WO 2015/062749 A1

Water-resistant binder based on beta-calcium sulphate hemihydrate

(22) 03.07.2014

(43) 07.05.2015

(57) The invention relates to a binder composition comprising (a) beta-­calcium sulphate hemihydrates (b-­CaSO4 ∙ 0.5 H2O), (b) Portland cement and (c) zeolite, and to construction chemicals which contain the binder composition.

(71) Henkel AG & Co. KGAA, Henkelstr. 67, 40589 Duesseldorf (DE)

(84) ARIPO (BW GH GM KE LR MW MZ NA RW SD SL SZ TZ UG ZM ZW), Eurasian (AM AZ BY KG KZ RU TJ TM), European (AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR), OAPI (BF BJ CF CG CI CM GA GN GQ GW KM ML NE SN TD TG)

Related articles:

Issue 10/2020 UNIVERSITY OF SIEGEN

Investigation of hydration mechanisms of alpha and beta hemihydrate

Gypsum-based binders are generally based on the reaction between calcium sulfate hemihydrate (HH) and water to form calcium sulfate dihydrate (DH). Often gypsum can be used as a raw material to obtain...

more
Issue 3/2018 UNIVERSITY OF SIEGEN

Hydration investigation of α-calcium sulphate hemihydrates is influenced by waste water from the foundry sand regeneration process

The influences of waste water collected from the wet regeneration process of foundry sand on the hydration of α-calcium sulphate hemihydrates (α-HH) was investigated. The characterization of liquid...

more
Issue 11-12/2020 KAZAN STATE UNIVERSITY OF ARCHITECTURE AND ENGINEERING

Structure and formation properties of a water-resistant compound binder based on calcium sulfate β-hemihydrate

This article discusses some special aspects of the hydration and structural formation of water-resistant gypsum-cement-pozzolan composite binders based on calcium sulfate β-hemihydrate modified by a...

more