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1. 发明公开

US20240308915A1 HYDRAULIC COMPOSITION FOR 3D PRINTING AND METHOD OF MANUFACTURING 3D OBJECT 审中-公开
公开(公告)号：US20240308915A1
公开(公告)日：2024-09-19
申请号：US18595661
申请日：2024-03-05
申请人： Shin-Etsu Chemical Co., Ltd.
发明人： Hidekazu KONISHI
IPC分类号： C04B28/04 , B33Y10/00 , B33Y70/00 , C04B16/06 , C04B24/26 , C04B24/38 , C04B111/00
CPC分类号： C04B28/04 , B33Y70/00 , C04B16/0633 , C04B24/2652 , C04B24/383 , B33Y10/00 , C04B2111/00146 , C04B2111/00181
摘要： A hydraulic composition comprising (A) a water-soluble hydroxyalkyl alkyl cellulose, (B) a polyacrylamide, (C) cement, (D) water, and (E) short fibers is suitable for 3D printing of the material extrusion process. The composition has satisfactory nozzle extrudability, self-support after lamination, and water retention. A method of manufacturing a three-dimensional object using the hydraulic composition is also provided.

2. 发明授权

US12030813B2 Online control of rheology of building material for 3D printing 有权
公开(公告)号：US12030813B2
公开(公告)日：2024-07-09
申请号：US16311862
申请日：2017-06-02
申请人： HOLCIM TECHNOLOGY LTD
发明人： Vivien Esnault , Pierre-Henri Jezequel , Fabrice Toussaint , Abdellaziz Labyad
IPC分类号： C04B28/02 , B28B1/00 , B28B3/20 , B29C64/106 , B33Y10/00 , B33Y70/10 , C04B14/04 , C04B22/06 , C04B22/08 , C04B22/12 , C04B22/14 , C04B24/16 , C04B24/26 , C04B24/32 , C04B24/34 , C04B24/38 , C04B40/00 , E04G21/04 , C04B103/00 , C04B103/12 , C04B103/30 , C04B103/32 , C04B103/44 , C04B111/00
CPC分类号： C04B28/02 , B28B1/001 , B28B3/20 , B29C64/106 , B33Y10/00 , B33Y70/10 , C04B14/045 , C04B22/06 , C04B22/085 , C04B22/124 , C04B22/148 , C04B24/16 , C04B24/2652 , C04B24/32 , C04B24/34 , C04B24/38 , C04B24/383 , C04B40/0028 , E04G21/04 , C04B2103/0079 , C04B2103/12 , C04B2103/302 , C04B2103/32 , C04B2103/44 , C04B2111/00181 , C04B28/02 , C04B14/062 , C04B14/28 , C04B40/0028 , C04B2103/0079 , C04B2103/12 , C04B2103/302 , C04B2103/12 , C04B12/04 , C04B14/303 , C04B22/085 , C04B22/124 , C04B22/14 , C04B22/147 , C04B2103/0079 , C04B24/14 , C04B24/2652 , C04B24/38 , C04B24/383 , C04B40/0028 , C04B28/02 , C04B2103/0079
摘要： A method of placing a flowable construction material including a hydraulic binder for building structural components layer-by-layer, such as for 3D concrete printing, the method including preparing a fresh flowable construction material made of Portland cement, fine limestone filler materials, fine sands, water, and water reducing admixture and possibly a set or hardening accelerating admixture, conveying the flowable construction material to a deposition head, placing the construction material through an outlet of the deposition head in order to form a layer of construction material, before placing the construction material, adding a rheology-modifying agent to the construction material so that the placed material has an increased yield stress when compared to the material during the conveying step.

