Abstract: A composition based on lime comprising at least one mineral agent consisting of slaked lime in the solid phase and of an organic polymer incorporated into said solid phase, a method for its making and the use for its application in the treatment of water and sludge, in particular for conditioning sludge before dewatering.

Abstract: The present subject matter relates to a one-component, silane-modified water-, solvent- and plasticizer-free parquet adhesive and also to the use thereof for gluing parquet, wooden floor coverings and wood-based material boards to all sub-floors which are used in interior fitment, even those which are problematic.

Abstract: 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.

Abstract: The present invention relates to cement compositions and their use in cementing operations. The cements comprise an aluminosilicate; a sodium aluminate, a calcium aluminate, a potassium aluminate, or a combination thereof; and water. In some cases the cement does not include Portland cement. The cement may be used in a subterranean formation having corrosive components therein, wherein the set cement sheath is resistant to degradation from the corrosive components within the subterranean formation.

Abstract: A reinforced composite material based on aluminous cement and tabular alumina or corundum, reinforced with glass-fibres, method of preparing the same, its use for preparing manufactured products, as well as manufactured products formed in this way and their use.

Abstract: A sealant composition may include a fly ash, hydrated lime, and at least one filler material selected from the group consisting of sand, barite, calcium carbonate, ground marble, iron oxide, manganese oxide, glass beads, crushed glass, crushed drill cuttings, ground vehicle tire, crushed rock, ground asphalt, crushed concrete, crushed cement, salt, ilmenite, hematite, silica flour, diatomaceous earth, a highly swellable clay miner, and any derivative thereof, and wherein the fly ash and hydrated lime together are present in an amount from about 0.25% to about 30% by weight of the sealant composition.

Abstract: The invention relates to polymers that can be obtained by polymerizing the monomers (A), (B), and (D), and optionally (C), where (A) is a monomer of formula (I), wherein A stands for C2 to C4 alkylene, B stands for a C2 to C4 alkylene different from A, R stands for hydrogen or methyl, m stands for a number from 1 to 500, n stands for a number from 1 to 500, (B) is an ethylenically unsaturated monomer that contains at least one carboxylic acid function, (C) is optionally a further ethylenically unsaturated monomer different from (A) and (B), (D) is a monomer of formula (II), wherein D stands for C2 to C4 alkylene, E stands for a C2 to C4 alkylene group different from D, F stands for a C2 to C4 alkylene group different from E, R stands for hydrogen or methyl, o stands for a number from 1 to 500, p stands for a number from 1 to 500, q stands for a number from 1 to 500, and wherein the weight fraction of the monomers is 35 to 99% for the macromonomer (A), 0.

Abstract: 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.

Abstract: 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.

Abstract: PVC compositions, concrete composition including the PVC compositions, and reinforced concrete structures that contain the concrete compositions are described. Methods for manufacturing the reinforced concrete structures of the present technology, methods for repairing reinforced concrete structures having corroded rebar, and methods for reducing rebar corrosion in reinforced concrete structures are also described.

Abstract: Silicone resin emulsions especially suitable for hydrophobing gypsum compositions together with H-siloxanes are prepared by hydrolysis and subsequent distillation to an alcohol content of less than 0.1 weight percent. Use of the emulsion with H-siloxanes provides plaster products such as plasterboard of increased hydrophobicity.

Abstract: Hydrophobically associating nanocomposites which contain a silica, a hydrophobically modified monomer and a hydrophilic monomer. The silica constituent comprises an aqueous colloidal solution of amorphous silicon dioxide (SiO2), from 0.1 to 10% by weight of the hydrophobically modified monomer and from 10% by weight to 99.9% by weight of the hydrophilic monomer. The preparation of nanocomposites is effected by a free radical polymerization as gel polymerization in the aqueous phase. These nanocomposites have a substantially improved action as water retention agents and rheology modifiers in aqueous construction material systems and have improved properties compared with currently used products.

Abstract: 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 by reaction of a calcium compound with a silicon dioxide containing component under alkaline conditions, in both cases the reaction being carried out in the presence of a polycondensate containing at least one structural unit consisting of an aromatic or heteroaromatic moiety bearing a polyether side chain and at least one structural unit consisting of an aromatic or heteroaromatic moiety bearing at least one phosphoric acid ester group and/or its salt. The invention concerns a composition of calcium silicate hydrate and the polycondensate, its use as hardening accelerator and for the reduction of the permeability of hardened compositions.

