manufacturing processes that produce a fire liner panels system with enhanced performance characteristics which are unparalleled teachings not present, nor found in any of the prior art.

WASTE CRUMB-RUBBER AUGMENTED MASONRY BLOCKS

This invention relates to the development of Crumb Rubber augmented masonry blocks. Crumb rubber is extracted from scrape tires after being processed and then mixed in specified percentages with concrete, cement and water. In the present disclosure sand, which is used in the formation of conventional blocks, is replaced with crumb rubber to produce a sand-free masonry block containing crumb rubber. The developed crumb rubber masonry blocks satisfied the ASTM non-load bearing requirements in addition to satisfying the water absorption test. 1. A sand-free masonry block comprising: wherein the cement comprises 20-30% of the mixture;', 'wherein the concrete comprises 50-60% of the mixture;', 'wherein the water comprises 1-10% of the mixture; and', 'wherein the crumb rubber comprises 10-20% of the mixture., 'a homogeneously dispersed mixture of cement, concrete, water, and crumb rubber;'}2. The masonry block of wherein:the cement comprises 22-28% of the mixture;the concrete comprises 52-58% of the mixture;the water comprises 2-8% of the mixture; andthe crumb rubber comprises 12-18% of the mixture.3. The masonry block of wherein the mesh size of the crumb rubber is 65-100 mesh.4. The masonry block of wherein the masonry block weighs 16.0-16.5 kg.5. The masonry block of wherein the masonry block has a water absorption of 6.20-6.30%.6. The masonry block of claim 1 , containing no aggregate material claim 1 , in which the crumb rubber is homogeneously distributed through the sand-free masonry block. 1. Technical FieldThe present invention relates to a masonry block in which crumb rubber material replaces sand in a masonry block comprising of a homogeneously dispersed cement, concrete, crumb rubber and water.2. Description of the Related ArtThe “background” description provided herein is for the purpose of generally presenting the context of the disclosure. Work of the presently named inventors, to the extent it is described in this background section, as well as aspects of ...

Alkali activated natural pozzolan based concrete containing ground granulated blast furnace slag

Alkali activated concrete compositions containing natural pozzolan, ground granulated blast furnace slag, alkali activators such as an alkali hydroxide and an alkali silicate, and optionally fine and coarse aggregates. Alkali activated concretes made therefrom and methods of making such concretes are also specified. The inclusion of ground granulated blast furnace slag provides significantly superior mechanical strength (e.g. compressive strength) to the alkali activated concretes within 12-24 hours of curing at 30-60° C.

MINERAL FIBRE INSULATION

A mineral wool insulating product having improved off gassing characteristics is particularly adapted for high temperature applications. 1. A mineral fibre insulating material comprising at least 0.5% by weight of an organic binder and having an off-gassing dominated by ketones when first heated to a temperature of 200° C.2. The mineral fibre insulating material in accordance with claim 1 , in which the off gassing also comprises significant furans.3. The mineral fibre insulating material in accordance with claim 1 , in which the dust level is less than or equal to 20 g/m.4. A mineral fibre insulating material comprising at least 0.5% by weight of a binder claim 1 , the material having a dust level of less than or equal to 20 g/mand off-gassing dominated by ketones when first heated to a temperature of 200° C.5. The mineral fibre insulating material in accordance with claim 1 , in which when first heated to a temperature of 200° C. off gassing of formaldehyde is less than 30 mg/kg.6. The mineral fibre insulating material in accordance with in which the off gassing gives predominantly baking odours.7. The mineral fibre insulating material in accordance with in which the Recovered Thickness is at least 100%.8. The mineral fibre insulating material in accordance with in which the Ordinary Parting Strength is at least 100 g/g.9. The mineral fibre insulating material in accordance with in which the Weathered Parting Strength is at least 80 g/g.10. The mineral fibre insulating material in accordance with claim 1 , in which the binder content is in the range 0.5 to 10% by weight.11. The mineral fibre insulating material in accordance with in which the binder is formaldehyde free.12. The mineral fibre insulating material in accordance with in which the binder is based on a reducing sugar.13. The mineral fibre insulating material in accordance with in which the binder comprises at least one Maillard reaction product.14. The mineral fibre insulating material in accordance ...

Fly ash-containing construction material with improved strength and water resistance and methods of forming the same

The invention is directed to a fly ash containing construction material having improved strength and water resistance. The fly ash containing material includes fly ash, an alkali solution comprising sodium hydroxide, and water. The invention further provides a geopolymerization method of forming a fly ash containing material.

LIME-BASED CEMENT COMPOSITION

A cement composition for use in a well that penetrates a subterranean formation comprising: hydrated lime; a silicate; and water, wherein the composition is substantially free of a hydraulic cement. A method of treating a subterranean formation comprising: introducing the cement composition into the subterranean formation; and allowing the cement composition to set. 1. A method of treating a subterranean formation comprising: (A) hydrated lime;', '(B) a silicate; and', '(C) water,', 'wherein the cement composition is substantially free of a hydraulic cement; and, 'introducing a cement composition into the subterranean formation, wherein the cement composition comprisesallowing the composition to set.2. The method according to claim 1 , wherein the silicate includes a cation selected from the group consisting of calcium claim 1 , sodium claim 1 , or potassium.3. The method according to claim 2 , wherein the silicate is sodium silicate.4. The method according to claim 1 , wherein the water is selected from the group consisting of freshwater claim 1 , brackish water claim 1 , and saltwater claim 1 , in any combination thereof in any proportion.5. The method according to claim 1 , wherein the hydrated lime and at least the silicate react in the presence of water to form a calcium silicate hydrate gel.6. The method according to claim 5 , wherein the cement composition becomes a gel after the hydrated lime and the silicate are mixed with the water.7. The method according to claim 1 , wherein the cement composition develops a 10 minute gel strength of at least 20 lb/ftat a temperature of 80° F.8. The method according to claim 1 , wherein the cement composition develops a 10 minute gel strength of at least 30 lb/ftat a temperature of 80° F.9. The method according to claim 1 , wherein the silicate is in a concentration such that the cement composition develops a 10 minute gel strength of at least 20 lb/ftat a temperature of 80° F.10. The method according to claim 1 , wherein ...

