序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 Water-soluble organosiliconate powder US13810676 2011-07-11 US08748645B2 2014-06-10 Daniel Schildbach; Dominik Auer; Karl-Heinz Felix; Michael Stepp
Organosilanolate powders having a low cation to silicon ratio provide superior hydrophobing ability. The powders may be prepared on an industrial scale by hydrolysis of a silane with a basic salt solution, adding an inert organic solvent, and removing gaseous or alcoholic hydrolysis products by evaporation or distillation, precipitating the organosilanolate as a fine powder.
162 ROOF SLOPING COMPOUND US13457424 2012-04-26 US20130289168A1 2013-10-31 Jeffrey D. Zember; Jan C. Bagnall
A roof sloping compound for creating an auxiliary slope over a wide variety of roof membranes and substrates. The compound includes a dry mixture of aggregate, cement and a redispersible dry polymer adapted to be mixed with water to define a substantially self-leveling consistency enabling the compound to be readily screeded into place in a desired thickness. The aggregate comprises dolomite or limestone and the redispersible dry polymer can comprise a binder based on a copolymer of ethylene vinyl acetate. In a lightweight embodiment of the compound, the aggregate includes lightweight fillers comprising perlite and low density glass granules and a superplasticizer is added to the dry mixture to reduce water demand.
163 DIMENSIONALLY STABLE GEOPOLYMER COMPOSITIONS AND METHOD US13841279 2013-03-15 US20130284069A1 2013-10-31 Ashish DUBEY
A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar and repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium aluminate cement, a calcium sulfate and a chemical activator with water
164 Cement accelerator US13580683 2011-03-07 US08545620B2 2013-10-01 Karl Frenkenberger; Stefan Köhler; Thomas Heichele; Klaus-Dieter Hötzl; Patrick Weiss; Alexander Dressen
The invention relates to an inorganic binder system comprising a) calcium silicate cement, b) calcium aluminate cement, c) at least one trifunctional polyalkylene glycol and d) optionally calcium sulphate. Additionally disclosed is the use of at least one polyalkylene glycol as an accelerator for an inorganic binder system comprising a) calcium silicate cement, b) calcium aluminate cement and d) optionally calcium sulphate.
165 PROCESS FOR THE PREPARATION OF CEMENT, MORTARS, CONCRETE COMPOSITIONS CONTAINING A CALCIUM CARBONATE-BASED FILLER (PRE) -TREATED WITH A SUPERPLASTICIZER, COMPOSITIONS AND CEMENT PRODUCTS OBTAINED AND THEIR APPLICATIONS US13813977 2011-08-23 US20130180435A1 2013-07-18 Michael Skovby; Pascal Gonnon
The invention concerns a PROCESS for the preparation of cement/mortar/concrete (for simplicity: “cement”) compositions or systems, (hereafter “cement” compositions or systems for simplicity), of a general known type, in which the filler(s) is/are comprising or consist of “calcium carbonate-based filler(s)”, comprising at least one step where the said filler(s) is/are treated with an efficient treating amount of at least one treating agent consisting of or comprising superplastifier(s). The main purpose of this invention is to build a process aimed at providing improved, “High performance”, FLUID, cement or mortars or concrete systems or compositions having an improved compacity, an improved flowability, and globally speaking a definitely improved “workability”, and “regularity” of the properties of the final systems. The present invention also concerns a filler for “cement” compositions, characterized in that if consists of or comprises, a calcium-carbonate-based filler or blends of same, pre-treated with an “efficient amount” of at least one superplastifier.
166 Process for producing cationically stabilized and water-redispersible polymer powder compositions US12279444 2007-02-08 US08481648B2 2013-07-09 Andrea Schorm; Hans-Peter Weitzel; Stefan Killat; Hermann Lutz
Redispersible polymer powders which are cationically stabilized by spray drying a polymer dispersion with a cationic polymer can be used in higher concentrations in chemical building construction materials without introducing adverse properties.
