公开(公告)号：US20220306535A1

公开(公告)日：2022-09-29

申请号：US17639028

申请日：2020-08-27

申请人： HOLCIM TECHNOLOGY LTD

发明人： Florent DALAS ,  Sébastien GEORGES ,  Cyril MOUNIE ,  Florent SKAWINSKI

IPC分类号： C04B28/04 ,  C04B14/28 ,  C04B22/12 ,  C04B24/38 ,  C04B38/02 ,  C04B40/00

摘要： A method for the production of a cavity filled with a low-density mineral foam includes (i) preparing a cement slurry including Portland cement; ultrafine particles of which the D50 is from 10 to 600 nm; a water reducing agent; a manganese salt; and water; wherein the mass ratio of manganese salts/Portland cement is below 0.014; (ii) adding to the cement slurry obtained after (i) a gas-forming liquid including a gas-forming agent; and a viscosity-modifying agent which is a polymer chosen among anionic bio-based polymer, amphiphilic bio-based polymer, alkali swellable acrylic polymer and mixture thereof; to obtain a foaming slurry; (iii) filling the cavity with the foaming slurry obtained at (ii); (iv) leaving the foaming slurry to expand within the cavity.

公开(公告)号：US20180354855A1

公开(公告)日：2018-12-13

申请号：US15780963

申请日：2016-12-05

申请人： HOLCIM TECHNOLOGY LTD

发明人： Corinne NEYRAND ,  Florent DALAS ,  Mélanie DYKMAN ,  Patrick TINTILLER ,  Serge SABIO

IPC分类号： C04B28/04 ,  C04B22/12 ,  C04B24/28 ,  C04B38/10

CPC分类号： C04B28/04 ,  C04B22/124 ,  C04B24/286 ,  C04B38/10 ,  C04B2103/302 ,  C04B2103/32 ,  C04B2111/28 ,  C04B2111/40 ,  C04B2111/52 ,  C04B2201/30 ,  C04B40/0028

摘要： A process for the production of a mineral foam includes (i) separately preparing a slurry of cement and an aqueous foam, wherein the cement slurry includes water and Portland cement; (ii) contacting the slurry of cement with the aqueous foam to obtain a slurry of foamed cement; (iii) adding a magnesium salt source before, during or after step (ii); and (iv) casting the slurry of foamed cement and leave it to set.