| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | GEOPOLYMERS AND GEOPOLYMER AGGREGATES | US15326548 | 2015-08-13 | US20170204008A1 | 2017-07-20 | Nicholas John Willis |
| The invention relates to geopolymer compositions, geopolymers and methods for their production and use. The geopolymers may be used as aggregates, and those aggregates may be used in concrete manufacture. The geopolymer composition comprises fly ash or a fly ash substitute, an aluminium phyllosilicate, an alkaline component and water, wherein the water is present at an amount of about 6% to about 10% by weight of the composition. The geopolymers are made by forming a geopolymer composition as described above, compacting the mixture by applying pressure of about 50 to about 90 kg/cm2, and curing the compacted mixture to form the geopolymer. | ||||||
| 182 | CEMENT COMPOUND AND A METHOD FOR THE PRODUCTION THEREOF | US15316612 | 2015-06-05 | US20170174572A1 | 2017-06-22 | Anja BUCHWALD; Johannes Albertus Louis Marie WIERCX; Bart Johannes Wilhelmus Maria VAN MELICK |
| The present invention relates to a cement compound. The invention also relates to a method for producing such a cement compound. More in particular, the present invention relates to a cement compound comprising at least a reactive glass compound, an alkaline activator and a filler, and optionally additives, said reactive glass compound comprising at least 35 wt % CaO, at least 25 wt % SiO2 and at least 10 wt % Al2O3, and optionally other oxides. | ||||||
| 183 | FREEZE-THAW DURABLE GEOPOLYMER COMPOSITIONS AND METHODS FOR MAKING SAME | US15436360 | 2017-02-17 | US20170166481A1 | 2017-06-15 | Ashish DUBEY; Sundararaman CHITHIRAPUTHIRAN |
| A freeze-thaw durable, dimensionally stable, geopolymer composition including: cementitious reactive powder including thermally activated aluminosilicate mineral, aluminate cement preferably selected from at least one of calcium sulfoaluminate cement and calcium aluminate cement, and calcium sulfate selected from at least one of calcium sulfate dihydrate, calcium sulfate hemihydrate, and anhydrous calcium sulfate; alkali metal chemical activator; and a freeze-thaw durability component selected from at least one of air-entraining agent, defoaming agent, and surface active organic polymer; wherein the composition has an air content of about 4% to 20% by volume, more preferably about 4% to 12% by volume, and most preferably about 4% to 8% by volume. The compositions are made from a slurry wherein the water/cementitious reactive powder weight ratio is 0.14 to 0.45:1, preferably 0.16 to 0.35:1, and more preferably 0.18 to 0.25:1. Methods for making the compositions are also disclosed. | ||||||
| 184 | BINDER AND PROCESS FOR THE ADDITIVE PRODUCTION OF MANUFACTURED ITEMS | US15347826 | 2016-11-10 | US20170129134A1 | 2017-05-11 | Paolo COLOMBO; Alberto CONTE; Anna DE MARZI; Paolo SCANFERLA; Antonino ITALIANO |
| Binder for the additive production of manufactured items, in particular made of conglomerate, adapted to be distributed on a layer of inert granular material in order to form a rigid matrix incorporating the granules of the inert granular material. The binder according to the invention is a substantially inorganic binder with geopolymer base. Another object of the invention is a process for the additive production of manufactured items by means of the use of the aforesaid binder and the use of geopolymers as binders in the additive production of manufactured items. | ||||||
| 185 | Freeze-thaw durable geopolymer compositions and methods for making same | US14920022 | 2015-10-22 | US09624131B1 | 2017-04-18 | Ashish Dubey; Sundararaman Chithiraputhiran |
| A freeze-thaw durable, dimensionally stable, geopolymer composition including: cementitious reactive powder including thermally activated aluminosilicate mineral, aluminate cement preferably selected from at least one of calcium sulfoaluminate cement and calcium aluminate cement, and calcium sulfate selected from at least one of calcium sulfate dihydrate, calcium sulfate hemihydrate, and anhydrous calcium sulfate; alkali metal chemical activator; and a freeze-thaw durability component selected from at least one of air-entraining agent, defoaming agent, and surface active organic polymer; wherein the composition has an air content of about 4% to 20% by volume, more preferably about 4% to 12% by volume, and most preferably about 4% to 8% by volume. The compositions are made from a slurry wherein the water/cementitious reactive powder weight ratio is 0.14 to 0.45:1, preferably 0.16 to 0.35:1, and more preferably 0.18 to 0.25:1. Methods for making the compositions are also disclosed. | ||||||
| 186 | Reduction and harmless method for recycling heavy metal waste | US14419255 | 2014-03-13 | US09499440B2 | 2016-11-22 | De an Pan; Shen gen Zhang; Ling jie Li; Bin Guo; Bo Liu |