Gypsum composition for dry-curing coating material, gypsum-based coating material, and construction method for gypsum-based coating material

There is provided a gypsum composition for a drying type coating material, the gypsum composition, when made into a gypsum-based coating material by addition of water, capable of forming a coating film in which color unevenness is suppressed even though the coating film is thin and smooth. This gypsum composition for a drying type coating material contains hemihydrate gypsum having a mean particle diameter of 50 μm or less, calcium carbonate having a mean particle diameter of 50 μm or less, and a setting retarder, wherein the gypsum composition has a content of calcium carbonate of 100 to 400 parts by mass and a content of the setting retarder of 0.1 parts by mass or more each based on 100 parts by mass of the hemihydrate gypsum.

MINERAL FIBRE INSULATION

A mineral wool insulating product having improved off gassing characteristics is particularly adapted for high temperature applications. 1. A mineral fibre insulating material comprising at least 0.5% by weight of an organic binder and having an off-gassing dominated by ketones when first heated to a temperature of 200° C.2. The mineral fibre insulating material in accordance with claim 1 , in which the off gassing also comprises significant furans.3. The mineral fibre insulating material in accordance with claim 1 , in which the dust level is less than or equal to 20 g/m.4. A mineral fibre insulating material comprising at least 0.5% by weight of a binder claim 1 , the material having a dust level of less than or equal to 20 g/mand off-gassing dominated by ketones when first heated to a temperature of 200° C.5. The mineral fibre insulating material in accordance with claim 1 , in which when first heated to a temperature of 200° C. off gassing of formaldehyde is less than 30 mg/kg.6. The mineral fibre insulating material in accordance with in which the off gassing gives predominantly baking odours.7. The mineral fibre insulating material in accordance with in which the Recovered Thickness is at least 100%.8. The mineral fibre insulating material in accordance with in which the Ordinary Parting Strength is at least 100 g/g.9. The mineral fibre insulating material in accordance with claim 1 , in which the Weathered Parting Strength is at least 80 g/g.10. The mineral fibre insulating material in accordance with claim 1 , in which the binder content is in the range 0.5 to 10% by weight.11. The mineral fibre insulating material in accordance with claim 1 , in which the binder is formaldehyde free.12. The mineral fibre insulating material in accordance with claim 1 , in which the binder is based on a reducing sugar.13. The mineral fibre insulating material in accordance with claim 1 , in which the binder comprises at least one Maillard reaction product.14. The mineral ...

Phospholipid dedusting agents for joint compounds

A drying-type joint compound, a setting-type joint compound, and/or a ready-mixed, setting-type joint compound can include a phospholipid dedusting agent. For example, a drying-type joint compound can include: (a) a primary filler at 50 weight percent (wt %) to 98 wt % on a dry basis, wherein the primary filler includes one of calcium carbonate, calcium sulfate dihydrate, and talc, and a mixture thereof (b) a secondary filler at up to 25 wt % on a dry basis; (c) a binder at 1 wt % to 15 wt % on a dry basis; (d) a polymer thickener at 0.05 wt % to 3 wt % on a dry basis; (e) a phospholipid dedusting agent at 0.01 wt % to 3 wt % on a dry basis; (0 an additive up to 10 wt % o on a dry basis; and (g) water at a weight ratio of water to dry components of 1:6 to 2:1.

Cementitious Composition With High Bond Strength To Both Asphalt And Cement Based Materials

A hydratable cement composition which will bond to both asphalt and cementitious substrates is supplied for the repair of various surfaces. The composition comprises of a combination of Portland cement, calcium sulfoaluminate cement or calcium aluminosilicate, and an alkali metal salt activated pozzolonic powder, wherein the Portland cement content of the hydratable portion of the composition is greater than 20%. The composition is free from latex bonding agents and calcium aluminate. The composition is mixed with water to form a typical cement, mortar, or concrete consistency, placed and allowed to cure. The result is a self-adhering patch to damaged surfaces. The hydratable cement composition may also be used to fabricate items of original construction by casting into molds or forms.

Settable compositions comprising interground perlite and hydraulic cement

Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a composition comprising interground perlite and hydraulic cement. Another embodiment provides a composition comprising: interground unexpanded perlite and Portland cement, the interground having a mean particle size of about 0.5 microns to about 10 microns; and water.

Settable compositions comprising cement kiln dust and rice husk ash and methods of use

Embodiments disclose method and compositions that comprise cement kiln dust and rice husk ash. An embodiment comprises a method of cementing comprising: placing a settable composition into a subterranean formation, the settable composition comprising cement kiln dust, rice husk ash, and water; and allowing the settable composition to set.

Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use

The present invention relates to acid-soluble cement compositions that comprise cement kiln dust ("CKD") and/or a natural pozzolan and associated methods of use. An embodiment includes a method of cementing comprising: placing an acid-soluble cement composition in a subterranean formation, wherein the acid-soluble cement composition comprises a hydraulic cement, a component selected from the group consisting of CKD, pumicite, and a combination thereof, and water; allowing the acid-soluble cement composition to set; and contacting the set acid-soluble cement composition with an acid to dissolve the set acid-soluble cement composition.

Dental material

A white, substantially non-iron containing dental material formed from Portland cement. The material may be a dental cement, dental restorative or the like.

Flame-retarding fire protection element

The invention relates to fire protection elements comprising (A) an intumescent component containing at least one cyanuric acid derivative, at least one sugar polyol, at least one ammonium polyphosphate, at least one exfoliating graphite constituent, and aluminium hydroxide, and (B) a binding carrier (base material), the component (A) being homogeneously distributed in the binding carrier (base material) (B). The invention also relates to a flame-retarding element thus produced, and to a method for the production thereof.

Biodegradable retarder for cementing applications

Cement compositions comprising carboxylated inulin and methods of using the same to cement a workspace. In one embodiment, a method of cementing includes providing a cement composition comprising a carboxylated inulin, for example, in a subterranean formation. The method further includes allowing the cement composition to set. In some embodiments, the cement composition has a thickening time of from about 2 hours to about 11 hours. In other embodiments, the cement composition has a viscosity that is about constant for a period of time after the cement composition is placed.

阻燃型环保装饰板及其制备方法

本发明公开了一种阻燃型环保装饰板及其制备方法，它采用谷糠粉或木粉为主要原料，以不含甲醛的糯米糊作为粘合剂，石灰粉作为粘合剂和填料，并辅以常规阻燃剂作添加剂，通过一定工艺制备而成，制备出来的装饰板具有不含甲醛、无毒、阻燃、废物利用、制作简单、成本低的优点，克服了以前装饰板因含有甲醛会对用户身体产生危害的缺点，符合人们对环保的要求，是一种新型的环保装饰材料。

Encapsulation Medium

The invention provides a cementitious composition comprising at least one sulphoaluminate cement which comprises a sulphoaluminate salt of an alkaline earth metal, the cementitious composition being essentially free of other cementitious components. Preferably the at least one sulphoaluminate salt of an alkaline earth metal comprises calcium sulphoaluminate and the cementitious composition additionally comprises at least one further salt of an alkaline earth metal, preferably calcium sulphate. The invention also provides a method for the encapsulation of materials, the method comprising treating the materials with the said at least one cementitious composition. Preferably, the materials which are encapsulated according to the method of the invention comprise waste materials generated in the nuclear processing industry comprising amphoteric reactive metals.

Channeled ceramic structure and process for making same

Ceramic structure having porosity of 10-80% is characterized by a solid cmic matrix having therein elongated and parallel channels, the structure is made by a process that includes the steps of: (a) arranging tows of elongated fibers parallel to each other to form a fiber preform, (b) contacting the fiber preform with a matrix precursor whereby the matrix precursor deposits around the fibers, (c) removing the fiber preform from the matrix precursor, (d) drying the fiber preform, (e) calcining the fiber preform, (f) hot pressing the structure containing the fugitive fibers therein, and (g) removing at least some of the fibers to form channels in the structure.

Système de résine de polyester insaturé, exempt de cobalt, préactivé pour pierre artificielle

L'invention concerne une composition pouvant être façonnée pour la préparation de pierre artificielle comprenant un système de résine de polyester insaturé, exempt de cobalt, préactivé, un matériau particulaire inorganique et un composant peroxyde. L'invention concerne également un procédé pour la préparation de pierre artificielle ainsi que l'utilisation du système de résine de polyester insaturé, exempt de cobalt, préactivé pour la préparation de pierre artificielle.

copolímeros de acetato de vinila para o ajuste hidráulico de massas de material de construção

resumo copolímeros de acetato de vinila para o ajuste hidráulico de massas de material de construção a invenção refere-se a copolímeros de acetato de vinila que podem ser obtidos por meio da polimerização iniciada por radical de monômeros etilenicamente insaturados em um meio aquoso, caracterizados pelo fato de que 40 a 80% em peso de acetato de vinila, 15 a 35% em peso de cloreto de vinila, 1 a 25% em peso de etileno e, opcionalmente, um ou mais comonômeros etilenicamente insaturados adicionais são utilizados como monômeros etilenicamente insaturados na polimerização, as especificações em % em peso referentes ao peso total de todos os monômeros etilenicamente insaturados utilizados e somam até 100% em peso.

Cementitious composition with high bond strength to both asphalt and cement based materials

A hydratable cement composition which will bond to both asphalt and cementitious substrates is supplied for the repair of various surfaces. The composition comprises of a combination of Portland cement, calcium sulfoaluminate cement or calcium aluminosilicate, and an alkali metal salt activated pozzolonic powder, wherein the Portland cement content of the hydratable portion of the composition is greater than 20%. The composition is free from latex bonding agents and calcium aluminate. The composition is mixed with water to form a typical cement, mortar, or concrete consistency, placed and allowed to cure. The result is a self-adhering patch to damaged surfaces. The hydratable cement composition may also be used to fabricate items of original construction by casting into molds or forms.

Cementitious composition with high bond strength to both asphalt and cement based materials

A cementitious composition of one embodiment, according to the present teaching, includes, but is not limited to, a Portland cement, and at least one other cement from a group comprising, but not limited to, calcium sulfoaluminate cement, a calcium aluminosilicate cement, and calcium aluminate, wherein the Portland cement has a content of at least 20 percent based on the total weight of the non-Portland hydratable cement powder, wherein the cementitious composition bonds to asphalt.

