WO 2016/009257 A1

Dry cement mixture

(22) 23.06.2015

(43) 21.01.2016

(57) A dry cement mixture comprises Portland cement and an ultra-fine component consisting of at least one ultra-fine additive, said ultra-fine component being a hydraulic hinder, wherein Portland cement is present in an amount of at least 70 wt% of the mixture and the ultra-fine component is present in an amount of at least 5 wt% of the mixture, wherein the ultra-fine component has a particle size distribution characterized by a particle diameter D10 of between 0.5 μm and 2 μm and a particle diameter D90 of between 2 μm and 8 μm.

(71) Holcim Technology Ltd, Zürcherstrasse 156, CH-8645 Rapperswil-Jona (CH)

(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, 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, MR, NE, SN, TD, TG)


Related articles:

Issue 2020-4 PL425827 (A1)

(22) 05.06.2018 (43) 16.12.2019 (57) The subject of the application is an iron-bearing composite used in the production of Portland clinker. This composite is a mixture that contains fine-grained...

Issue 2022-2 WO 2021/191839 A1

(22) 25.03.2021 (43) 30.09.2021 (57) A dry cementitious material mixture for 3D-printing, comprising a hydraulic cement, at least one viscosity enhancing admixture, at least one accelerator and...

Issue 2016-11 US 2016/0272539 A1

(22) 27.11.2013 (43) 22.09.2016 (57) The present invention is directed to a method of continuously calcining a limestone particle mix comprising a fine fraction of limestone particles and a coarser...

Issue 2009-04 Materials Science

1 Introduction Chemical and physical properties of cement clinker are influenced by many factors including chemical, physical and mineralogical characteristics of the raw materials, the burning and...

Issue 2018-12 WO2018185072 (A1)

(22) 03.04.2018 (43) 11.10.2018 (57) The present invention pertains to a use of calcium carbonate having an average particle size in the range of from 0.5 to 3 ?m, preferably of from 1 to 3 ?m, in an...