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公开(公告)号:US20240351946A1
公开(公告)日:2024-10-24
申请号:US18685532
申请日:2022-08-09
申请人: BASF SE
IPC分类号: C04B7/04 , C04B24/02 , C04B28/04 , C04B103/00 , C04B103/40
CPC分类号: C04B7/04 , C04B24/02 , C04B28/04 , C04B2103/0006 , C04B2103/408
摘要: The present invention relates to a binder composition comprising Portland cement clinker, calcium sulfate, an inorganic sulfate source having a solubility higher than 100 g/l at 20° C. polyalcohol and/or metal salts thereof, a carbonate selected of the group consisting of organic carbonate, alkali carbonate, and mixtures thereof, a component F), and dispersant having a charge density of more than 0.80 μeq/g.
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公开(公告)号:US20170107153A1
公开(公告)日:2017-04-20
申请号:US15300565
申请日:2015-04-01
申请人: BASF SE
CPC分类号: C04B28/16 , C04B22/064 , C04B24/14 , C04B24/2611 , C04B28/04 , C04B28/14 , C04B2103/14 , C04B2103/20 , C04B2103/22 , C04B2103/408 , C04B2111/34 , C04B2111/60 , C04B2111/62 , C04B7/02 , C04B14/06 , C04B14/28 , C04B24/008 , C04B24/123 , C04B2103/0057 , C04B2103/10 , C04B2103/30 , C04B2103/50 , C04B7/32 , C04B22/143 , C04B24/06
摘要: The invention concerns a composition containing a) 2 to 80 weight % of Ordinary Portland Cement with respect to the total weight of the composition b) 2 to 80 weight % of a calcium sulfate based binder with respect to the total weight of the composition, with the proviso that the weight ratio of a) Ordinary Portland Cement to b) calcium sulfate based binder is from 95/5 to 5/95 and c) at least one retarder for calcium sulfate based binders, the retarder being a chemical structure, which comprises from 3 to 70 amino acids. Also concerned is the use of the compositions for self-levelling underlayments, tile adhesives, non-shrink grouts, floor screeds and repair mortars.
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公开(公告)号:US20220135478A1
公开(公告)日:2022-05-05
申请号:US17433757
申请日:2020-02-14
申请人: BASF SE
摘要: The present application relates to a mixture comprising at least one compound A selected from glyoxylic acid, salts thereof, and condensation or addition products of glyoxylic acid or salts thereof; and at least one polyhydroxy compound B. Furthermore, the present application relates to a construction material composition comprising said mixture, and to the use of said mixture for modifying the hardening of inorganic binder containing building material formulations, and/or for producing building products.
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4.
公开(公告)号:US20210188712A1
公开(公告)日:2021-06-24
申请号:US16755778
申请日:2018-10-18
申请人: BASF SE , Saint-Gobain Placo
摘要: The present invention relates to a gypsum composition comprising recycled gypsum and a foam former comprising at least one alpha-sulfo fatty acid disalt, to a process for production thereof and to an article comprising the gypsum composition of the invention. The present invention further relates to the use of a foam former comprising at least one alpha-sulfo fatty acid disalt for reducing the wet density of an aqueous gypsum composition having a recycled gypsum content of at least 0.5% by weight.
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公开(公告)号:US20200317905A1
公开(公告)日:2020-10-08
申请号:US16324201
申请日:2017-08-04
申请人: BASF SE
发明人: Torben GAEDT , Joachim DENGLER , Oliver MAZANEC
IPC分类号: C08L51/08 , C08F216/14 , C08F290/06 , C08G6/02 , C04B40/00
摘要: The invention relates to a composition in the form of a solid and suitable as a dispersant for inorganic solids suspensions, comprising A) at least one water-soluble polymer comprising polyether groups, and B) at least one water-soluble condensation product comprising acid groups and/or salts thereof and based on monomers, the monomers comprising at least α) a monomer having a ketone radical and β) formaldehyde. Further disclosed are a method for producing the composition of the invention, and the use thereof in an inorganic binder composition.
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公开(公告)号:US20180230052A9
公开(公告)日:2018-08-16
申请号:US15554984
申请日:2016-03-03
申请人: BASF SE
CPC分类号: C04B24/281 , C04B28/04 , C04B40/0042 , C04B2103/0057 , C04B2103/408 , C08J3/122 , C08K3/346 , C04B14/106 , C04B24/2647 , C04B14/042 , C04B24/165 , C04B14/20 , C04B24/246 , C04B14/104 , C04B24/267 , C04B40/0608
摘要: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.
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公开(公告)号:US20190119163A1
公开(公告)日:2019-04-25
申请号:US16308119
申请日:2017-06-09
申请人: BASF SE
摘要: The present invention relates to a mixture comprising at least one compound comprising an α-hydroxy-carboxylic unit, α-hydroxy-sulfonic acid unit or α-carbonyl-carboxylic unit and at least one water-soluble organic carbonate. The mixture is useful as a hydration control agent in construction chemical compositions comprising an inorganic binder.
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公开(公告)号:US20180044238A1
公开(公告)日:2018-02-15
申请号:US15554984
申请日:2016-03-03
申请人: BASF SE
CPC分类号: C04B24/281 , C04B28/04 , C04B40/0042 , C04B2103/0057 , C04B2103/408 , C08J3/122 , C08K3/346 , C04B14/106 , C04B24/2647 , C04B14/042 , C04B24/165 , C04B14/20 , C04B24/246 , C04B14/104 , C04B24/267 , C04B40/0608
摘要: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.
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公开(公告)号:US20190270671A1
公开(公告)日:2019-09-05
申请号:US16345404
申请日:2017-10-23
申请人: BASF SE
发明人: Torben GAEDT , Joachim DENGLER , Oliver MAZANEC , Christoph HESSE , Sebastian SEUFERT , Michael SCHINABECK
摘要: The present invention concerns an additive for construction chemical compositions, in particular mortar and cement compositions. The additive comprises at least one amide or ester of a sugar acid and at least one water-soluble comb polymer which contains, on the main chain, acid functions and side chains having ether functions. The additive is useful for retarding the hardening of a construction chemical composition.
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10.
公开(公告)号:US20180050962A1
公开(公告)日:2018-02-22
申请号:US15560552
申请日:2016-04-20
申请人: BASF SE
发明人: Manfred BICHLER , Martin WINKLBAUER , Torben GAEDT , Joachim DENGLER , Christoph HESSE , Bernhard MAYR
CPC分类号: C04B28/02 , C04B14/043 , C04B22/0086 , C04B22/064 , C04B24/246 , C04B24/2605 , C04B24/267 , C04B40/0042 , C04B2103/14 , C04B2103/001
摘要: The invention relates to a method for producing a calcium silicate hydrate-comprising hardening accelerator in powder form, which comprises the steps of (a) providing an aqueous suspension comprising calcium silicate hydrate; (b) mixing at least one calcium compound, selected from calcium acetate, calcium formate, calcium hydroxide, calcium oxide, and mixtures of two or more of said compounds, with the aqueous suspension comprising calcium silicate hydrate; and (c) drying the resulting mixture. The invention also relates to the hardening accelerator obtainable by this method, to the use thereof, and to building material mixtures which comprise the hardening accelerator.
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