Abstract: A cementitious composition containing hydraulic cement, water, and a hyper-branched polyether surfactant. An aqueous admixture composition for cementitious compositions including a hyper-branched polyether surfactant, optionally a dispersant, optionally an additional surfactant or defoamer, and optionally a stabilizing agent. A method of making a cementitious composition including mixing cementitious material, water, a hyper-branched polyether surfactant, optionally a dispersant for cementitious compositions, optionally an additional surfactant or defoamer, and optionally a stabilizing agent.

Abstract: The invention relates to a polycondensation product based on aromatics and/or heteroaromatics and aldehydes, said polycondensate containing at least one structural unit (I) having a polyisobutylene side chain and an aromatic or heteroaromatic and at least one structural unit (II) having an ionizable functional group and an aromatic or heteroaromatic, structural unit (I) not being the same as structural unit (II) and the aldehyde used having no acid or ester functions. A process for the preparation and the use as an additive for hydraulic binders are disclosed.

Abstract: The present invention relates to a composition for producing lime sand brick comprising lime, sand, water and at least one plasticizer, in particular a comb polymer KP having side chains bound to the main chain via ester or ether groups. The invention further relates to a method for producing lime sand brick.

Abstract: 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.

Abstract: To provide a polyalkylene glycol chain-containing thiol polymer which is excellent in various performances, particularly significantly excellent in cement dispersibility, and useful in various applications such as an admixture for cement; a thiol-modified monomer or a mixture thereof, which can produce such a polymer; production methods of the polymer and the monomer; and a dispersant and an admixture for cement, each including the polymer. The polyalkylene glycol chain-containing thiol polymer of the present invention is a polyalkylene glycol chain-containing thiol polymer, wherein the polymer comprises a polyalkylene glycol chain and a polymer segment bonded to at least one end of the polyalkylene glycol chain with a sulfur atom-containing group therebetween, the polymer segment includes a constitutional unit derived from an unsaturated monomer component, and the unsaturated monomer component includes an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer.

Abstract: A method of manufacturing a water-resistant gypsum article, comprising sonicating a water-resistance additive in water to form a emulsion; combining the emulsion, calcined gypsum, and gauging water to form a slurry; and forming and setting the slurry to form the water-resistant gypsum article.

Abstract: The present invention relates to a dispersant for a hydraulic composition, containing a polymer obtained by copolymerizing a specific monomer 1 such as an ethylenically unsaturated carboxylic acid derivative having a polyoxyalkylene group, a monoester phosphate-based monomer 2, a diester phosphate-based monomer 3, and an unsaturated carboxylic acid-based monomer 4, at pH 7 or less.

Abstract: The invention relates to a polymer composition containing 3 to 95% by weight of a copolymer H and 3 to 95% by weight of a copolymer K, the copolymers H and K each having polyether macromonomer structural units and acid monomer structural units, which are present in the copolymers H and K in each case in a molar ratio of 1:20 to 1:1, and at least 20 mol % of all structural units of the copolymer H and at least 25 mol % of all structural units of the copolymer K being present in each case in the form of acid monomer structural units, the polyether macromonomer structural units of the copolymers H and K having side chains containing in each case at least 5 ether oxygen atoms, the number of ether oxygen atoms per side chain of the polyether macromonomer structural units of the copolymers H and K varying in each case in such a way that the corresponding frequency distribution diagrams, in which the number of ether oxygen atoms per side chain of a polyether macromonomer structural unit is plotted in each case along

Abstract: A method includes using copolymers including at least polyoxyalkylenated monomer units and at least phosphorus-comprising monomer units as water-reducing agent in hydraulic binders.

Abstract: A process for preparing stable aqueous dispersions of composite particles.

Abstract: A calcium sulfoaluminate-based concrete with a permeability of less than 1000 Coulombs. Rapid-setting low chloride-ion permeability calcium sulfoaluminate (CSA) cements and concretes include CSA and a suitable polymer such as a sol-gel derived, organic-inorganic, silica based hybrid coating solutions of polystyrene-butylacrylate polymers containing active silanol groups protected by hydroxyl groups containing polyalcohol, or other polymers. Such polymers may be added as powders or as liquid in the finish mill. Other rapid-setting low chloride-ion permeability (CSA) cements and concretes include CSA with selected particle size distributions, and do not require use of any polymer. These CSA cements and concretes have low chloride-ion permeability, high early strength, fast setting times, low-shrinkage, and high freeze-thaw resistance.