167 Dispersing agents US10551108 2004-03-04 US08314170B2 2012-11-20 Ulf Dietrich; Anke Reinschmidt
Dispersing agents especially useful as cement plasticizers are copolymers obtained by polymerizing a) 5 to 70 percent by weight of ethylenically unsaturated monocarboxylic acids, carboxylic acid amides, dicarboxylic acids, or their anhydrides and/or (meth)acrylic acid monoesters of dialcohols, b) 1 to 40 percent ethylenically unsaturated, sulfonate-functional or sulfate-functional compounds, c) 10-80 percent of ethylenically unsaturated compounds of polyethylene glycols containing 1 to 300 ethylene oxide units, and terminal OH groups or —OR′ ether groups, d) 5 to 80 percent of ethylenically unsaturated compounds of polyalkylene glycol containing 1 to 300 C3-4 alkylene oxide units and terminal OH groups or —OR′ ether groups, the percentages totaling 100 percent by weight.
168 Inorganic Binder System for the Production of Chemically Resistant Construction Chemistry Products US13510979 2010-09-13 US20120247369A1 2012-10-04 Florian Ellenrieder; Uwe Gehrig; Mathias Degenkolb; Joachim Riedmiller
A novel binder system comprising at least one latent hydraulic binder, at least one amorphous silica, optionally at least one reactive filler and at least one alkali metal silicate is proposed.It was surprisingly found that the binder system according to the invention hardens in the form of a hybrid matrix which is acid-resistant, water-resistant and alkali-resistant.The binder system can be used for the production of a hydraulically setting mortar which, after setting, hardening for seven days and subsequent storage for three days in acid, base and/or water, has compressive strengths of more than 15 N mm−2, preferably more than 20 N mm−2 and in particular more than 25 N mm−2, according to DIN EN 13888.
169 HIGH STRENGTH PHOSPHATE-BASED CEMENT HAVING LOW ALKALINITY US12909483 2010-10-21 US20120100295A1 2012-04-26 Ashish Dubey
A mixture for making a high strength phosphate cement includes monopotassium phosphate, a Group IIA metal oxide in amounts of about 20 to about 100 parts per 100 parts of the monopotassium phosphate and monocalcium orthophosphate in amounts of from about 3 to about 30 parts per 100 parts of the monopotassium phosphate. Products made from the phosphate cement have a pH of less than about 9 and the product develops a compressive strength greater than 2000 psi in 24 hours.
170 Cement based laminated armor panels US12394396 2009-02-27 US08062741B2 2011-11-22 Timothy D. Tonyan; William A. Frank; Ashish Dubey; Cesar Chan; Bartley P. Durst; Pamela G. Kinnebrew; Toney K. Cummins; Nicholas Boone; William F. Heard; Michael J. Roth; James L. Davis
A cementitious panel with ballistic and blast resistant properties having a core layer of ultra-high compressive strength composite and at least one skin layer. The panels can also be used in walls, ceiling and flooring panels which require high compressive strength for resistance to earthquakes and surfaces resistant to surface abuse such as in prison and other institutions. The panel core layer has a continuous cementitious phase resulting from the curing of an aqueous mixture, in the absence of silica flour, of inorganic cement binder, inorganic mineral filler having a particle size of about 150-450 microns, a pozzolanic mineral filler, polycarboxylate based superplasticizer, alkanolamine and acid or alkali metal acid salt; and water. The mixture may be uniformly reinforced with fiber added before curing. The cementitious core layer is then reinforced with the skin, such as fiber reinforced polymer, attached to at least one panel surface.