Compositions for the manufacture of gypsum boards, methods of manufacture thereof, and gypsum boards formed therefrom

A composition for the manufacture of a gypsum board comprising hydrated pregelatinized starch and stucco with 0.4 to 3 wt. % of starch based on the stucco weight is disclosed. The composition provides enhanced strength in the absence of other strengthening agents.

건축용 조성물

일 실시예에 따른 건축용 조성물은 건축 자재를 구성하고, 현지토 또는 황토를 주성분으로 하여 만들어질 수 있다. 상기 건축용 조성물은 현지토 또는 황토를 포함하는 주재료; 물; 상기 주재료의 접착력을 보완하는 수용성 고분자 공중합수지; 및 상기 주재료의 강도를 보강하는 수용성 경화형 바인더;를 포함하고, 상기 수용성 고분자 공중합수지 및 상기 수용성 경화형 바인더는 일정 비율로 첨가되어 상기 주재료의 성형을 용이하게 할 수 있다.

制备复合材料制品的方法

制备复合材料制品的方法，包括以下步骤：(a)提供可固化混合物，其包含：‑30‑95重量％的填料，‑5‑70重量％的树脂，其选自不饱和聚酯树脂、乙烯基酯树脂、(甲基)丙烯酸酯树脂及其组合，‑0.5‑10phr的至少一种过氧酯，‑0.1‑2.0phr的至少一种有机氢过氧化物，过氧酯/有机氢过氧化物的重量比小于14.0，所述可固化混合物基本上不含酮过氧化物，(b)将所述混合物成型，和(c)在60‑100℃的温度下加热成型的混合物以影响树脂的硬化和制品的形成。

Settable compositions comprising interground perlite and hydraulic cement

Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a method of cementing comprising: providing a settable composition comprising perlite, hydraulic cement, and water, wherein the perlite and hydraulic cement are interground prior to combination with the water to form the settable composition; and allowing the settable composition to set.

Settable compositions comprising cement kiln dust and rice husk ash and methods of use

Embodiments disclose method and compositions that comprise cement kiln dust and rice husk ash. An embodiment comprises a method of cementing comprising: placing a settable composition into a subterranean formation, the settable composition comprising cement kiln dust, rice husk ash, and water; and allowing the settable composition to set. Another embodiment discloses a settable composition comprising cement kiln dust, rice husk ash, and water.

Permeable concrete and paving method for road using the same

PURPOSE: A water-permeable concrete and a road pavement method using the same are provided to prevent the concrete from being frozen or broken in the winter season. CONSTITUTION: A water-permeable concrete comprises aggregate 60~75 weight%, cement 10~18 weight%, waste rubber 5~20 weight%, meta kaolin 2~3 weight%, melment F-10 0.1~1 weight%, alabaster 1~10 weight%, meta potassium silicate 2~4 weight%, and magnesium fluoride 1~5 weight%.

Blast furnace slag-based compositon and hardened product thereof

본 발명의 경화체는 고로슬래그에 활성화제로서 산화칼슘 및 보조 활성화제로서 포름산칼슘이 첨가된 조성물로부터 양생되어 높은 압축강도를 가지면서, 염화칼슘 등의 부식성 활성화제를 사용하지 않아서 철근 부식의 문제도 없다. The cured body of the present invention is cured from a composition in which calcium oxide as an activator and calcium formate as an auxiliary activator is added to the blast furnace slag, and has high compressive strength, and does not use a corrosive activator such as calcium chloride, so there is no problem of rebar corrosion. .

一种膨胀混凝土及其低碱高效混凝土膨胀剂

本发明提供了一种膨胀混凝土及其低碱高效混凝土膨胀剂,膨胀混凝土是由水泥10～20%、砂子20～40%、石子30～60%,外加水泥重量6～10%的膨胀剂组成,所说膨胀混凝土为补偿收缩混凝土或大膨胀接缝混凝土其特征是由经700℃－1100℃煅烧的焦宝石20－40%、硫酸铝5－20%和硬石膏40－60%共同粉磨而成,该膨胀剂的优点是膨胀率高,掺量低,碱含量低,存放时间长,不受气候条件影响,增强高强、耐酸、耐碱、成本低,工艺简单,需水量少,有利于泵送混凝土的坍落度保持,易于生产实施。

Light foamed binding substance based on fly ash and synthesis method thereof

FIELD: construction. SUBSTANCE: group of inventions relates to construction, particularly to a method for producing light cementing mixture which is intended for making cement-chip boards and compositions for making light cementing binding substance. method of producing light cementing mixture for making cement-chip boards with improved compression strength and water resistance, involves mixing water, reactive powder, 1-200 pts.wt aggregate, 1.5-6 wt% alkali metal salt and citric acid, 0.5-1.5 wt% alkali metal silicate, 2.0-6.0 wt% foaming agent and optionally foam stabiliser, pts.wt are given in terms of dry substance per 100 pts.wt reactive powder, 80 to 100 wt% flue ash, wherein flue ash includes flue ash class C, flue ash class F with Portland cement type III; and a mixture of flue ash class C and fly ash class F, optionally with Portland cement type III, and optionally reactive powder does not contain hydraulic cement. Composition for making light cementing binding substance for making cement-chip boards using described method contains a mixture of: cementing reactive powder containing from 80 to 100 wt% flue ash, 1-200 pts.wt filler, 1.5-6 wt% of alkali metal salt and citric acid, 0.5-1.5 wt% alkaline silicate, 2.0-6.0 pts.wt foaming agent, optionally, a foam stabilising agent based on polyvinyl alcohol and water, pts.wt are given in terms of dry substance per 100 pts.wt reactive powder, wherein ratio of water to solid phase of cementing reactive powder in mixture is approximately 0.22-0.287:1, concentration of polyvinyl alcohol, in case of presence, in aqueous solution is approximately from 2 to 5 %, flue ash includes flue ash class C, flue ash class F with Portland cement type III; and a mixture of flue ash class C and fly ash class F, optionally with Portland cement type III; density of binding substance is approximately 0.48-1.04 g/cm 3 (from 30 up to 65 pounds per cubic feet) with stable bubbles of micron size, and compression strength of binding ...