Abstract: The invention relates to a process for the preparation of a phosphated polycondensate, at least one sulphonic acid being used as catalyst, and to the use of the phosphated polycondensate obtained as an admixture for aqueous suspensions of hydraulic and/or latently hydraulic binders.

Abstract: A dental filler and dental resin restorative composition containing the dental filler is provided. The dental filler is prepared by pre-treating an acid-reactive filler with a polymerizable monomer or oligomer pre-treatment chemical having at least one acid or acid-precursor functional group, at least one polymerizable unsaturated carbon-carbon bond, and a molecular weight of about 1,000 grams per mole or less.

Abstract: The invention concerns the polymers obtained by the use of sulfur compounds in a process for controlled radical polymerization in water of acrylic acid and/or acrylic acid with hydrosoluble monomers. It concerns also their uses as dispersant agents or agents to aid grinding and/or co-grinding of mineral matters in aqueous suspensions, and as dispersant agents incorporated directly in aqueous formulations containing mineral matters. Finally, the invention concerns the formulations of mineral matters obtained in this manner.

Abstract: Use of a non-ionic surfactant in the preparation of modified sulfur and/or modified sulfur cement that may or may not be modified sulfur concrete.

Abstract: A chemical two-component mortar compound including a resin component (A) that contains at least one radically curable, ethylenically unsaturated compound (a) as the curable component, and including a separately arranged so as to inhibit reaction curing component (B) that contains a curing agent for the resin of the resin component (A), with improved adhesion to the surface of partially cleaned and/or moist holes in mineral substrates, characterized by a content of 0.

Abstract: Disclosed are a mortar for concrete mainly consisting of urethane foam and a method for manufacturing the same, in which urethane foam and Styrofoam used as insulating materials for household electronic appliances and a pre-cast panel are not discarded, but recycled such that the urethane foam and the Styrofoam are mixed with concrete in the construction of flooring of apartments or an ondol of houses. Low weight structure, superior sound-absorption effect and heat insulation effect can be obtained, and cracks are prevented from being generated in the constructed part. Construction work is simplified, and economical efficiency is enhanced. Collected waste urethane foam and waste Styrofoam are pulverized into a size of 1 to 10 mm using a pulverizer. The pulverized urethane foam and Styrofoam are mixed to each other to form urethane foam.

Abstract: A polymer composition comprising a) a polysaccharide derivative, b) a siloxane, and c) an anti-foaming agent different from a siloxane is useful for modifying the rheology of a cement slurry.

Abstract: The invention relates to silane modified additives obtained by condensation of one or a plurality of silanes of the general formula (RO)3-nR1nSi(R2X)(1), wherein R is an optionally substituted alkyle, aryle or alkoxyalkyl radical with 1 to 10 carbon atoms or hydrogen, R1 an optionally substituted hydrocarbon radical with 1 to 12 carbon atoms or hydrogen, R2 an optionally substituted alkylene radical with 1 to 20 carbon atoms, wherein methylene units that are not adjacent to one another can be substituted by groups —O—, and X is bound to R2 via a covalent bond and stands for an amino radical NHR3, an epoxy radical CR4(O)CR5R6, an urethane radical NR3—C(?O)OR3, an urea radical NR3—C(?O)NR3R4, a phosphorous acid radical P(?O)(OH)2, an anhydride radical C(?O)O(O?)CR3 or a carbon acid radical, wherein R3 is hydrogen or an optionally substituted alkyle, aryle or amino alkyle radical with 1 to 10 carbon atoms, R4, R5, R6 hydrogen or an optionally substituted alkyle or aryle radical with 1 to 10 carbon atoms, wherein

Abstract: The invention relates to the use, as a dispersant and/or a grinding aid agent for pigments and/or mineral fillers in aqueous suspension, of a water soluble polymer with a controlled structure obtained by a controlled free radical polymerization process putting into practice a particular alkoxyamine as a polymerization initiator.