3. 发明公开

US20230303446A1 CEMENT-REDUCED CONSTRUCTION COMPOSITION 审中-公开
公开(公告)号：US20230303446A1
公开(公告)日：2023-09-28
申请号：US18023268
申请日：2021-08-25
申请人： Construction Research & Technology GmbH
发明人： Massimo BANDIERA , Peter SCHWESIG , Bernhard SACHSENHAUSER
IPC分类号： C04B28/26 , C04B28/04 , C04B28/14 , C04B11/30 , C04B14/06 , C04B24/26 , C04B24/06
CPC分类号： C04B28/26 , C04B28/04 , C04B28/14 , C04B11/30 , C04B14/06 , C04B24/2652 , C04B24/06
摘要： A cement-reduced construction composition comprises a) a cementitious binder comprising one or more calcium silicate mineral phases and one or more calcium aluminate mineral phases, and having a Blaine surface area of at least 3800 cm2/g, in an amount of 180 to 400 kg per m3 of the freshly mixed construction composition; b) a fine material having a Dv90 of less than 200 μm, selected from alkali-activatable binders, rock powders and inorganic pigments, or mixtures thereof, in a total amount of 20 to 200 parts by weight, relative to 100 parts by weight of cementitious binder a); c) optionally, an extraneous aluminate source; d) a sulfate source; and e) a polyol in an amount of 0.3 to 2.5 wt.-%, relative to the amount of cementitious binder a). The composition contains available aluminate, calculated as Al(OH)4—, from the calcium aluminate mineral phases plus the optional extraneous aluminate source, per 100 g of cementitious binder a), in a total amount of at least 0.08 mol, if the amount of cementitious binder a) is in the range of 180 to less than 220 kg per m3 of the freshly mixed composition, at least 0.06 mol, if the amount of cementitious binder a) is in the range of 220 to less than 280 kg per m3 of the freshly mixed composition, and at least 0.05 mol, if the amount of cementitious binder a) is 280 kg or more per m3 of the freshly mixed composition; and the molar ratio of total available aluminate to sulfate is 0.4 to 2.0. The construction composition further comprises f) an ettringite formation controller comprising (i) glyoxylic acid, a glyoxylic acid salt and/or a glyoxylic acid derivative; and (ii) at least one of (ii-a) a borate source and (ii-b) a carbonate source, wherein the carbonate source is selected from inorganic carbonates having an aqueous solubility of 0.1 g·L−1 or more, organic carbonates, and mixtures thereof; and g) a co-retarder selected from (g-1) α-hydroxy monocarboxylic acids and salts thereof, (g-2) phosphonic acids and salts thereof, (g-3) polycarboxylic acids and salts thereof, and mixtures thereof. The cement-reduced construction composition is a reduced carbon footprint construction composition and exhibits high early strength, high final strength, sufficient open time, high durability, and reduced shrinkage compared to ordinary Portland cement based mixes. Ingredients of the construction composition are abundantly available.

4. 发明授权

US10640423B2 Method to artificially agglomerate finely divided materials 有权
公开(公告)号：US10640423B2
公开(公告)日：2020-05-05
申请号：US15567538
申请日：2015-05-26
申请人： CEMEX RESEARCH GROUP AG
发明人： Davide Zampini , Alexandre Guerini , Giovanni Volpatti
IPC分类号： C04B18/02 , C04B24/38 , C04B111/00
CPC分类号： C04B18/021 , C04B24/38 , C04B2111/0075 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B18/021 , C04B14/06 , C04B14/10 , C04B18/08 , C04B18/141 , C04B18/146 , C04B18/16 , C04B18/162 , C04B18/167 , C04B24/02 , C04B24/04 , C04B24/121 , C04B24/14 , C04B24/2641 , C04B24/2652 , C04B24/32 , C04B24/38 , C04B24/383 , C04B2103/008 , C04B2103/32 , C04B18/021 , C04B14/06 , C04B14/10 , C04B18/08 , C04B18/141 , C04B18/146 , C04B18/16 , C04B18/162 , C04B18/167 , C04B24/02 , C04B24/04 , C04B24/121 , C04B24/14 , C04B24/18 , C04B24/223 , C04B24/226 , C04B24/2641 , C04B24/2647 , C04B24/2652 , C04B24/32 , C04B24/38 , C04B24/383 , C04B2103/32
摘要： Method to artificially agglomerate finely divided materials. A method to agglomerate finely divided material into aggregates, the aggregates being larger than the finely divided material, comprising the steps of (a) mixing finely divided material, binder and water in a mixer, (b) adding an agglomerating agent to the mix formed in step (a) and mixing constantly. Finely divided material is selected from the group consisting of cement, sand, clay, glass, slag, fly ash, stone powder, bypass dust, limestone, silica fume, crushed brick, brick powder and crushed stone or a combination thereof.

