公开(公告)号：US12024475B2

公开(公告)日：2024-07-02

申请号：US16462427

申请日：2017-11-17

Applicant: BASF SE

Inventor： Jaochim Dengler ,  Georg Daxenberger ,  Pavlo Ilyin ,  Fabian Niedermair ,  Josef Hoermansperger ,  Manfred Schuhbeck

IPC: C04B40/00 ,  C04B14/06 ,  C04B24/16 ,  C04B24/30 ,  C04B28/04 ,  C04B28/14 ,  C04B103/00 ,  C04B103/40 ,  C04B103/44 ,  C04B111/00

CPC classification number: C04B40/0042 ,  C04B14/06 ,  C04B24/161 ,  C04B24/30 ,  C04B28/04 ,  C04B28/147 ,  C04B2103/0045 ,  C04B2103/0079 ,  C04B2103/402 ,  C04B2103/406 ,  C04B2103/44 ,  C04B2111/00517

Abstract: The invention relates to a composition for inorganic binders, comprising at least one ketone-formaldehyde condensation product on the basis of a cyclic ketone and at least one anionic or nonionic surfactant and/or a thickener, and also to building material mixtures which comprise this composition, and to the use of the composition. The compositions improve the applications properties of the binder formulations.

公开(公告)号：US11345636B2

公开(公告)日：2022-05-31

申请号：US16755778

申请日：2018-10-18

Applicant: BASF SE ,  Saint-Gobain Placo

Inventor： Uwe Gehrig ,  Fabian Niedermair ,  Joachim Dengler ,  Georg Daxenberger ,  Hamouda Jaffel

IPC: C04B28/14 ,  C04B18/16 ,  C04B24/16 ,  C04B24/42 ,  C04B38/10 ,  C04B103/20 ,  C04B103/30 ,  C04B103/40 ,  C04B103/42 ,  C04B111/00 ,  C04B111/60

Abstract: 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.