171 SELF-LEVELLING CONCRETE US13126323 2009-10-26 US20110219987A1 2011-09-15 Thierry Consales; Michel Gaubil
A powder including, in percentages by weight: (a) 94% to 99% of particles of at least one refractory material, the main constituent(s) of which are alumina and/or zirconia and/or silica; (b) 1% to 6% of a hydraulic cement; (c) 0 to 0.03% of organic fibres; (d) optionally, 0.075% to 1% of a surfactant; and (e) optionally, a setting accelerator, where the fraction of particles having a size below 40 μm being distributed, in percentages by weight relative to the weight of the powder, in the following manner: (1) fraction<0.5 μm:≧4%, (2) fraction<2 μm:≧5%, fraction<10 μm:≧16%, and fraction<40 μm:29-45%, where the proportion of zirconia in the fraction of particles having a size smaller than 10 μm, called “fines”, is between 35% and 75% by weight relative to the total weight of said fraction.
172 METHOD FOR PRODUCING POLYCARBOXYLIC ACID COPOLYMER AND COPOLYMER COMPOSITION FOR CEMENT ADMIXTURE US12992502 2009-05-08 US20110065847A1 2011-03-17 Hiroshi Kawabata; Noboru Sakamoto
Provided is a production method for a polycarboxylic acid-based copolymer including a structural unit derived from an unsaturated polyalkylene glycol ether-based monomer and a structural unit derived from an unsaturated carboxylic acid-based monomer, by which the production cost of the copolymer is reduced and an unprecedentedly high-performance cement admixture can be provided. Also provided is a copolymer composition for a cement admixture, including a structural unit derived from an unsaturated polyalkylene glycol ether-based monomer and a structural unit derived from an unsaturated carboxylic acid-based monomer, with which an unprecedentedly high-performance cement admixture can be provided. The production method for a polycarboxylic acid-based copolymer of the present invention is a production method for a polycarboxylic acid-based copolymer including a structural unit (I) derived from an unsaturated polyalkylene glycol ether-based monomer (a) and a structural unit (II) derived from an unsaturated carboxylic acid-based monomer (b), in which monomer components including the monomer (a) and the monomer (b) are polymerized using a peroxide and a reductant as polymerization initiators in combination while the pH during polymerization is controlled to 3 or less in the presence of a pH adjustor. The copolymer composition for a cement admixture of the present invention includes a polycarboxylic acid-based copolymer including a structural unit (I) derived from an unsaturated polyalkylene glycol ether-based monomer (a) and a structural unit (II) derived from an unsaturated carboxylic acid-based monomer (b), and a nonpolymerizable organic sulfonic acid having a molecular weight of 300 or less and/or a salt thereof.
173 CEMENT COMPOSITION FOR SELF-LEVELLING CONCRETE AND SELF-LEVELLING CONCRETE CONTAINING SUCH COMPOSITION US12671073 2008-07-28 US20100229761A1 2010-09-16 Faber Fabbris
A cement composition for a self-levelling concrete, includes a mixture of rheology-modifying additives, the combination of at least a first agent for substantially increasing the shear threshold of the concrete in the fluid state, selected from a natural polysaccharide ether, a hydroxyalkyl guar ether, a hydroxyethylcellulose or a hydroxypropyl guar, which are hydrophobically modified with the introduction of hydrophobic side grafts, and at least a second viscosity-increasing agent for substantially increasing the viscosity of the concrete in the fluid state, selected from a non-hydrophobically-modified hydroxyalkylcellulose having a degree of polymerization between approximately 500 and approximately 4500 and a viscosity of less than 50 PA·s in aqueous solution at 2 wt.-% and a poly (ethylene oxide), in order to limit or prevent the dynamic segregation of granulates in the concrete during the implementation thereof. The use of such a composition can replace the presence of a filler in the concrete, in particular a self-levelling concrete, without diminishing the performance concerning the spreading thereof, the sieve stability, the bleeding and the dynamic segregation relative to a concrete containing a filler, in particular a concrete having the same water/cement ratio.