5. 发明申请

US20190225857A1 CEMENT COMPOSITIONS COMPRISING AQUEOUS LATEX CONTAINING DISPERSED SOLID AND LIQUID ELASTOMER PHASES 审中-公开
公开(公告)号：US20190225857A1
公开(公告)日：2019-07-25
申请号：US16372892
申请日：2019-04-02
申请人： Saudi Arabian Oil Company
发明人： B. Raghava REDDY
IPC分类号： C09K8/467 , C08L9/10 , C04B16/10
CPC分类号： C09K8/467 , C04B16/10 , C04B28/02 , C04B28/04 , C04B40/0039 , C08L9/10 , C04B24/2611 , C04B2103/0066 , C04B2103/402 , C04B2103/406 , C04B24/2676 , C04B24/2652 , C04B24/2623 , C04B20/0048 , C04B38/10 , C04B2103/0082 , C04B2103/12 , C04B2103/22 , C04B2103/408 , C04B2103/46 , C04B2103/50 , C04B24/163 , C04B24/226
摘要： A composition for use as a latex cement additive, the composition comprising an aqueous latex, the aqueous latex comprising an aqueous fluid and a solid elastomer, where the solid elastomer is dispersed in the aqueous fluid; a liquid elastomer, the liquid elastomer having a viscosity between 50,000 cP and 300,000 cP at room temperature; and a surfactant, the surfactant operable to facilitate incorporation of the liquid elastomer into the aqueous latex.

6. 发明授权

US10351754B1 Cement compositions comprising aqueous latex containing dispersed solid and liquid elastomer phases 有权
公开(公告)号：US10351754B1
公开(公告)日：2019-07-16
申请号：US15870374
申请日：2018-01-12
申请人： Saudi Arabian Oil Company
发明人： B. Raghava Reddy
IPC分类号： C09K8/467 , C08L9/10 , C04B16/10
CPC分类号： C09K8/467 , C04B16/10 , C04B28/02 , C04B28/04 , C04B40/0039 , C08L9/10 , C04B24/2611 , C04B2103/0066 , C04B2103/402 , C04B2103/406 , C04B24/2676 , C04B24/2652 , C04B24/2623 , C04B20/0048 , C04B38/10 , C04B2103/0082 , C04B2103/12 , C04B2103/22 , C04B2103/408 , C04B2103/46 , C04B2103/50 , C04B24/163 , C04B24/226
摘要： A composition for use as a latex cement additive, the composition comprising an aqueous latex, the aqueous latex comprising an aqueous fluid and a solid elastomer, where the solid elastomer is dispersed in the aqueous fluid; a liquid elastomer, the liquid elastomer having a viscosity between 50,000 cP and 300,000 cP at room temperature; and a surfactant, the surfactant operable to facilitate incorporation of the liquid elastomer into the aqueous latex.

7. 发明授权

US09981875B2 Alkaline-treated inverted molasses as dispersants for mineral suspensions 有权
公开(公告)号：US09981875B2
公开(公告)日：2018-05-29
申请号：US15028604
申请日：2014-10-15
申请人： SIKA TECHNOLOGY AG
发明人： Thomas Haack , Hugo Olivares , Pedro Gallegos
IPC分类号： C04B24/10 , C04B40/00 , C04B24/26 , C08K5/1535 , C04B103/40
CPC分类号： C04B24/10 , C04B24/2641 , C04B40/0039 , C04B2103/408 , C08K5/1535 , C12Y302/01026 , C04B24/2647 , C04B2103/32 , C04B24/2652 , C04B24/22 , C04B24/18
摘要： Modified molasses are used as dispersants for mineral suspensions, the modified molasses being obtained by means of a method comprising the steps: a) inversion of molasses and/or provision of inverted molasses; b) reaction of the inverted molasses with alkalis.

