公开(公告)号：US20190071545A1

公开(公告)日：2019-03-07

申请号：US16093437

申请日：2017-04-10

Applicant: BASF SE

Inventor： Gerhard ALBRECHT ,  Sophie PUTZIEN ,  Torben GAEDT ,  Michael DIETZSCH ,  Harald GRASSL ,  Iris LOESCHER ,  Luc NICOLEAU

IPC: C08J3/12 ,  C08J3/05 ,  C08K3/08 ,  C08K3/22 ,  C08K3/34 ,  C04B40/00 ,  C04B24/26 ,  C04B24/28

Abstract: The invention relates to a process for modifying polymer particles of an aqueous polymer dispersion in which positively or negatively charged polymer particles are provided with an inorganic salt shell. The inorganic shell leads to an improved drying ability and storage stability of the latex and improves the storage stability of the resulting polymer powder. The obtained polymer powder exhibits an improved viscosity and faster skin-forming time in the final application and is therefore particularly useful in a building material composition.

公开(公告)号：US20150344368A1

公开(公告)日：2015-12-03

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

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.

Abstract translation: 本发明涉及一种添加剂，其可用作水硬性组合物的硬化促进剂，其包括a）至少一种包含具有阴离子或阴离子基团的结构单元和具有聚醚侧链的结构单元的聚合物分散体，b）至少一种磺酸 其中A1是NH2，NHMe，NMe2，N（CH2-CH2-OH）2，CH3，C2H5，CH2-CH2-OH，苯基或对-CH3-苯基的式（Ⅰ）化合物和Kn +是碱 金属阳离子或1当量选自Ca2 +，Mg2 +，Sr2 +，Ba2 +，Zn2 +，Fe2 +，Fe3 +，Al3 +，Mn2 +或Cu2 +的阳离子，以及c）硅酸钙水合物颗粒。

公开(公告)号：US20150299042A1

公开(公告)日：2015-10-22

申请号：US14651774

申请日：2014-01-27

Applicant: BASF SE

Inventor： Christoph HESSE ,  Luc NICOLEAU

IPC: C04B22/10 ,  C04B24/32 ,  C04B24/26

CPC classification number: C04B22/10 ,  C04B24/2688 ,  C04B24/32 ,  C04B28/02 ,  C04B28/06 ,  C04B28/065 ,  C04B28/14 ,  C04B28/16 ,  C04B40/0042 ,  C04B2103/14 ,  Y02W30/92 ,  Y02W30/94 ,  C04B22/0086 ,  C04B24/246 ,  C04B14/043 ,  C04B24/243 ,  C04B2103/006 ,  C04B24/267 ,  C04B24/165 ,  C04B14/106 ,  C04B14/108 ,  C04B18/08 ,  C04B18/141 ,  C04B18/146 ,  C04B24/2658 ,  C04B2103/0088

Abstract: The invention relates to a process for the preparation of a hardening accelerator composition by reacting a calcium source selected from calcium hydroxide, calcium oxide with a water-soluble silicate compound in the presence of at least one water-soluble polymeric dispersing agent and the hardening accelerator composition obtainable by said process. The composition has a low content of anions and of alkali cations and is therefore broadly applicable in building material mixtures.

Abstract translation: 本发明涉及通过在至少一种水溶性聚合物分散剂和硬化促进剂存在下，使选自氢氧化钙，氧化钙与水溶性硅酸盐化合物的钙源反应来制备硬化促进剂组合物的方法 可通过所述方法获得的组合物。 该组合物具有低含量的阴离子和碱性阳离子，因此广泛适用于建筑材料混合物。