ULTRA-LIGHT MINERAL FOAM
A process for the production of a mineral foam comprising the following steps: (i) separately preparing a slurry of cement and an aqueous foam, wherein the cement slurry comprises water (W) and Portland cement (C); (ii) contacting the slurry of cement with the aqueous foam to obtain a slurry of foam...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A process for the production of a mineral foam comprising the following steps:
(i) separately preparing a slurry of cement and an aqueous foam, wherein the cement slurry comprises water (W) and Portland cement (C);
(ii) contacting the slurry of cement with the aqueous foam to obtain a slurry of foamed cement;
(iii) adding a magnesium salt source in step (i) or before, during or after step (ii);
(iv) casting the slurry of foamed cement and leave it to set. |
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