Chromium-free ceramic coating compositions

FIELD: chemistry. SUBSTANCE: invention relates to chromium-free suspensions used in production of protective multilayer coatings formed by silicate-based substrates, which are sealed with upper coatings based on aluminium phosphate. Disclosed are systems of compositions of aqueous suspensions for obtaining a multilayer coating on a substrate, containing a suspension of substrate and a suspension of an upper coating containing an aqueous solution of a binder based on aluminium phosphate, having a molar ratio of Al:PO 4 more than 1:3. Substrate suspension contains a binder containing an aqueous solution of lithium potassium silicate doped with lithium and an aluminium or aluminium alloy powder incorporated into the binder. Powder of aluminium or aluminium alloy and binder is contained in the form of a single-component composition. Aluminium or aluminium alloy powder has particle size distribution, and lithium doped potassium silicate contains potassium and lithium in ratio from 3:1 to 20:1 by weight in form of K 2 O:Li 2 O, wherein the ratio of silicate to potassium is in range of 2:1 to 3:1 by weight in form of SiO 2 :K 2 O. EFFECT: invention enables to obtain multilayer coatings exhibiting excellent resistance to corrosion and heating, capable of replacing traditional coatings containing chromium. 15 cl, 12 dwg, 5 tbl, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 714 007 C2 (51) МПК C23C 28/04 (2006.01) C23C 24/08 (2006.01) C09D 5/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C23C 28/04 (2019.08); C23C 24/08 (2019.08); C09D 5/08 (2019.08) (21)(22) Заявка: 2017135192, 08.03.2016 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ПРАКСАЙР С.Т. ТЕКНОЛОДЖИ, ИНК. (US) Дата регистрации: 11.02.2020 13.03.2015 US 14/657,536 (43) Дата публикации заявки: 05.04.2019 Бюл. № 10 (56) Список документов, цитированных в отчете о поиске: US 2006166014 A1, 27.07.2006. EP 2730679 A1, 14.05.2014. ...

无铅无镉陶瓷釉上颜料及其制备方法

本发明涉及一种无铅无镉的陶瓷釉上颜料及其制备方法，由70%～95%重量的熔剂和5%～30%重量的色剂组成，其中熔剂是由SiO 2 55.0～80.0mol%、B 2 O 3 3.0～15.0mol%、Bi 2 O 3 1.0～8.5mol%、Al 2 O 3 1.0～9.0mol组成的主体熔剂、两种碱金属氧化物和一种碱土金属氧化组成的复合助熔剂，由ZrSiO 4 、SnO 2 、La 2 O 3 组成的稳定剂和从MgO、CaO、ZnO、TiO 2 中选择出来的呈色助剂组成的；发明的颜料色调齐全，呈色纯正艳丽，耐酸耐碱，适用与筛网印刷、平版印刷、喷彩工艺，用于各种陶瓷釉面装饰。

Method for producing polymer-based floor or wall coverings, and products obtained thereby

본 발명은 폴리머를 베이스로 한 바닥피복재 또는 벽피복재를 제조하는 방법을 제공한다. 본 발명에 따라서 고분극성을 갖는 코모노머 그룹으로서 가공한 폴리머를 광물성 충전물과 혼합한 후 특히, 바닥피복재 또는 벽피복재로서 적합한 내부식성 재료인 시트나 스트립 또는 타일을 종래의 피브이시(PVC)제조공법을 통해 제조할 수 있도록 하는 것임. The present invention provides a method for producing a polymer based floor covering or wall covering. According to the present invention, a polymer processed as a highly polarized comonomer group is mixed with a mineral filler and, in particular, a sheet, strip or tile, which is a corrosion resistant material suitable as a floor coating or a wall coating, is prepared using a conventional PVC production process. It is to be manufactured through.

Curable formulations for structural and non-structural applications

According to some embodiments, a curable mixture configured to set in the presence of water, wherein the mixture comprises magnesium oxide, a primary cementitious component (e.g., slag cement) and at least one accelerant. A proportion by weight of the primary cementitious component is 80% to 120% of a proportion of magnesium oxide by weight.

Curable formulations for structural and non-structural applications

According to some embodiments, a curable mixture configured to set in the presence of water, wherein the mixture comprises magnesium oxide, a primary cementitious component and at least one accelerant. A proportion by weight of the primary cementitious component is 80% to 120% of a proportion of magnesium oxide by weight.