174 PRODUCTION OF SOLID MATERIALS BASED ON HYDRAULICALLY SETTING COATING AGENTS US12600337 2008-05-15 US20100159147A1 2010-06-24 Klaus Bonin
The invention relates to a method for producing solid materials having an air content of ≦16 vol. % in relation to the total volume of solid materials, characterised in that hydraulically setting coating agents containing at least one cationic protective colloid are applied to an undersurface by means of mechanical methods using compressed air with air quantity factors of up to 100 or by manual methods.
175 Gypsum-based floor underlayment US12100507 2008-04-10 US07651564B2 2010-01-26 Hubert C. Francis
A flooring composition for mixing with water to produce a self-leveling slurry that quickly hydrates to form a high strength floor underlayment comprising a dry mixture of (1) beta gypsum produced by a continuous method; (2) Class C fly ash; (3) a conventional water reducing aid such as sulfonated melamines, sulfonated naphthalenes and their related formaldehyde condensates, and (4) a conventional set retarder.
176 Ultrahigh-performance, self-compacting concrete, preparation method thereof and use of same US10589138 2005-02-11 US07641731B2 2010-01-05 Sandrine Chanut; Thierry Thibaux
The invention relates to an ultra-high-performance, self-compacting light-colored concrete comprising: a cement; a mixture of calcined bauxite sands of different grain sizes, the finest sand having an average grain size of less than 1 mm and the thickest sand having an average grain size of less than 10 mm; optionally silica fume, whereby 90% of the particles thereof have a size of less than 1 ?m and the average diameter is approximately 0.5 ?m, said silica fume representing at most 15 parts by weight per 100 parts of cement; an antifoaming agent; water-reducing superplasticiser; optionally fibers; and water. The inventive concrete also comprises: ultrafine calcium carbonate particles having a specific surface area that is equal to or greater than 10 m2/g and a form factor (IF) that is equal to or greater than 0.3 and, preferably, equal to or greater than 0.4. The grain size distribution of the cements, sands, ultrafine calcium carbonate particles and silica fume is such that at least three, and at most five, different grain size ranges are present, the ratio between the average diameter of one grain size range and that of the range immediately above is approximately 10. The invention also relates to the method of preparing one such concrete and to the uses thereof.
177 FLY ASH-BASED FLOOR PATCHING COMPOSITION US12133868 2008-06-05 US20090306251A1 2009-12-10 Hubert C. Francis
A floor patching composition for mixing with water to produce a self-leveling slurry that quickly hydrates to form an acceptable patch comprising a dry mixture of (1) Class C fly ash, (2) a calcium aluminate cement, (3) an organic binder along with (4) a cellulose ether, in part to facilitate mixing of the dry ingredients and preferably (5) an antimicrobial preservative and (6) metakaolin clay.
178 GYPSUM-BASED FLOOR UNDERLAYMENT US12100507 2008-04-10 US20090255443A1 2009-10-15 Hubert C. Francis
A flooring composition for mixing with water to produce a self-leveling slurry that quickly hydrates to form a high strength floor underlayment comprising a dry mixture of (1) beta gypsum produced by a continuous method; (2) Class C fly ash; (3) a conventional water reducing aid such as sulfonated melamines, sulfonated naphthalenes and their related formaldehyde condensates, and (4) a conventional set retarder.
179 Additive composition for mortars, cements and joint compounds and cementitious compositions made therefrom US12313977 2008-11-26 US20090186963A1 2009-07-23 Eduardo Romero-Nochebuena; Jose A. Briones; Mark G. Cupta; Philip J. Brondsema
An additive composition for mortars, exterior insulation finish systems, self-leveling compounds and joint compounds is disclosed. The additive composition contains a nitrogen-containing polymer and a reactive agent capable of forming a crosslinking reaction with the nitrogen-containing polymer. Small amounts of the additive composition contained in a product cannot only increase one or more properties of the product but can also minimize the use of redispersible polymers in the product.
180 Iron Filled Urethane Cementitious Flooring Composition US12328194 2008-12-04 US20090149574A1 2009-06-11 Rodrigo E. Sanchez
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.
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