Entries |
Document | Title | Date |
20080262129 | PROCESS FOR PRODUCING POWDER - The present invention provides production of a powder containing the cationic surfactant (b) by mixing an anionic aromatic compound (a), a cationic surfactant (b) and water to obtain a viscous material and feeding the viscous material heated at the specific temperature to the drying step. | 10-23-2008 |
20080293850 | Use of Comb Polymers as a Grinding Agent for Preparations Containing Cement - The present invention relates to the use of comb polymers which have a carbon backbone which bears polyether groups of the formula A | 11-27-2008 |
20090030116 | Method and Composition for Producing an Item - A composition for producing a building item comprises: finely subdivided inert materials, an alkali metal polysilicate, an oxidizing agent, formaldehyde; a method for producing a building item comprises: dispersing finely subdivided inert materials in a solution of an alkali metal polysilicate, so as to obtain a mixture; adding an oxidizing agent and formaldehyde to said mixture; pouring said mixture into a mould, so as to enable said mixture to expand in volume, solidify and produce said item; drying said item. | 01-29-2009 |
20090036571 | Water-Soluble Copolymers Containing Sulpho Groups, Process for Their Preparation and Their Use - Water-soluble sulfo group containing copolymers use as stabilizers, rheology modifiers and water retention agents in aqueous building materials based on hydraulic binders, such as cement, lime, gypsum and anhydrite, and in water-based painting and coating systems are described. Processes of preparing the copolymers and methods of using them are also described. | 02-05-2009 |
20090076196 | Shaped particles from settable materials, manufacturing, composition, and composites - A plurality of shaped particles that comprises at least one shaped early mechanically strong particle, the plurality of particles comprising a plurality of settable compounds, the shaped early mechanically strong particles being solid, porous, hollow, or a combination thereof, and being at least one of round and elongated. | 03-19-2009 |
20090137703 | PIGMENTABLE ASPHALT BINDER COMPOSITION - The present invention relates to the preparation of a pigmentable asphalt binder composition obtained from petroleum- and shale-refining streams, having a low content of asphaltenes, aromatic diluents of high aromaticity, polymers and inorganic pigments, obtaining a coloured product. The composition of the present invention is employed in paving, permitting embellishment of roads, greater light reflection and reduction in coating temperature and in addition greater resistance to permanent deformation due to its excellent temperature susceptibility and higher softening point. | 05-28-2009 |
20090149574 | Iron Filled Urethane Cementitious Flooring Composition - Cementitious flooring compositions are products obtained by mixing together and allowing to cure hydraulic cement, water, iron aggregate filler, and resin forming components comprising polyisocyanate and an isocyanate reactive compound. The compositions are particularly suitable for flooring applications and the mixtures, once made up, set very rapidly. | 06-11-2009 |
20090170977 | BUILDING BOARD MADE OF MUNICIPAL REFUSE AND AGRICULTURAL PLANT WASTES AND MANUFACTURING METHOD THEREOF - The invention relates to a building board made of municipal refuse and agricultural plant wastes and manufacturing method thereof. The principal raw materials of the board include 200 parts of lightly-burned magnesium powder, 40 to 75 parts of magnesium chloride solution of 28 to 32 Baume degrees, 1 to 2 parts of 36-38% industrial hydrochloric acid, 80 to 120 parts of mineral materials originated from municipal refuse, 20 to 30 parts of agricultural plant wastes, and 50 to 80 parts of fly ash. The manufacturing method of the board includes preparing raw materials, preparing slurry, shaping and curing naturally. The invention uses huge amounts of mineral materials in municipal refuse and agricultural plant wastes as raw materials to making building board, and thereby realizing a recycling of these waste materials. | 07-02-2009 |