Abstract: A method of using an admixture in hydraulic binders, in particular in plaster-based or anhydrous calcium sulphate-based compounds, the admixture being an acrylic polymer with controlled end chains.

Abstract: Disclosed is a polycondensation product that is a reaction product of A) an aromatic or heteroaromatic compound containing 5 to 10 C atoms or heteroatoms and is provided with an average of 1 to 300 oxyethylene groups and/or oxypropylene groups per molecule which are linked to the aromatic or heteroaromatic compound via an O atom or N atoms, and B) an aromatic compound and C) an aldehyde selected among the group of formaldehyde, glyoxylic acid, and benzaldehyde or mixtures thereof. Surprisingly, the inventive polycondensation product causes very good liquefaction of hydraulic binding agents, eg. Cement, resulting in substantially improved liquefaction of the construction material at a lower dose while pourability can be maintained over a longer period of time as opposed to naphthalene sulfonates or melamine sulfonates.

Abstract: A panel is provided that includes stucco, water and a dispersant component having dispersing properties and comprising a comb-branched polymer with polyether side chains, naphthalene sulfonate-formaldehyde condensate or melamine sulfonate-formaldehyde condensate. A polycondensation component is also included in the slurry that includes three repeating units. A method of making the gypsum panel includes combining stucco, water and a first dosage of a first dispersant to form a slurry, the first. A second dosage of a second dispersant is added to the slurry. Properties of the gypsum slurry are tested and it is formed into a product. The product sets and properties of the product are identified. The first dosage or the second dosage is changed based on the properties of the slurry or product.

Abstract: This invention relates to a composition suitable for use in making moisture resistant gypsum products. In particular, this invention relates to resin dispersions and their use in combination with gypsum to form moisture resistant gypsum compositions which are settable by hydration. Further, the invention relates to moisture resistant products formed from such settable gypsum compositions, e.g. panels and boards, and a method for the manufacture of such moisture resistant gypsum products.

Abstract: This invention relates to an early strengthening agent for a hydraulic composition, which contains a compound (A) selected from a specific glycol ether-based compound and a specific glycerin derivate-based compound, as well as an additive composition for a hydraulic composition, which contains the early strengthening agent and a specific phosphate polymer (B).

Abstract: A composition based on lime comprising at least one mineral agent consisting of slaked lime in the solid phase and of an organic polymer incorporated into said solid phase, a method for its making and the use for its application in the treatment of water and sludge, in particular for conditioning sludge before dewatering.

Abstract: A copolymer containing, as monomer components, a) at least one sulfonic acid-containing compound, b) at least one nitrogen-containing N-vinylamide, one acrylamide or methacrylamide and c) at least one bifunctional or higher-functional vinyl ether is proposed. These copolymers are suitable in particular as thixotropic agents, antisegregation agents and water retention agents and overall as an additive in cement-containing but also gypsum-based systems. Such copolymers having a molecular weight of >40 000 g/mol can be used in particular as admixtures in the exploration of mineral oil and natural gas deposits.

Abstract: A fluid loss additive for hydraulic cement, comprising a polyvinyl alcohol resin and a fluid loss ameliorating sulfonic acid-functionalized co-resin, where the polyvinyl alcohol has a characteristic viscosity in the range of about 1 to about 25 cps. The invention includes, in some embodiments, an aqueous concentrate of the PVOH resin and the sulfonic acid-functionalized co-resin, where the total resin content is in the range of about 10% to about 40% and the viscosity is less than 15,000 cps. By way of the invention it is possible to adjust hydraulic cement slurry characteristics in real time upon demand and reduce inventory by providing a concentrated aqueous fluid loss additive.

Abstract: A first object of the invention is a process for thickening of an aqueous composition, through the introduction into the said composition for thickening of at least one polymer, characterised in that the said polymer contains at least one anionic monomer, which is an organophosphate monomer. A second object of the invention consists of the aqueous compositions thus thickened, and containing the said polymers.

Abstract: A gypsum slurry includes calcium sulfate hemihydrate, a set retarder in amounts of at least 0.15 lb/MSF, a set accelerator, water and aqueous foam. The set accelerator is selected to provide nucleation sites for crystallization of calcium sulfate dihydrate and is present in amounts of at least 5 Ib/MSF. The water to calcium sulfate hemihydrate ratio is at least 0.95. Further, aqueous foam is added in amounts sufficient to create a gypsum board having a dry density of about 29 to about 35 lbs/ft3.