| An amount-reduction, harmless, disposal method for heavy metal waste gypsum (HMWG), which belongs to the technical fields of recycling economy and environmental protection. The HMWG used as raw material is subjected to processes of smelting fluxpreparation, lead smelting, fuming, and geopolymeric gelling, to realize amount-reduction, harmless and resources recycling utilization of heavy metal waste gypsum. The smoke containing sulfur dioxide produced in the smelting process is sent to the acid making system, and the produced dust with heavy metal is sent to the dedicated system for heavy mental disposing. The smoke dust produced in the fuming process is returned to the lead smelting system. The secondary HMWG produced in the acid making system would be returned to the preparation process of smelting flux. And the final products would be sulfuric acid and geopolymer material. | ||||||
| 187 | A reduction and harmless method for recycling heavy metal waste | US14419255 | 2014-03-13 | US20160257617A1 | 2016-09-08 | De an Pan; Shen gen ZHANG; Ling jie LI; Bin GUO; Bo LIU |
| An amount-reduction, harmless, disposal method for heavy metal waste gypsum (HMWG), which belongs to the technical fields of recycling economy and environmental protection. The HMWG used as raw material is subjected to processes of smelting fluxpreparation, lead smelting, fuming, and geopolymeric gelling, to realize amount-reduction, harmless and resources recycling utilization of heavy metal waste gypsum. The smoke containing sulfur dioxide produced in the smelting process is sent to the acid making system, and the produced dust with heavy metal is sent to the dedicated system for heavy mental disposing. The smoke dust produced in the fuming process is returned to the lead smelting system. The secondary HMWG produced in the acid making system would be returned to the preparation process of smelting flux. And the final products would be sulfuric acid and geopolymer material. | ||||||
| 188 | Geopolymer additives and methods of use for treatment of fluid fine tailings | US13554079 | 2012-07-20 | US09327326B2 | 2016-05-03 | Gholemhossein (Shahrad) Karimi; Darren MacDonald |
| Select geopolymers are mixed, at high shear, with fluid fine tailings from an oil sand operation to increase the yield strength of deposits of the geopolymer-treated fluid fine tailings stream and to enhance the dewaterability of the deposits for meeting the regulated, minimum undrained shear strength of 5 kilopascals (kPa) in the fluid fine tailings deposited in the previous year. | ||||||
| 189 | Dimensionally stable geopolymer compositions and method | US13841279 | 2013-03-15 | US09321681B2 | 2016-04-26 | 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. | ||||||
| 190 | GEOPOLYMER-BINDER SYSTEM FOR FIRE CONCRETES, DRY FIRE CONCRETE MIX CONTAINING THE BINDER SYSTEM AND ALSO THE USE OF THE MIX | US14765376 | 2014-01-29 | US20150376060A1 | 2015-12-31 | Jennifer WERZ; Bertram KESSELHEIM; Darina RUDERT; Kai BEIMDIEK |
| An alkaline-activated binder system for fire concretes includes at least one mineral binder and a mineral activator which, in a mixture with water, form a curing geopolymer, where a combination of at least two magnesium components (Mg components) which give an alkaline reaction with water and react with the binder at different times to form a geopolymer is present as activator, where the magnesium components have a different reactivity in respect of atmospheric moisture and/or in respect of the binder. A dry fire concrete mix contains the binder system and the mix may be used in, for example, facilities in the steel industry. | ||||||
| 191 | Epoxy-multilayer polymer RDP geopolymer compositions and methods of making and using the same | US14459364 | 2014-08-14 | US09096469B2 | 2015-08-04 | Liang Chen; Chan Han; Dongkyu Kim; Michael J. Radler |
| The present invention provides a two component geopolymer composition of wherein one component comprises a dry mix of an aluminosilicate, such as flyash, geopolymer precursor and one or more epoxy multilayer polymer particle redispersible polymer powder (RDP) having an epoxy resin core and an alkali soluble polymer shell, the epoxy resin having a calculated glass transition temperature (Tg) of from 7 to 45° C., and, wherein the other component, comprises one or more alkaline silicate geopolymer precursor, preferably in the form of an aqueous solution. The two-component compositions having from 1 to 20 wt. % of the RDP, based on solids, and provide greater formulation flexibility to make geopolymer compositions having improved tensile strength. | ||||||
| 192 | EPOXY-MULTILAYER POLYMER RDP GEOPOLYMER COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME | US14459364 | 2014-08-14 | US20150051312A1 | 2015-02-19 | Liang Chen; Chan Han; Dongkyu Kim; Michael J. Radler |
| The present invention provides a two component geopolymer composition of wherein one component comprises a dry mix of an aluminosilicate, such as flyash, geopolymer precursor and one or more epoxy multilayer polymer particle redispersible polymer powder (RDP) having an epoxy resin core and an alkali soluble polymer shell, the epoxy resin having a calculated glass transition temperature (Tg) of from 7 to 45° C., and, wherein the other component, comprises one or more alkaline silicate geopolymer precursor, preferably in the form of an aqueous solution. The two-component compositions having from 1 to 20 wt. % of the RDP, based on solids, and provide greater formulation flexibility to make geopolymer compositions having improved tensile strength. | ||||||