20090197991 | RHEOLOGY MODIFYING ADDITIVE FOR DRY CAST CEMENTITIOUS COMPOSITIONS - A dry cast cementitious composition including cement, water, and a rheology modifying additive (RMA) is provided. The inclusion of the RMA improves the dry cast cementitious composition's response to vibration and dampens out differences due to minor fluctuations in initial slump of the composition. The RMA may include a dispersant for the dry cast cementitious compositions. The dry cast cementitious composition may optionally include other admixtures or additives known in the industry. Methods for making the dry cast cementitious composition and dry cast cementitious articles from the composition are also provided. | 08-06-2009 |
20090209681 | UREA-FORMALDEHYDE RESIN REINFORCED GYPSUM COMPOSITES AND BUILDING MATERIALS MADE THEREFROM - A composite material containing substantially homogeneous matrix of a gypsum material and a urea-formaldehyde material where wet-used chopped strand fibers are filamentized within the substantially homogeneous matrix. | 08-20-2009 |
20090275679 | System and method for the pre-treatment of rubber-modified asphalt cement, and emulsions thereof - This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using asphalt cement emulsions. | 11-05-2009 |
20090281211 | PROCESS FOR THE PREPARATION OF AN ARTIFICIAL LATEX - A process of producing an artificial latex, comprising the steps:
| 11-12-2009 |
20100022686 | INCORPORATION OF PLASTIC SCRAP IN ASPHALT COMPOSITIONS - Scrap plastic is treated for incorporation into asphalt-aggregate compositions by first shredding the plastic, then heating the shredded plastic to harden any pieces of film or flexible plastic and to generally reduce the size of the shreds without decomposing the plastic, and then grinding the heat-treated pieces to a size that can be blended with an aggregate. The blend is then combined with an asphalt binder to produce an asphalt-aggregate composition. No discrimination among, or selection of, specific types or classes of plastic is required. | 01-28-2010 |
20100041795 | Pavement Life Extension Product and Method - The present invention defines and illustrates a broadly applicable repair, preparation and application method for extending the useful life of road, bridge, parking and aviation pavement. The material is a combination of 3 Component raw material products that include: a Component A—a latex polymer emulsion; a Component B—a dry blend of Type I Portland cement and a specially sieved washed mason sand; a Component C—a special non-skid aggregate; and, water. This composite formula offers different pavement types extraordinary resistance to destructive environmental conditions; it offers enhanced pavement skid resistance and provides a rapid service turn-around, i.e., “return to service”. The method is a combination of three specific and equally significant variables that combined provide for the overall effectiveness of the method. The three variables are as follows; a) extensive surface specific preparation and repair techniques for different pavement types, b) a high-capacity bulk mixing system and placement machine; and, c) a comprehensive, blended polymer modified cement material composition designed for the repair and resurfacing of a wide variety of transportation pavement types. | 02-18-2010 |
20100093895 | Process for producing polymers having amide and ester groups in the solid state - The present invention relates to a process for the preparation of a polymer P having amide and ester groups in the solid state of aggregation, in a first step (a) a homo- or copolymer P1 of (meth)acrylic acid, itaconic acid or crotonic acid being reacted with at least one monohydroxy compound E at a temperature up to 200° C. to give a polymer P2, so that anhydride groups form in addition to ester groups, in a second step (b) the polymer P2 prepared in step (a) being cooled to below 60° C. so that the polymer P2 is present in the solid state of aggregation or as supercooled melt, and in a third step (c) the polymer P2 having anhydride groups and present in the solid state of aggregation or as supercooled melt being amidated with at least one amine compound A at temperatures below 60° C., the amine compound A used in the third step (c) being present in the solid state of aggregation or on or in a solid carrier material. | 04-15-2010 |
20100113650 | 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. | 05-06-2010 |
20100130647 | Fluidising Composition - A fluidising admixture for use with sprayable cementitious compostions, the admixture consists of 2-phosphonobutane-1,2,4-tricarboxylic acid and at least one selected polymer derived from ethylenically-unsaturated mono- or dicarboxylic acids. Citric acid may optionally be present. The admixture has good fluidising properties and outstanding shelf-life. | 05-27-2010 |