Abstract: Additives for application in construction chemistry are proposed comprising an organic and/or inorganic core component A) with rheology-enhancing properties and a shell component B) applied to the same by virtue of physical and/or chemical interactions which acts as a coating. Component A) should be a of water-soluble and/or water-swellable and/or water-absorbable compound of the non-cellulose type with viscosity-enhancing properties in the final application. The shell component B) should preferably be a film-forming polymer which is able to release component A) during the application in construction chemistry in a retarded manner such as for example polyvinyl alcohol, polyvinyl acetate and polyethylene glycol. Component B) can be composed of several layers and comprises at least one reactive layer.

Abstract: Provided herein are mixtures, emulsions and other additives for use in manufacturing gypsum wallboard. The mixtures and emulsions may be wax-based emulsions or wax-free mixtures or emulsions, with wax-based emulsions including water; at least one wax, a dispersant which may include sulfur or a sulfur-containing group, and a particular wetting agent or surfactant. Mixtures may also be prepared including water, a dispersant, and a particular wetting agent or surfactant. Gypsum slurries may be prepared using such emulsions and mixtures.

Abstract: The present invention relates to a dispersant for a hydraulic composition, containing a polymer obtained by copolymerizing a specific monomer 1 such as an ethylenically unsaturated carboxylic acid derivative having a polyoxyalkylene group, a monoester phosphate-based monomer 2, a diester phosphate-based monomer 3, and an unsaturated carboxylic acid-based monomer 4, at pH 7 or less.

Abstract: The present invention defines and illustrates a method for extending the life of road, bridge, parking and aviation pavement. The material is combination of: A—a latex polymer emulsion; B—a dry blend to Type 1 Portland cement and specially sieved washed mason sand; C—a special non-skid aggregate; and water. This composite formula offers pavement resistance to destructive environmental conditions; enhanced pavement skid resistance, and provides a rapid service turn-around. The method is a combination of three variables: a) extensive surface preparation and repair techniques for different pavement types, b) high-capacity bulk mixing system and placement machine; and c) a blended polymer modified cement material composition for repair and resurfacing of a variety of transportation pavement types.

Abstract: To provide a polyalkylene glycol chain-containing thiol polymer which is excellent in various performances, particularly significantly excellent in cement dispersibility, and useful in various applications such as an admixture for cement; a thiol-modified monomer or a mixture thereof, which can produce such a polymer; production methods of the polymer and the monomer; and a dispersant and an admixture for cement, each including the polymer. The polyalkylene glycol chain-containing thiol polymer of the present invention is a polyalkylene glycol chain-containing thiol polymer, wherein the polymer comprises a polyalkylene glycol chain and a polymer segment bonded to at least one end of the polyalkylene glycol chain with a sulfur atom-containing group therebetween, the polymer segment includes a constitutional unit derived from an unsaturated monomer component, and the unsaturated monomer component includes an unsaturated carboxylic acid monomer and an unsaturated polyalkylene glycol monomer.

Abstract: The invention concerns a method for enhancing water-repellency repellency treatment of mineral hydraulic binder compositions and compositions obtainable by said method and their uses in the building sector, said method comprising the step of adding a sufficient amount of at least one monovalent cation salt of a carboxylic acid to said composition.

Abstract: A multi part hydrosilylation curable silicone elastomer composition comprising (i) an organopolysiloxane comprising at least two unsaturated groups and having a viscosity of at least 1,000 mPas at 25° C.; (ii) inorganic filler having a hydrophilic surface; (iii) a filler treating agent comprising an organopolysiloxane comprising at least 2 hydroxy or otherwise hydrolysable groups, or a mixture thereof and having an average degree of polymerisation of from 2 to 50; (iv) an organohydrogensiloxane having an average of greater than two silicon bonded hydrogen atoms per molecule having a viscosity of up to about 10 PaS at 25° C.; (v) a hydrosilylation catalyst; and/or a treated filler obtained by the reaction of (ii) and (iii) above characterised in that the filler treating agent (iii) and/or treated filler is packaged separately from organohydrogensiloxane (iv) prior to curing.