| 摘要 |
<p>A method of producing a foamed, inorganic material which includes the steps of producing in a liquid medium a foamed paste of a particulate material comprising an alkaline earth metal carbonate, extruding the paste, drying the extruded paste, and optionally further heating the extruded paste after drying, to produce a rigid, foamed, porous carbonate-containing material.</p> |