20100179251 | Polymer emulsion for pavement sealing - A pavement sealing composition and method of application of the sealant to pavement to form a thin coating which protects the pavement, particularly asphalt from the harmful effects of oxidation, water, ice and snow as well as fluids spilled onto the pavement surface from automobiles and aircraft. Preferably, the coating is formed of a polymer based emulsion. | 07-15-2010 |
20100210761 | LIQUID ADMIXTURE COMPOSITION - An admixture comprises an aqueous composition of a) a copolymeric dispersing component, b) an antifoaming agent component, c) a surfactant component, and d) water. The components may be a blend or physically or chemically attached and result in a stable liquid system that can be used as a dispersing agent for a calcium sulfate compound containing construction chemicals composition. | 08-19-2010 |
20100249280 | Cement Additive For Stucco Applications - An additive composition, a cement composition, and method for modifying rheology of an uncured masonry cement, comprising the use of at least one extra-cellular biopolymer, at least one anionic surfactant, and at least one cationic or amphoteric surfactant. Preferably, the biopolymer and surfactants are incorporated into the cement by incorporating the components into the grinding of clinker as part of the manufacture of the cement. Masonry cements produced by the invention have excellent workability, particularly when coarse sands are employed. | 09-30-2010 |
20100305238 | DISPERSANTS FOR HYDRAULICALLY SETTING SYSTEMS - The present invention relates to polymers P as dispersants, in particular as liquefiers, for hydraulically setting systems, and hydraulically setting systems comprising the polymer P. The polymer P comprises at least one acid unit, at least one ester unit, at least one unit containing a tetrahydrofurfuryl group, and optionally at least one amide unit. | 12-02-2010 |
20110054081 | FORMULATION AND ITS USE - Claimed is a formulation containing a) at least one component having dispersing properties and being selected from branched comb polymers having polyether side chains, a naphthalene sulphonate-formaldehyde condensate and a melamine sulphonate-formaldehyde condensate, and b) a polycondensation product. Typical representatives of component a) are polycarboxylate ether, polycarboxylate ester and uncharged copolymers. In addition to the main components a) and b) further additives such as anti-forming agents and tensides or polymers having a low charge, neutral polymers or polyvinyl alcohol can be comprised by the formulation that is suitable for controlling the flowability of aqueous suspensions of construction chemicals. | 03-03-2011 |
20110092617 | METHOD FOR BURNING COAL INVOLVING IMPLEMENTING AN ABSORBENT AGENT IN AN AQUEOUS DISPERSION, ASHES OBTAINED, AND USES THEREOF - The invention consists of a process for manufacturing ashes from the combustion of coal, this process comprising at least one step of bringing the coal into contact with an absorbent agent on the one hand, this absorbent agent being, on the other hand, contained in an aqueous phase in the presence of a (meth)acrylic dispersant, preferably a (meth)acrylic comb polymer. Thus the emissions of carbon dioxide and likewise the compounds based on sulphur, nitrogen or mercury which result from the combustion of coal are effectively combated. | 04-21-2011 |
20110136942 | TWO-COMPONENT MORTAR COMPOSITION SUITABLE FOR CONSTRUCTION PURPOSES, ITS USE AND THE CURED STRUCTURAL OBJECTS OBTAINED THEREBY - A two-component mortar composition suitable for construction purposes is disclosed. The two-component mortar composition includes a resin component A with a resin curable with a peroxide containing at least one norbornene group and at least one methacrylate containing compound and a hardener component B with a peroxide and at least one thiol. At least one of the resin component A and the hardener component B contains at least one inorganic filler. The resin component A and the hardener component B are spatially separated from one another to inhibit any reaction before mixing of the components. | 06-09-2011 |
