| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a self-flowing hydraulic composition with self-fluidity, which can stably maintain high fluidity for a long period of time in a wide temperature range, is excellent in quick hardening property and horizontal leveling property and can provide satisfactory surface finishing. <P>SOLUTION: The hydraulic composition includes: a hydraulic composition comprising alumina cement, portland cement and gypsum; and a fluidizer, wherein the fluidizer comprises a lignin sulfonate type fluidizer and a polycarboxylic acid type fluidizer, and further the lignin sulfonate type fluidizer comprises calcium lignin sulfonate and sodium lignin sulfonate. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
