WO 2021/191839 A1

Dry cementitious material mixture for 3D-printing

(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 aggregates, wherein the at least one viscosity enhancing admixture is present in an amount of 0,05-1.5 % by weight, preferably 0.2-0.6 % by weight, based on the hydraulic cement and the at least one accelerator is present in an amount of 0.5-6.0 %, preferably 1.5-4 %, by weight based on the hydraulic cement.

(71) Holcim Technology Ltd, Grafenauweg 10, 6300 Zug (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, ST, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)

x

Related articles:

Issue 2019-3 US 2018/0312435 A1

Agents for enhancing cement strength

(22) 24.04.2018 (43) 01.11.2018 (57) A method of forming a cement composition. The method comprises adding to a hydraulic cementitious material a first strength-enhancing agent and a second...

more
Issue 2020-11-12 US 2020/0277229 A1

Accelerating admixture for hydraulic compositions

(22) 21.09.2018 (43) 03.09.2020 (57) The object of the present invention is a novel admixture comprising a hardening accelerator for hydraulic compositions based on Portland cement and other...

more
Issue 2018-11 WO 2018/147909 A1

Early strength enhancement of cements

(22) 25.10.2017 (43) 16.08.2018 (57) A method of making a cement composition, comprising grinding a cement clinker and a strength-enhancing agent, thereby producing a hydraulic cementitious powder,...

more
Issue 2020-5-6 US 2020/0055775 A1

Early strength enhancement of cements

(22) 25.10.2017 (43) 20.02.2020 (57) A method of making a cement composition, comprising grinding a cement clinker and a strength-enhancing agent, thereby producing a hydraulic cementitious powder,...

more
Issue 2021-8 PL433120 (A1)

Method of reducing the amount of cement in cementitious compositions and the cementitious composition made according to this method

(22) 02.03.2020 (43) 06.09.2021 (57) The subject of the application is a method of reducing the amount of cement in cement mixtures, in which cement is replaced with another binder, characterized by...

more