20110160347 | STABILIZED REDISPERSIBLE POLYMER POWDER COMPOSITIONS - A water redispersible polymer powder may be produced by drying an aqueous mixture of a water insoluble film-forming polymer and a colloidal stabilizer comprising a chelating agent to obtain a water redispersible polymer powder, where the amount of chelating agent is at least 0.1% by weight, preferably at least 1% by weight, most preferably at least 3% by weight, based upon the weight of the water insoluble film-forming polymer. Dispersions or polymer compositions containing a chelating agent as a colloidal stabilizer exhibit an unexpectedly low viscosity which facilitates spray drying and permits use of high solids content dispersions with low pressure spray drying to increase production efficiency. The chelating agents are stable at high pH and so high pH spray dryable compositions containing them as a colloidal stabilizer may sit or be stored for prolonged periods of time prior to spray drying without loss of effectiveness of the colloidal stabilizer. | 06-30-2011 |
20110196069 | COMPOSITION WITH A BASE OF HYDRAULIC AND/OR POZZOLANIC MATERIAL - A mix including at least one hydraulic and/or pozzolanic material and at least one water-soluble cationic polymer, the cationic polymer having a density of cationic charges greater than 0.5 meq/g and an intrinsic viscosity less than 1 dl/g, and the hydraulic and/or pozzolanic material not being clinker, nor limestone, nor gypsum, nor calcium sulphate, nor anhydrous calcium sulphate, nor hemi hydrated calcium sulphate, nor plaster, nor lime. | 08-11-2011 |
20110207853 | Cement Mixture with Significantly Improved Physicochemical and Bacteriological Properties that Contains Dopamelanin, Precursors Thereof, Analogues Thereof or Derivatives Thereof, as an Additive - The present invention refers to a cement composition that contains dopamelanin, its precursors and/or its analogues as an additive in a maximum percentage of 30% of the cement. This additive substitutes water of the capillary nets. The mentioned cement mixture posses a water/cement relation of 0.2 to 0.4, optionally it can contain different sand and gravel proportions. This cement mixture generates strong chemical bonds, and increased scouring resistance, of at least 28% and a higher elastic resistance of the concrete, of at least 50%. Its cracking in early stages is very low or practically null. The present request also refers to the use of dopamelanin and/or its precursors and/or its analogues as an additive of the cement mixture that substitutes the capillary water proportion in the cementant mixture. Just as well the use of dopamelanin and/or its precursors and/or its analogues, in an aqueous solution, in less that 3%, as a concrete setting and curing agent, thus it significantly increases the ductility and scouring resistance of the cement mixture. This is, the novelty cement mixture improves the physicochemical and bacteriological properties of the usual concrete, being of special interest the notable increment related with compression resistance and ductility or relative displacements, suffering less damage in comparison with the mixture containing water. In a meaningful way, it also increases since early stages, the volumetric stability of the concrete, thus it intensifies its scouring resistance, which is inclusive transmitter to the metallic elements immersed in its interior, since certainly it significantly protects them from deterioration. | 08-25-2011 |
20110269875 | Plasticizer-Containing Hardening Accelerator Composition - The invention concerns a process for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound and a process for the preparation of a hardening accelerator composition by reaction of a calcium compound with a silicon dioxide containing component under alkaline conditions, in both cases the reaction of the water-soluble calcium compound with the water-soluble silicate compound being carried out in the presence of an aqueous solution which contains a water-soluble comb polymer suitable as a plasticizer for hydraulic binders. The invention concerns also a composition of calcium silicate hydrate and comb polymer, its use as hardening accelerator and for the reduction of the permeability of hardened compositions. | 11-03-2011 |
20110294922 | ENCAPSULATION OF PHOSPHORUS PENTASULFIDE - A method of treating or encapsulating phosphorus pentasulfide so that it can be safely handled, stored and transported. The treating or encapsulating involves combining the phosphorus pentasulfide with a hydrocarbon oil under high shearing conditions. The hydrocarbon oil can be a mineral oil such as a paraffinic oil. The encapsulated phosphorus pentasulfide is pumpable and, according to one embodiment, is used as a modifier/crosslinking agent in asphalt mixtures. | 12-01-2011 |
