公开(公告)号：US11685696B2

公开(公告)日：2023-06-27

申请号：US16620361

申请日：2018-06-06

Applicant: BASF SE

Inventor： Christian Schmidtke ,  Ekkehard Jahns ,  Torben Gaedt ,  Martin Winklbauer ,  Klaus Seip ,  Iris Loescher

IPC: C04B40/00 ,  C04B26/06 ,  C04B103/00 ,  C04B111/00 ,  C04B111/62 ,  C04B111/70 ,  C04B111/72

CPC classification number: C04B40/0042 ,  C04B26/06 ,  C04B40/0046 ,  C04B2103/0057 ,  C04B2111/00482 ,  C04B2111/00637 ,  C04B2111/00672 ,  C04B2111/62 ,  C04B2111/70 ,  C04B2111/72

Abstract: The present invention relates to a process for producing a redispersible dispersion powder, to the redispersible dispersion powder obtainable by this process, to an aqueous dispersion obtainable by step (1) of this process, and to a building material composition comprising the redispersible dispersion powder and/or the aqueous dispersion, to the use of the redispersible dispersion powder in a building material composition and to the use of the aqueous dispersion for production of a redispersible dispersion powder.

公开(公告)号：US09802864B2

公开(公告)日：2017-10-31

申请号：US14758980

申请日：2014-01-27

Applicant: BASF SE

Inventor： Christoph Hesse ,  Manfred Bichler ,  Alexander Kraus ,  Luc Nicoleau ,  Torben Gädt ,  Martin Winklbauer

IPC: C04B22/14 ,  C04B24/16 ,  C04B40/00 ,  C04B103/14 ,  C04B103/52

CPC classification number: C04B22/143 ,  C04B22/147 ,  C04B24/16 ,  C04B40/0042 ,  C04B2103/14 ,  C04B2103/52 ,  C04B14/043 ,  C04B24/2647 ,  C04B24/243

Abstract: The invention relates to an additive which can be used as a hardening accelerator for hydraulically setting compositions, comprising a) at least one polymeric dispersant comprising structural units having anionic or anionogenic groups and structural units having polyether side chains, b) at least one sulfonic acid compound of the formula (I) in which A1 is NH2, NHMe, NMe2, N(CH2—CH2—OH)2, CH3, C2H5, CH2—CH2—OH, phenyl, or p-CH3-phenyl and Kn+ is an alkali metal cation, or one equivalent of a cation selected from Ca2+, Mg2+, Sr2+, Ba2+, Zn2+, Fe2+, Fe3+, Al3+, Mn2+, or Cu2+, and c) calcium silicate hydrate particles.

公开(公告)号：US20160122243A1

公开(公告)日：2016-05-05

申请号：US14897778

申请日：2014-07-10

Applicant: BASF SE

Inventor： Torben Gaedt ,  Martin Winklbauer ,  Harald Grassl ,  Michael Schinabeck ,  Nina Susanne Hillesheim ,  Antonia Grafetstetter

IPC: C04B11/00 ,  C04B16/04

CPC classification number: C04B11/00 ,  C04B16/04 ,  C04B24/246 ,  C04B28/14 ,  C04B2103/408 ,  C04B2111/0062 ,  C04B2111/62 ,  C08F220/28 ,  C08F2220/286 ,  C08F230/02

Abstract: The invention relates to a dispersant comprising a polymer obtainable by copolymerization of monomers including 5 to 80 mol % of a hydroxyalkyl acrylate phosphate and/or hydroxyalkylacrylamide phosphate (monomer 1), 0 to 20 mol % of a di(hydroxyalkyl acrylate) phosphate and/or di(hydroxyalkylacrylamide) phosphate (monomer 2) and 1 to 80 mol % of a polyalkylene glycol-containing macromonomer comprising an alkene group (monomer 3). Further disclosed is a process for preparing the polymers of the invention and the use thereof as dispersants in calcium sulphate-containing compositions. A further aspect of the invention is a process for producing shaped gypsum bodies, and also shaped gypsum bodies, more particularly gypsum plasterboards and self-levelling screeds, comprising the dispersant of the invention.

