WO 2020/254840 A1

Nanoclinker powder with belite and, optionally, alite crystalline phases

(22) 18.06.2020

(43) 24.12.2020

(57) The present invention relates to a nanoclinker powder having a belite (C2S) crystalline phase as determined by powder X-ray diffraction, said nanoclinker powder having an particle size range of 2-500 nm as determined by Transmission Electron Microcopy (TEM); comprising nanobelite (C25) particles and comprising 0-1 wt.% of CaO and 0-25 wt.% of CaCO3 based on the total weight of crystalline phases in the nanoclinker powder as determined by powder X-ray diffraction. The present invention further relates to a method for its preparation, its use in a cement material and its applications in, e.g., construction and building, 3D printing and orthodontics.

(71) Titan Cement Company S.A., 22A Halkidos Str., 11143 Athens (GR)

(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)

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