20110313083 | Two-component mortar compound and its use - A two-component mortar compound including a curable resin component (A) that contains 30% to 45% by weight of at least one radically polymerizable resin, 30% to 45% by weight of fillers, 15% to 25% by weight of cement and 1% to 8% of a thickeners, and including a separately arranged so as to inhibit reaction curing component (B) that contains 1% to 20% by weight of a peroxide, 10% to 35% by weight of water, 40% to 80% by weight of fillers and 0.5% to 5% by weight of thickeners, with the proviso that the sum of the quantities of the constituents of the resin component or of the curing component is always 100% by weight, which is characterized in that the resin component (A) contains 0.01% to 5% by weight of an organic and/or inorganic acid and/or salts and esters thereof, and the invention also describes its use to fasten anchoring means into drilled holes in mineral substrates by means of the chemical reaction of the resin component (A) with the curing component (B). | 12-22-2011 |
20120041103 | Fast Hydraulic Binder for Parts and Constructions Made of Concrete Containing A Calcium Salt - A fast hydraulic binder comprising cement, at least one first superplasticizer, a calcium salt, and at least one second superplasticizer different from the first superplasticizer and comprising a main chain and pendant groups connected to the main chain adapted so as to separate from the main chain in a basic medium, wherein the result is that the second plasticizer has a fluidifying action which increases at least temporarily over time in a basic medium. | 02-16-2012 |
20120059090 | ADJUVANT SYSTEM FOR PREFABRICATED CONCRETE - The invention proposes an adjuvant system for a concrete comprising as a combination: | 03-08-2012 |
20120077906 | Flexible Watertight Roof Coatings - The invention provides for the use of coating compositions based on one or more mineral binders, one or more polymers, one or more fillers, and, if desired, one or more additives for producing roof coatings, the coating compositions comprising at least 50% by weight of polymers, based on the dry weight of the polymers and of the mineral binders. | 03-29-2012 |
20120178854 | IRON(III)-COMPLEXING AGENTS FOR STABILIZING COMB POLYMERS IN MINERAL BINDING AGENTS - Compositions including a comb polymer and an Fe(III)-complexing agent X selected from the group consisting of thiocyanates, condensed phosphates, amines, amino acetic acids, oxycarboxylic acids and compounds of the formula (V). The invention also relates to a method for stabilizing comb polymers in the presence of Fe(III) using such Fe(III)-complexing agents X. | 07-12-2012 |
20120184649 | CORROSION-RESISTANT METAL-REINFORCED COMPOSITES - Disclosed herein are metal-reinforced composites that can exhibit improved corrosion resistance. In particular, the composites may include a polymer dispersed within a binding medium that can impede or inhibit the corrosive effects caused by certain salts. The composites, for example, can be prepared without departing from standard procedures for preparing the composite. Also disclosed herein are methods of making the composite, corrosion-resistant components of the composite, and methods of making the corrosion-resistant components. | 07-19-2012 |
20120252934 | Microcapsule Corrosion Control In Reinforced Concrete - Corrosion control in reinforced concrete is generally disclosed. Some example embodiments may include concrete including aggregate, cement, and/or microcapsules distributed within the cement, where the individual microcapsules may include a high pH salt substantially contained within an acid-soluble shell. If the pH of the concrete decreases, the acid soluble shell may swell and/or dissolve, such as below a pH of about 11, which may release the high pH salt. The high pH salt may locally increase the pH of the concrete. By increasing the pH above about pH 11, corrosion of steel rebar may be prevented and/or reduced. | 10-04-2012 |
20120289626 | CONCRETE COMPOSITION - Provided is a hydraulic material composition, including cement and a shrinkage-reducing agent for a hydraulic material, which does not require a combination with any other admixture, is inexpensive, and is capable of suppressing a reduction in strength of a hardened concrete material, suppressing generation of a crack in a hardened concrete material by virtue of its excellent shrinkage-reducing ability, and imparting excellent freeze-thaw resistance. The hydraulic material composition includes cement and a shrinkage-reducing agent for a hydraulic material including at least one kind of polyoxyalkylene compound (A) as an essential component, and has a spacing factor of 350 μm or less. | 11-15-2012 |