Способные к схватыванию композиции, содержащие невспученный перлит, и способы цементирования в подземных пластах

Настоящее изобретение относится к способу цементирования, включающему введение в ствол скважины способной к схватыванию композиции, содержащей невспученный перлит, цементную печную пыль, пумицит и воду, и предоставление возможности композиции схватиться. В варианте осуществления настоящего изобретения способ цементирования включает введение в ствол скважины способной к схватыванию композиции, содержащей цементную печную пыль, измельченный невспученный перлит, портландцемент, перемолотый с пумицитом, и воду; и предоставление возможности композиции схватиться. Изобретение развито в зависимых пунктах формулы изобретения. Технический результат - повышение прочности при сжатии отвердевшей композиции, используемой при цементировании. 2 н. и 20 з.п. ф-лы, 6 пр. 6 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C09K 8/42 (13) 2 562 627 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013133823/03, 21.12.2011 (24) Дата начала отсчета срока действия патента: 21.12.2011 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): БРЕННАЙС Чэд Д. (US), КАРЧЕР Джеффри Д. (US), РОДДИ Крэйг Уэйн (US) 21.12.2010 US 12/975196 (43) Дата публикации заявки: 27.01.2015 Бюл. № 3 R U (73) Патентообладатель(и): ХЭЛЛИБЕРТОН ЭНЕРДЖИ СЕРВИСИЗ, ИНК. (US) (45) Опубликовано: 10.09.2015 Бюл. № 25 C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 22.07.2013 (86) Заявка PCT: GB 2011/001749 (21.12.2011) 2 5 6 2 6 2 7 (87) Публикация заявки PCT: R U 2 5 6 2 6 2 7 (56) Список документов, цитированных в отчете о поиске: GB 2455446 A, 17.06.2009 , . US 2010044043 A1, 25.02.2010 . RU 2009104692,А, 20.08.2010 . WO 2009006428 A1 08.01.2009. US 2006175060 A1, 10.08.2006. GB 833071 A, 21.04.1960 . КАСТОРНЫХ Л.И. Добавки в бетоны и строительные растворы, . Ростов -на -Дону Феникс, 2005, с.119 WO 2012/085509 (28.06.2012) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, строение 3, ООО "Юридическая фирма ...

FIBROUS AND REFRACTORY CONSTRUCTION BODIES.

LA INVENCION SE REFIERE A UN COMPONENTE FIBROSO EN FORMULA DE CUERPOS LIGEROS REFRACTARIOS. EL COMPONENTE FIBROSO CON ARREGLO A LA INVENCION, PRESENTA LA VENTAJA, YA QUE EL COMPONENTE FIBROSO NO CONTIENE MAYORITARIAMENTE Y EVENTUALMENTE NINGUNA O CASI NINGUNA FIBRA CONTAMINANTE, PORQUE EVENTUALMENTE TODAVIA LAS FIBRAS EXISTENTES EN EL COMPONENTE FIBROSO, SE DESCOMPONEN LIGERAMENTE A TRAVES DE AGUA O LIQUIDOS. EL COMPONENTE FIBROSO PRESENTA LAS PROPIEDADES TERMICAS Y MECANICAS VENTAJOSAS DE CUERPOS LIGEROS USUALES. EL COMPONENTE FIBROSO CON ARREGLO A LA INVENCION, SE PRODUCE A TRAVES DE FIBRAS INORGANICAS, QUE CONSISTE POR LO MENOS EN UN 90% DE 20 A 50% EN PESO DE CAO Y 50 A 80% EN PESO DE AL2O3, Y UN RESTO DE MAXIMO 10% EN PESO DE OXIDOS CONTAMINANTES CON EMPLEO DE AGUA O UN FLUIDO CONTENIENDO AGUA COMO FLUIDO ADICIONAL, EN TODO CASO CON EMPLEO DE ADITIVOS REFRACTARIOS USUALES. THE INVENTION IS RELATED TO A FIBROUS COMPONENT IN THE FORMULA OF REFRACTORY LIGHT BODIES. THE FIBROUS COMPONENT UNDER THE INVENTION, PRESENTS THE ADVANTAGE, BECAUSE THE FIBROUS COMPONENT CONTAINS NO MAJORITY AND EVENTUALLY NO OR ALMOST NO CONTAMINATING FIBER, THERE WILL STILL BE ANY FOLLOWING FIBERS OUTSIDE OF THE COMPONENT. . THE FIBROUS COMPONENT PRESENTS THE ADVANTAGE THERMAL AND MECHANICAL PROPERTIES OF USUAL LIGHT BODIES. THE FIBROUS COMPONENT UNDER THE INVENTION IS PRODUCED THROUGH INORGANIC FIBERS, WHICH CONSISTS OF AT LEAST 90% OF 20 TO 50% IN WEIGHT OF CAO AND 50 TO 80% IN WEIGHT OF AL2O3, AND A REST OF MAXIMUM 10% BY WEIGHT OF CONTAMINATING OXIDES WITH USE OF WATER OR A FLUID CONTAINING WATER AS ADDITIONAL FLUID, IN ALL CASES WITH USE OF USUAL REFRACTORY ADDITIVES.

