公开(公告)号：US20240391833A1

公开(公告)日：2024-11-28

申请号：US18693828

申请日：2022-09-21

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Abdelaziz LABYAD ,  Sylvain DUCHAND ,  Christian BLACHIER ,  Loïc RÉGNAULT DE LA MOTHE ,  Hélène LOMBOIS-BURGER

IPC: C04B28/04 ,  B28B1/00 ,  B33Y10/00 ,  B33Y70/00 ,  C04B14/04 ,  C04B14/28 ,  C04B103/32 ,  C04B111/00

Abstract: A dry cementitious material mixture for 3D-printing, includes a hydraulic cement, a mineral component having a BET-specific surface area of 0.5-30 m2/g, and being present in an amount of 3-50% by weight based on the hydraulic cement, an additional material being one of: at least one viscosity enhancing admixture being present in an amount of 0.01-1.5% by weight based on the hydraulic cement, clay being present in an amount of 0.01-5.0% by weight based on the hydraulic cement, and further optionally comprising aggregates.

公开(公告)号：US20230150877A1

公开(公告)日：2023-05-18

申请号：US17914090

申请日：2021-03-25

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Benito CARRION GOMEZ ,  Hélène LOMBOIS-BURGER ,  Qing ZHANG ,  Sylvain DUCHAND ,  Abdelaziz LABYAD

IPC: C04B28/04 ,  C04B7/02 ,  C04B20/00 ,  C04B22/10 ,  C04B24/04

CPC classification number: C04B28/04 ,  C04B7/02 ,  C04B20/0048 ,  C04B22/10 ,  C04B24/04 ,  B33Y70/00

Abstract: A dry cementitious material mixture for 3D-printing, includes 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 based on the hydraulic cement and the at least one accelerator is present in an amount of 0.5-6.0% by weight based on the hydraulic cement.