| 193 | Reduction of carbon dioxide in the manufacturing of composite construction materials | US13118624 | 2011-05-31 | US08580029B2 | 2013-11-12 | Mohd Mustafa Albakri Abdullah; Mohammed A Binhussain; Kamarudin Hussin; Mohd Ruzaidi Ghazali; Norazian Mohammed Noor; Mohammad Tamizi Selimin |
| Disclosed are a system, a method and/or composition of reduction of carbon dioxide in the manufacturing of cement and concrete. In one embodiment, a method of producing a concrete, includes preparing a dried powder mixture of an alkali hydroxide, a sodium silicate, clay and a pozzolanic material. The dried powder with water may be reacted to form a cement paste. In addition, the cement paste may be mixed with at one of sand, an aggregate, a plasticizer and a nano additive to form the concrete. | ||||||
| 194 | DIMENSIONALLY STABLE GEOPOLYMER COMPOSITION AND METHOD | US13842100 | 2013-03-15 | US20130284070A1 | 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, patching materials for road repairs and other 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 sulfoaluminate cement, a calcium sulfate and a chemical activator with water. | ||||||
| 195 | Pumpable geopolymers comprising a fluid-loss agent | US13511640 | 2010-11-10 | US08535437B2 | 2013-09-17 | Elena Pershikova; Olivier Porcherie; Slaheddine Kefi; Yamina Boubeguira; Hafida Achtal |
| The invention concerns the use of a fluid loss control additive in a pumpable geopolymeric suspension for oil and/or gas industry applications, said suspension further comprising an aluminosilicate source, a carrier fluid, and an activator, and method of providing such a suspension in a borehole. In particular, the suspension according to the invention is used for well primary cementing operations and/or remedial applications. | ||||||
| 196 | GEOPOLYMER ADDITIVES AND METHODS OF USE FOR TREATMENT OF FLUID FINE TAILINGS | US13554079 | 2012-07-20 | US20130019780A1 | 2013-01-24 | Gholemhossein (Shahrad) KARIMI; Darren MacDonald |
| Select geopolymers are mixed, at high shear, with fluid fine tailings from an oil sand operation to increase the yield strength of deposits of the geopolymer-treated fluid fine tailings stream and to enhance the dewaterability of the deposits for meeting the regulated, minimum undrained shear strength of 5 kilopascals (kPa) in the fluid fine tailings deposited in the previous year. | ||||||
| 197 | Treatment of fly ash for use in concrete | US13450286 | 2012-04-18 | US08349071B2 | 2013-01-08 | Chett Boxley; Akash Akash; Qiang Zhao |
| A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with an activator solution sufficient to initiate a geopolymerization reaction and for a geopolymerized fly ash. The geopolymerized fly ash is granulated. The geopolymerized fly ash is considered usable fly ash for concrete according to foam index testing. The geopolymerized fly ash may have a foam index less than 35% of the foam index of the untreated fly ash, and in some cases less than 10% of the foam index of the untreated fly ash. The activator solution may contain an alkali metal hydroxide, carbonate, silicate, aluminate, or mixtures thereof. | ||||||
| 198 | HYBRID MAGNESIUM CEMENT AND METHOD OF MANUFACTURE | US13533520 | 2012-06-26 | US20130000520A1 | 2013-01-03 | Hwai-Chung Wu; Kraig Warnemuende |
| A hybrid magnesium cement composition formed of an A-side and a B-side. The A-side having an A1-component including a light-burn grade magnesium-containing material, and an A2-component including a non-metallic oxide salt. A B-side having a metal silicate polymer is included. | ||||||
| 199 | TREATMENT OF FLY ASH FOR USE IN CONCRETE | US13450286 | 2012-04-18 | US20120216716A1 | 2012-08-30 | Chett Boxley; Akash Akash; Qiang Zhao |
| A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with an activator solution sufficient to initiate a geopolymerization reaction and for a geopolymerized fly ash. The geopolymerized fly ash is granulated. The geopolymerized fly ash is considered usable fly ash for concrete according to foam index testing. The geopolymerized fly ash may have a foam index less than 35% of the foam index of the untreated fly ash, and in some cases less than 10% of the foam index of the untreated fly ash. The activator solution may contain an alkali metal hydroxide, carbonate, silicate, aluminate, or mixtures thereof. | ||||||
| 200 | Treatment of fly ash for use in concrete | US11776892 | 2007-07-12 | US08172940B2 | 2012-05-08 | Chett Boxley; Akash Akash; Qiang Zhao |
| A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with an activator solution sufficient to initiate a geopolymerization reaction and for a geopolymerized fly ash. The geopolymerized fly ash is granulated. The geopolymerized fly ash is considered usable fly ash for concrete according to foam index testing. The geopolymerized fly ash may have a foam index less than 35% of the foam index of the untreated fly ash, and in some cases less than 10% of the foam index of the untreated fly ash. The activator solution may contain an alkali metal hydroxide, carbonate, silicate, aluminate, or mixtures thereof. | ||||||
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