DEFOAMING AGENT FOR HYDRAULIC COMPOSITION, AND HYDRAULIC COMPOSITION

• Main Authors: TAMAKI Shinji, FURUTA Akihiro, MURAMATSU Ayaka, NAITO Yuki
• Format: Patent
• Language: English; French; Japanese
• Published: 08.10.2020
• 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. Grâce à la présente invention, il est possible de fournir un agent antimousse pour une composition hydraulique, ayant une compatibilité élevée avec un mélange ainsi qu'une excellente capacité de démoussage et une excellente stabilité de mousse, et une composition hydraulique.　La présente invention concerne un agent antimousse pour une composition hydraulique, l'agent antimousse contenant un composé polyoxyalkylène spécifique contenant de l'azote. 混和剤との相溶性が高く、かつ、優れた消泡性と気泡安定性を有する水硬性組成物用消泡剤及びこれを含有する水硬性組成物を提供することができる。　特定の含窒素ポリオキシアルキレン化合物を含有する水硬性組成物用消泡剤。