DEFOAMING AGENT FOR HYDRAULIC COMPOSITION, AND HYDRAULIC COMPOSITION

• Main Authors: NAITO HIROKI, TAMAKI SHINJI, FURUTA AKIHIRO, MURAMATSU AYAKA
• Format: Patent
• Language: Chinese; English
• Published: 26.10.2021
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; REFRACTORIES; SEPARATION; SLAG; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TREATMENT OF NATURAL STONE

Through the present invention, it is possible to provide a defoaming agent for a hydraulic composition, having high compatibility with an admixture as well as excellent defoaming ability and foam stability, and a hydraulic composition. The present invention provides a defoaming agent for a hydraulic composition, the defoaming agent containing a specific nitrogen-containing polyoxyalkylene compound. 本发明提供了与混和剂的相容性高、并且具有优异的消泡性和气泡稳定性的水硬性组合物用消泡剂以及含有该消泡剂的水硬性组合物。水硬性组合物用消泡剂含有特定的含氮聚氧基亚烷基化合物。