20120309871 | COMPOSITION OF A BASE FOR AN UMBRELLA - A composition of a base for an umbrella includes 0-45 wt % of a polyresin, 15-75% of cement, 3-5 wt % of water, 3-10 wt % of fiberglass, 7-20 wt % of rocks, 5-15 wt % of sand, and 5-10 wt % of an intensifier. The base meets the requirements of weight and stable support. The base avoids rusting. The base can be coated with a layer of paint, allowing easy processing. | 12-06-2012 |
20120322918 | METHOD FOR STABILISING LIQUID MERCURY USING SULFUR POLYMER CEMENT, VIA MERCURY SULFIDE - The invention relates to a method for stabilising liquid mercury using sulfur polymer cement, via mercury sulfide. Said method for stabilising liquid mercury by the production of sulfur polymer cement comprises (a) transformation of the liquid mercury into mercury sulfide (metacinnabar) by a chemical reaction, under stoichiometric conditions, between mercury and elemental sulfur; and (b) production of sulfur polymer cement by incorporating the mercury sulfide produced in the previous step into a stable mixture consisting of aggregates, elemental sulfur and sulfur polymer. | 12-20-2012 |
20130005859 | Fiber for Fiber Cement and Resulting Product - A fiber-cement product which includes a treated cellulose wood pulp fiber. The fiber is treated with fibrillated carboxymethyl cellulose or a carboxyethyl cellulose and poly (diallyldimethyl ammonium)chloride. The fiber can be bleached or partially bleached, refined or unrefined or a mixture of refined and unrefined fiber. | 01-03-2013 |
20130005860 | High Curing Inducing Surface Applied Setting Retarder - Exemplary methods and compositions of the invention for retarding the surface of a hydratable cementitious composition comprise the use of a non-bituminous cationic emulsion comprising at least one curing compound comprising an acrylic polymer, a paraffin, or a mixture thereof, to hinder evaporation of water; at least one set retarder; and at least one cationic surfactant. | 01-03-2013 |
20130035422 | Method For Qualitatively And Quantitatively Identifying Bulk Goods - Identification and quantification of mass-produced goods in articles, a dye-containing polymer dispersion having been added to the mass-produced goods. The polymer dispersions contain particles which are coded by a mixture of dyes, and the polymer dispersion particles are quantitatively determined. | 02-07-2013 |
20130150487 | Process for Diminishing the Adsorptive Capacity of Coal Ash - Disclosed is a process for diminishing the adsorption capacity of coal ash comprising inter alia admixing a quantity of coal ash with a quantity of latex polymer, ultimately to form a cementitious mixture. The invention is useful inter alia for relieving an environmental burden of coal ash disposal and for imparting favorable properties to the cementitious mixture. | 06-13-2013 |
20130172449 | Low Carbon Footprint Coating Material for Construction Products - Disclosed is a composition, useful for a coating material, comprising coal ash and latex polymer and optionally a hydraulic binder, a superplasticizer, a rheology modifier, a filler, an aggregate, a foaming agent, a de-foaming agent, an accelerant and/or a retardant. The composition possesses favorable physicochemical properties and a low carbon footprint. | 07-04-2013 |
20130289167 | HYDRAULIC BINDER COMPOSITION - Compositions comprising a hydraulic binder such as cement or gypsum and a hydroxypropyl guar derivative that comprises unsubstituted linear or branched C | 10-31-2013 |
20140080942 | Spall-Resistant Cementitious Material - Disclosed is an essentially shaped cementitious product wherein the direct tensile strength of the product as determined by ASTM C307 is at least 120% of a predicted direct tensile strength of the product per an equation selected from the group consisting of f′dt=0.06*f′c, f′dt=0.07*f′c, f′dt=0.08*f′c and f′dt=0.11*f′c, and wherein the flexural strength of the product as determined by ASTM C348 is at least 150% of a predicted flexural strength of the product per an equation selected from the group consisting of f′r=0.1*f′c, f′r=0.17*f′c, f′r=9.5*((f′c)̂0.5) and f′r=7.5*((f′c)̂0.5). | 03-20-2014 |