Heat-insulating heat-resistant molded article, in particular, a plate, method of its production and its application

FIELD: moulding. SUBSTANCE: group of inventions relates to a heat-insulating refractory molded article, to a method for its production and use of a molded article for heat insulation. Unfermented heat-resistant molded article for prolonged or continuous use at high temperatures, containing binding matrix of hardened binder and granular additive of filler from biogenic silicic acid, which is bound in binding matrix, where binding matrix consists of silica gel, additive in molded article by at least 50 wt % with respect to total dry weight of additives consists of rice hull ash, and additive contains from 0 to <10 wt % of total content (dry weight) of fillers of at least one additional filler from heat-resistant material, which consists not only of SiO 2 , wherein the molded article has a softening point defined in the heating microscope according to DIN EN 51730 (09/2007), at temperature of 1500–1700 °C. Method of producing said molded article involves the following process steps: a) obtaining a mixture containing said additive and silicisole, b) placing the mixture into a mold, c) compacting the mixture, d) removing an undried molded article from the mold, e) curing the molded article at a temperature which is lower than the temperature of the ceramic firing so that the binder is cured or hardened. Use of said molded article for heat insulation of molten metal and/or metal ingot solidified from molten metal. Use of said molded article for heat insulation of refractory lining, or as anticorrosion barrier, or as fire-resistant lining, or as filtering material for hot gases. Group of inventions is developed in dependent claims. EFFECT: technical result is obtaining a heat-resistant heat insulating molded article having low specific weight, high chemical purity and strength. 32 cl, 7 tbl, 1 ex, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 731 235 C2 (51) МПК C04B 28/24 (2006.01) C04B 38/00 (2006.01) C04B 40/02 (2006.01) C04B 111/20 (2006.01) B22D 11/106 (2006.01) ...

Patent RU2017135192A3

ВУ"? 2017135192” АЗ Дата публикации: 06.12.2019 Форма № 18 ИЗИМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017135192/02(061520) 08.03.2016 РСТ/О$2016/021296 08.03.2016 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14/657,536 13.03.2015 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) БЕСХРОМАТНЫЕ КЕРАМИЧЕСКИЕ КОМПОЗИЦИИ ДЛЯ НАНЕСЕНИЯ ПОКРЫТИЙ Заявитель: ПРАКСАИР С.Т. ТЕКНОЛОДЖИ, ИНК., 0$ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [ ] приняты во внимание все пункты п см. Примечания [ ] приняты во внимание следующие пункты: Р ) [Х] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) С23С 28/04 (2006.01) С23С 24/08 (2006.01) С09р 5/08 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) С23С 24/00, 24/08, 28/00, 28/04, С09Р 5/00, 5/08 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепеь, ]-Р]а( Ра РАТЕМТЗСОРЕ, Рабеагсв, КОРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) ...

CEMENT-FREE COMPOSITION FOR PREPARING FOAM CONCRETE

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2005 105 187 (13) A (51) ÌÏÊ C04B 38/10 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2005105187/03, 24.02.2005 (43) Äàòà ïóáëèêàöèè çà âêè: 10.08.2006 Áþë. ¹ 22 (72) Àâòîð(û): Øåâ÷åíêî Âàëåíòèíà Àðêàäüåâíà (RU), Àðòåìüåâà Íàòàëè Àëåêñàíäðîâíà (RU) R U Àäðåñ äë ïåðåïèñêè: 660041, ã.Êðàñíî ðñê, ïð. Ñâîáîäíûé, 82, ÊÃÀÑÀ, íàó÷íî-èññëåäîâàòåëüñêèé ñåêòîð, ïàòåíòîâåäó Ò.Á. Ãåëüáîâîé (71) Çà âèòåëü(è): Êðàñíî ðñêà ãîñóäàðñòâåííà àðõèòåêòóðíîñòðîèòåëüíà àêàäåìè (RU) (54) ÁÅÑÖÅÌÅÍÒÍÀß ÊÎÌÏÎÇÈÖÈß ÄËß ÏÐÈÃÎÒÎÂËÅÍÈß ÏÅÍÎÁÅÒÎÍÀ Âûñîêîêàëüöèåâà çîëà - óíîñ ÒÝÖ Ìèêðîêðåìíåçåì A Ìèíåðàëèçîâàííûå ñòîêè Ïåíîêîíöåíòðàò 0,2...0,3 R U A Ñòðàíèöà: 1 RU 3...4 2,5...3,0 Îñòàëüíîå 2 0 0 5 1 0 5 1 8 7 Âîäà 55...60 2 0 0 5 1 0 5 1 8 7 (57) Ôîðìóëà èçîáðåòåíè Áåñöåìåíòíà êîìïîçèöè äë ïðèãîòîâëåíè ïåíîáåòîíà, âêëþ÷àþùà âûñîêîêàëüöèåâóþ çîëó - óíîñ òåïëîýëåêòðîñòàíöèé, äîáàâêó, ñîäåðæàùóþ õëîðèñòûé êàëüöèé, ïåíîîáðàçîâàòåëü è âîäó, îòëè÷àþùà ñ òåì, ÷òî îíà äîïîëíèòåëüíî ñîäåðæèò ìèêðîêðåìíåçåì, à â êà÷åñòâå äîáàâêè èñïîëüçîâàíû ìèíåðàëèçîâàííûå ñòîêè - îòõîä ìåòàëëóðãè÷åñêîãî ïðîèçâîäñòâà ïðè ñëåäóþùåì ñîîòíîøåíèè êîìïîíåíòîâ, ìàñ.%:

Formaldehyde-free mineral fibre insulation product

Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations

An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water.

Methods of plugging and abandoning a well using compositions comprising cement kiln dust and pumicite

The present invention is directed to plug-and-abandon operations that use plugging compositions comprising cement kiln dust, pumicite, and/or lime. An embodiment includes a method of plugging a well bore for abandonment comprising: placing a plugging composition in the well bore, the plugging composition comprising: cement kiln dust in an amount of about 5% to about 100% by weight of cementitious components, pumicite in an amount of about 5% to about 100% by weight of cementitious components, 0% to about 24% of Portland cement by weight of cementitious components, and water; and allowing the plugging composition to set and form a plug.

Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations.

Una modalidad de la presente invención comprende un método para cementación que comprende: colocar una composición fraguable en un sondeo, la composición fraguable comprende perlita sin expandir, polvo de horno del cemento, y agua; y dejar que se fragüe la composición fraguable. Otra modalidad de la presente invención comprende un método para cementación que comprende: colocar una composición fraguable en un sondeo, la composición fraguable comprende perlitas sin expandir molida, cemento Portland molido conjuntamente con pumicita, y agua; y dejar que se fragüe la composición fraguable. Todavía otra modalidad de la presente invención comprende una composición fraguable que comprende: perlita sin expandir molida; polvo de horno del cemento; y agua.

Cement slurries for well bores

Cement slurries are provided for use in cementing oil and gas wells. The cement slurry comprises API Class C or Class H Portland cement and a pozzolan selected from the group consisting of pumice and mixtures of pumice and fly ash. Pumice is present in the mixtures in amounts at least about 40 wt % of the pozzolan. The weight ratio of the pozzolan to the cement is from about 35:65 to about 70:30. The novel cement slurries preferably will not comprise any additional lime, including hydrated lime, or other activators.

Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations

Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations

An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water.

Sealant compositions comprising cement kiln dust and tire-rubber particles and method of use

Methods and compositions are provided that relate to sealant compositions comprising cement kiln dust, tire-rubber particles, and water. An embodiment discloses a method comprising: providing a sealant composition comprising cement kiln dust, tire-rubber particles, and water; and allowing the sealant composition to set to form a hardened mass.

Acid-soluble cement compositions comprising cement kiln dust and methods of use

The present invention relates to acid-soluble cement compositions that comprise cement kiln dust (“CKD”) and associated methods of use. An embodiment provides a method of cementing comprising: providing an acid-soluble cement composition comprising a kiln dust and water; allowing the acid-soluble cement composition to set to form an acid-soluble hardened mass; and contacting the acid-soluble hardened mass with an acid.

Methods of plugging and abandoning a well using compositions comprising cement kiln dust and pumicite

The present invention is directed to plug-and-abandon operations that use plugging compositions comprising cement kiln dust, pumicite, and/or lime. An embodiment includes a method of plugging a well bore for abandonment comprising: placing a plugging composition in the well bore, the plugging composition comprising: cement kiln dust in an amount of about 5% to about 100% by weight of cementitious components, pumicite in an amount of about 5% to about 100% by weight of cementitious components, 0% to about 24% of Portland cement by weight of cementitious components, and water; and allowing the plugging composition to set and form a plug.

Accelerators for composite cement compositions

Disclosed herein are methods, compositions, and systems for cementing. A method of cementing may comprise: providing a composite cement composition comprising a pozzolan, an accelerator, and water, wherein the accelerator comprises a chloride salt and a sulfate salt, wherein the composite cement composition is free of Portland cement or comprises Portland cement in an amount of about 50% by weight of cementitious components or less; and allowing the composite cement composition to set.

Drilling and cementing with blast furnace slag/silicate fluid

A drilling and cementing operation is carried out utilizing a universal fluid comprising blast furnace slag, water, a silicate and a retarder, the components of the drilling fluid being chosen so as to have a dual functionality in promoting the drilling fluid and thereafter in being functional constituents of a cementitious slurry.

Drilling and cementing with blast furnace slag/polyalcohol fluid

A drilling and cementing operation is carried out utilizing a universal fluid comprising blast furnace slag, water and a polyalcohol, the components of the drilling fluid being chosen so as to have a dual functionality in promoting the drilling fluid and thereafter in being functional constituents of a cementitious slurry.

Binder for mine tailings

A binder for mine tailings and aggregate used as a backfill for an underground void comprises ferrous slag, and cement kiln dust, optionally with lime kiln dust; the binder displays strength characteristics better than or comparable to those achieved with conventional binders based on Portland cement and slag.

Methods and compositions for use in cementing in cold environments

Cement compositions for cementing wellbores in cold environments. The cement compositions may include a mixture of a reactive aluminum silicate, aluminum sulfate and hydraulic cement, and may include one or more other additives. The cement compositions may be formulated to have reduced heat of hydration as compared to conventional cements, making them suited for cementing in permafrost environments. The cement slurries may optionally be foamed using a foaming agent and energizing phase.

Concrete mixtures incorporating high carbon pozzolans and foam admixtures

Concrete mixtures are manufactured to include high carbon pozzolans and a foam admixture (for air entrainment). The foam bubbles in the foam admixture are stabilized in the presence of the high carbon fly ash by a fluorochemical surfactant. The fluorochemical surfactant preferably comprises an oligomer comprising hydrophilic nonionic monomers and hydrophilic anionic monomers. The high carbon pozzolans can preferably have an LOI greater than between about 1.5% and about 6.0%, without substantially affecting the durability of the foam bubbles in the concrete mixture.

Synthetic microspheres and methods of making same

A building product incorporating synthetic microspheres having a low alkali metal oxide content is provided. The synthetic microspheres are substantially chemically inert and thus a suitable replacement for cenospheres derived from coal combustion, particularly in caustic environments such as cementitious mixtures. The building product can have a cementitious matrix such as a fiber cement product. The synthetic microspheres can be incorporated as a low density additive and/or a filler for the building product and/or the like.