8. 发明授权

US09951261B2 Cement spacer system for wellbores, methods of making, and methods of use 有权
公开(公告)号：US09951261B2
公开(公告)日：2018-04-24
申请号：US14643117
申请日：2015-03-10
申请人： Scott Gregory Nelson
发明人： Scott Gregory Nelson
IPC分类号： C09K8/42 , E21B33/13 , C04B28/02 , C09K8/40 , C09K8/467 , C04B103/00
CPC分类号： C09K8/424 , C04B28/02 , C04B2103/0043 , C09K8/40 , C09K8/467 , C04B24/2623 , C04B24/2641 , C04B24/2652 , C04B24/2664 , C04B24/38 , C04B24/383 , C04B2103/40 , C04B40/0028 , C04B40/0035
摘要： A cement spacer fluid for use in a wellbore includes an aqueous cement spacer carrier fluid and a preformed synthetic polymer swellable in the aqueous cement spacer carrier fluid in an amount effective to displace a drilling fluid during a cementing operation. Preferably, the polymer is particulate, and forms a hydrated pack of particles. A method of cementing a wellbore comprising a drilling fluid includes injecting the cement spacer fluid into the wellbore to displace the drilling fluid; injecting a cement slurry into the wellbore subsequent to injecting the cement spacer fluid; and hardening the cement in the slurry to cement the wellbore.

9. 发明授权

US09822295B2 Vulcanized oil and water swellable particulate composite compositions 有权
公开(公告)号：US09822295B2
公开(公告)日：2017-11-21
申请号：US14907500
申请日：2013-10-30
申请人： Halliburton Energy Services, Inc.
发明人： B. Raghava Reddy , Feng Liang , Ronnie G. Morgan
IPC分类号： C09K8/467 , C04B28/02 , C04B24/24 , C04B24/26 , C04B24/38 , E21B33/14 , C04B103/00
CPC分类号： C09K8/467 , C04B24/24 , C04B24/2641 , C04B24/2652 , C04B24/383 , C04B28/02 , C04B2103/0049 , C04B2103/0053 , C04B2103/0062 , E21B33/14 , C04B14/30 , C04B24/08 , C04B24/2623 , C04B24/161 , C04B2103/52
摘要： Embodiments herein include a method comprising providing a self-sealing cement slurry comprising an aqueous base fluid, a cementitious material, and a vulcanized oil and water swellable particulate composite, wherein the vulcanized oil and water swellable particulate composite comprises an elastomer, a crosslinked water swellable superabsorbent polymer, and a hydrophobically modified water-soluble polymer; introducing the self-sealing cement slurry into a subterranean formation; and allowing the self-sealing cement slurry to set, wherein the vulcanized oil and water swellable particulate composite is capable of swelling in the presence of a non-aqueous fluid and an aqueous fluid to reduce the permeability of fluid flowpaths in the set self-sealing cement slurry upon loss of structural integrity.

10. 发明授权

US09789457B2 Treatment of tailing streams 有权
公开(公告)号：US09789457B2
公开(公告)日：2017-10-17
申请号：US14777608
申请日：2014-03-20
申请人： THE CHEMOURS COMPANY FC LLC
发明人： Robert Harvey Moffett
IPC分类号： E02D3/00 , B01J13/00 , E02D3/12 , C04B28/24 , C04B28/26 , C10G1/04 , C02F11/12 , C04B24/26 , C04B111/00 , C02F103/10
CPC分类号： B01J13/0056 , C02F11/121 , C02F2103/10 , C04B24/2652 , C04B28/24 , C04B28/26 , C04B2111/00767 , C10G1/045 , E02D3/12 , Y02W30/91 , Y02W30/93 , C04B18/12 , C04B40/006
摘要： A process for treating a tailings stream comprising water, solids, and optionally polyacrylamide. The process involves (a) contacting the tailings stream with a silicate source for a pre-determined period of time to form a mixture; b) after a pre-determined period of time of at least 5 minutes, contacting the mixture with an activator to initiate gel formation, wherein the gel entraps the solids within the gel; and c) allowing the gel to strengthen and solidify; wherein the gel formation is delayed compared with a non-delayed process.

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