Abstract translation: 本发明涉及一种包含聚合物的分散剂，该聚合物可通过使包含5-80摩尔％的丙烯酸羟烷基酯磷酸酯和/或羟烷基丙烯酰胺磷酸酯（单体1），0-20摩尔％的二（羟基烷基丙烯酸酯）磷酸酯和/ 或二（羟基烷基丙烯酰胺）磷酸酯（单体2）和1〜80摩尔％的含有亚烷基二醇的大分子单体（包含烯烃基团（单体3））。 进一步公开的是制备本发明聚合物的方法及其作为含硫酸钙组合物中分散剂的用途。 本发明的另一方面是生产成形石膏体以及成型石膏体的方法，更特别是包含本发明分散剂的石膏板和自流平砂浆。

公开(公告)号：US10131578B2

公开(公告)日：2018-11-20

申请号：US14897778

申请日：2014-07-10

Applicant: BASF SE

Inventor： Torben Gaedt ,  Martin Winklbauer ,  Harald Grassl ,  Michael Schinabeck ,  Nina Susanne Hillesheim ,  Antonia Grafetstetter

IPC: C04B11/00 ,  C04B16/04 ,  C04B24/24 ,  C04B28/14 ,  C08F220/28 ,  C04B103/40 ,  C04B111/00 ,  C04B111/62

Abstract: The invention relates to a dispersant comprising a polymer obtainable by copolymerization of monomers including 5 to 80 mol % of a hydroxyalkyl acrylate phosphate and/or hydroxyalkylacrylamide phosphate (monomer 1), 0 to 20 mol % of a di(hydroxyalkyl acrylate) phosphate and/or di(hydroxyalkylacrylamide) phosphate (monomer 2) and 1 to 80 mol % of a polyalkylene glycol-containing macromonomer comprising an alkene group (monomer 3). Further disclosed is a process for preparing the polymers of the invention and the use thereof as dispersants in calcium sulphate-containing compositions. A further aspect of the invention is a process for producing shaped gypsum bodies, and also shaped gypsum bodies, more particularly gypsum plasterboards and self-levelling screeds, comprising the dispersant of the invention.

公开(公告)号：US10144673B2

公开(公告)日：2018-12-04

申请号：US15560552

申请日：2016-04-20

Applicant: BASF SE

Inventor： Manfred Bichler ,  Martin Winklbauer ,  Torben Gaedt ,  Joachim Dengler ,  Christoph Hesse ,  Bernhard Mayr

IPC: C04B28/02 ,  C04B40/00 ,  C04B14/04 ,  C04B22/00 ,  C04B22/06 ,  C04B24/24 ,  C04B24/26 ,  C04B103/14

Abstract: 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.

公开(公告)号：US10065891B2

公开(公告)日：2018-09-04

申请号：US15524106

申请日：2015-11-03

Applicant: BASF SE

Inventor： Manfred Bichler ,  Martin Winklbauer ,  Joachim Dengler

IPC: C08F20/06 ,  C08F20/26 ,  C04B24/26 ,  C08L23/00 ,  C04B28/02 ,  C04B24/16 ,  C04B24/24 ,  C04B28/16 ,  C08F220/06 ,  C04B111/00 ,  C04B111/28 ,  C04B111/62 ,  C04B111/70

Abstract: The invention relates to a polymer which is obtainable by copolymerizing monomers comprising at least one ethylenically unsaturated monomer which comprises at least one acid group and at least one ethylenically unsaturated monomer (II) having polyether groups with 5 to 35 repeating units and at least one ethylenically unsaturated monomer (III) having polyether groups with 45 to 150 repeating units, the molar ratio of monomer (II) to monomer (III) being between 75:25 and 99.5:0.5. Further disclosed are the use of the polymer of the invention as an admixture for inorganic binder compositions, and a composition in powder form comprising an inorganic binder and the polymer of the invention.