公开(公告)号：AU2018354778A1

公开(公告)日：2020-06-11

申请号：AU2018354778

申请日：2018-10-18

Applicant: BASF SE ,  SAINT GOBAIN PLACO

Inventor： GEHRIG UWE ,  NIEDERMAIR FABIAN ,  DENGLER JOACHIM ,  DAXENBERGER GEORG ,  JAFFEL HAMOUDA

IPC: C04B28/14

Abstract: The present invention relates to a gypsum composition containing recycled gypsum and a foaming agent, said foaming agent comprising at least one alpha-sulfofatty acid disalt, to a method for the production thereof and to an article containing the gypsum composition according to the invention. The present invention further relates to the use of a foaming agent comprising at least one alpha-sulfofatty acid disalt for reducing the wet density of an aqueous gypsum composition which has a recycled gypsum content of at least 0.5 wt.%.

公开(公告)号：AU2017277077A1

公开(公告)日：2019-01-03

申请号：AU2017277077

申请日：2017-06-09

Applicant: BASF SE

Inventor： GAEDT TORBEN ,  DENGLER JOACHIM ,  MAZANEC OLIVER ,  HESSE CHRISTOPH ,  SEUFERT SEBASTIAN

IPC: C04B24/16 ,  C04B22/10 ,  C04B24/26 ,  C04B28/04

Abstract: The present invention relates to construction chemical compositions comprising a bisulfite adduct of glyoxylic acid or a salt or mixed salt thereof and an inorganic binder. The composition is useful as a hydration control agent of the inorganic binder.