公开(公告)号：US20240018045A1

公开(公告)日：2024-01-18

申请号：US18253872

申请日：2021-12-07

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Patrick TINTILLIER ,  Sébastien GEORGES

IPC: C04B28/06 ,  C04B38/10 ,  C04B7/32

CPC classification number: C04B28/06 ,  C04B38/106 ,  C04B7/32 ,  C04B2111/00431

Abstract: A process for the production of a mineral foam suitable for its use as refractory material includes (i) separately preparing a slurry of cement and an aqueous foam, wherein the cement slurry comprises water (W), an aluminate cement (C) and a lithium salt; (ii) contacting the slurry of cement with the aqueous foam to obtain a slurry of foamed cement; (iii) adding lithium salt during or after stage (ii); (iv) casting the slurry of foamed cement and leaving it to set.

公开(公告)号：US20240124355A1

公开(公告)日：2024-04-18

申请号：US18262342

申请日：2022-01-28

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Mélanie DYKMAN ,  Sébastien GEORGES ,  Patrick TINTILLIER

IPC: C04B28/04 ,  C04B14/22 ,  C04B18/08 ,  C04B18/14 ,  C04B38/10

CPC classification number: C04B28/04 ,  C04B14/22 ,  C04B18/08 ,  C04B18/141 ,  C04B18/146 ,  C04B38/106 ,  C04B2201/32

Abstract: A method includes utilizing a component A selected from mineral component, sand, wood flour or combinations thereof, for reducing the thermal conductivity of a mineral foam produced by a including contacting a cement slurry and an aqueous foam, the cement composition used to prepare the cement slurry comprising the component A and Portland clinker.

公开(公告)号：US20230357092A1

公开(公告)日：2023-11-09

申请号：US18044932

申请日：2021-09-17

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Patrick TINTILLIER ,  Nicolas PEREZ ,  Florence SERRE

IPC: C04B38/10 ,  C04B28/04 ,  C04B22/14 ,  C04B24/10 ,  E04B1/76

CPC classification number: C04B38/10 ,  C04B28/04 ,  C04B22/148 ,  C04B24/10 ,  E04B1/7604 ,  C04B2111/00698

Abstract: A method for producing a composite insulating mineral construction element includes filling the cavity of a construction element including at least one cavity delimited by at least one inner wall at least partially having a water absorption rate of more than 5 g/(m2·s) at 10 minutes according to standard NF EN 772-11 of August 2011 with a foamed cement slurry including a cement being an hydraulic binder including a proportion of at least 50% by weight of calcium oxide CaO and silicone dioxide SiO2, a metal salt selected from an aluminium, magnesium or iron salt and mixtures thereof, and a cellulose ether; and leaving the foamed cement slurry to set within the cavity resulting in the formation of a mineral foam, wherein the foamed cement slurry includes from 0.01 to 0.2% by weight of cellulose ether, relative to the weight of cement.

公开(公告)号：US20210214278A1

公开(公告)日：2021-07-15

申请号：US17059691

申请日：2019-05-29

Applicant: HOLCIM TECHNOLOGY LTD

Inventor： Patrick TINTILLIER ,  Sébastien GEORGES

IPC: C04B24/26 ,  C04B28/04 ,  C04B38/10

Abstract: A process for producing a mineral foam having water repellent properties includes a) separately preparing a slurry of cement and an aqueous foam, wherein the cement slurry includes water, at least one water repellent agent different from organosilicon compound, and Portland cement and the aqueous foam includes a co-stabiliser; b) contacting the slurry of cement with the aqueous foam to obtain a slurry of foamed cement; and c) casting the slurry of foamed cement and leave the slurry of foamed cement to set.