| 摘要 |
<p>PROBLEM TO BE SOLVED: To offer a solid matter useful for pearl cores, accessories, building materials, civil engineering materials, cultivation of creature under the water, etc. SOLUTION: This solid matter is produced by carbonation of (A) cement and/or lime and (B) water, or a mixture or a covering matter of a creature- based solution through high-pressure curing under an atmosphere of carbon dioxide, etc., or impregnation with carbonated water, etc. Aragonite or shells is used as raw materials for slaked lime or quicklime of the mixture and/or a shellfish meat-based solution is used as the creature-based solution. Carbonation it carried out (a) after sufficient hydration and then hardening, (b) after curing in a state of repression of water vaporization and/or making up for the water deficiency, sufficient hydration and then hardening, (c) after making the surface glossy or (d) only in the outer layer. The obtained solid matter is colored or is composed of colored parts and uncolored parts.</p> |