20140213699 | SULFUR MODIFIED ASPHALT FOR WARM MIX APPLICATIONS - Disclosed herein are an asphalt concrete mixture, an asphalt binder composition, and methods of preparing the related compositions. The asphalt binder compositions include a polyphosphoric acid, a macromolecular polymer having a saturated backbone with macromolecular modifications, sulfur, and non-surfactant additives based on wax chemistry. The compositions are capable of being performance graded and being used in warm mix asphalt applications. | 07-31-2014 |
20150119501 | System and Method for Pre-Treatment of Rubber-Modified Asphalt Cement, and Emulsions Thereof - This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using asphalt cement emulsions. | 04-30-2015 |
20150141551 | HIGH SOLIDS AND LOW VISCOUS AQUEOUS SLURRIES OF CALCIUM CARBONATE-COMPRISING MATERIALS WITH IMPROVED RHEOLOGICAL STABILITY UNDER INCREASED TEMPERATURE - The present invention concerns aqueous slurries with improved rheo logical stability under increased temperature. The slurries comprise a calcium carbonate containing material and at least one comb polymer. | 05-21-2015 |
20150148455 | DISPERSING POLYMERS WITH IMPROVED THERMAL STABILITY - The invention relates mainly to a polymer comprising a hydrocarbon-based main chain bearing carboxylic groups and polyalkoxylated chains and up to 4% by weight of anti-oxidant groups, relative to the weight of the final polymer, grafted to the main chain. It also relates to a method for preparing such a polymer and to an admixture which is of use as a plasticizer of suspensions of mineral particles comprising same. Finally, it is related to the use of such a polymer for fluidifying suspensions of mineral particles and reducing the water demand of hydraulic compositions. | 05-28-2015 |
20150148456 | METHOD FOR THE PRODUCTION OF SOLID ACCELERATORS FOR CONSTRUCTION MATERIAL MIXTURES - The present invention relates to a process for producing solid compositions comprising calcium silicate hydrate and at least one water-soluble polymer with cationic structural units, uncharged structural units and/or anionic structural units containing sulpho groups, wherein an aqueous suspension of the calcium silicate hydrate is contacted with the polymer and the mixture is dried by a drum drying process. | 05-28-2015 |
20150299039 | Process for Diminishing the Adsorptive Capacity of Coal Ash - Disclosed is a process for diminishing the adsorption capacity of coal ash comprising inter alia admixing a quantity of coal ash with a quantity of latex polymer, ultimately to form a cementitious mixture. The invention is useful inter alia for relieving an environmental burden of coal ash disposal and for imparting favorable properties to the cementitious mixture. | 10-22-2015 |
20150299043 | 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. | 10-22-2015 |
20150315076 | COMPOSITION OF CELLULOSE ETHER AND GLUCONATE SALTS FOR USE IN CEMENT CONTAINING SKIM COATS - This invention provides a composition of cellulose ether and gluconate salts for use in cement containing skim coat, wherein upon application of said composition, said cement containing skim coat has a pot life of no less than 2 hours and setting time no more than 20% longer than if no gluconate salt is added. In particular, said composition comprises, by weight of total solids of said skim coat, 0.2-0.6 wt. % hydroxyethyl methyl cellulose ether and 0.02-0.07 wt. % gluconate salt. | 11-05-2015 |
20150344365 | SELF-HEALING MATERIAL AND PREPARATION PROCESS THEREOF - The present application provides a self-healing material which comprises silica sol as self-healing agent encapsulated by a polymeric shell. The self-healing material may be further embedded in a concrete mixture to heal micro-cracks in concrete. A method for preparing the self-healing material is also provided. | 12-03-2015 |
20160075852 | COMPOSITION FOR USE AS A TWO COMPONENT BACK FILLED GROUT COMPRISING EXTRACTED SILICATE - A multi-component cementitious composition with at least a binder and a hardener component, wherein the binder component includes ground granulated blast furnace slag and water and wherein the hardener component includes a sodium silicate solution containing at least 42 wt.-%, preferably at least 45 wt.-% or sodium silicate (Na | 03-17-2016 |
20160185665 | CRUMB-RUBBER AUGMENTED 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. | 06-30-2016 |
20190144340 | CONSTRUCTION CHEMICAL FORMULATION | 05-16-2019 |