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POWDER DISPERSANT COMPOSITION FOR HYDRAULIC COMPOSITION
To provide a dispersant composition for a hydraulic composition in a powder state, which is excellent in dispersibility of a hydraulic composition powder and can impart excellent kneading properties to a slurry, and to provide a powder dispersant composition for the hydraulic composition excellent in kneading properties (kneadability) of a hydraulic composition powder slurry.SOLUTION: A powder dispersant composition for a hydraulic composition comprises a copolymer having: a constitutional unit (1) represented by a specific constitutional formula (1); and a constitutional unit (2) represented by a specific constitutional formula (2), wherein a ratio of particles each having a median size of 1 μm or more and 90 μm or less and a particle diameter of 1 μm or more and 250 μm or less is 90 mass% or more and 100 mass% or less.SELECTED DRAWING: None
【課題】水硬性組成物粉体の分散性に優れ、スラリーに優れた混練性を付与することができる粉末状態の水硬性組成物用分散剤組成物を提供する。水硬性組成物粉体スラリーの混練性（練上がり性）優れた水硬性組成物用粉末分散剤組成物を提供する。【解決手段】特定の構造式（１）で表される構成単位（１）及び特定の構造式（２）で表される構成単位（２）を有する共重合体を含有する水硬性組成物用粉末分散剤組成物であって、メジアン径が１μｍ以上９０μｍ以下であり、粒径１μｍ以上２５０μｍ以下の粒子の割合が９０質量％以上１００質量％以下である、水硬性組成物用粉末分散剤組成物。【選択図】なし
POWDER DISPERSANT COMPOSITION FOR HYDRAULIC COMPOSITION
To provide a dispersant composition for a hydraulic composition in a powder state, which is excellent in dispersibility of a hydraulic composition powder and can impart excellent kneading properties to a slurry, and to provide a powder dispersant composition for the hydraulic composition excellent in kneading properties (kneadability) of a hydraulic composition powder slurry.SOLUTION: A powder dispersant composition for a hydraulic composition comprises a copolymer having: a constitutional unit (1) represented by a specific constitutional formula (1); and a constitutional unit (2) represented by a specific constitutional formula (2), wherein a ratio of particles each having a median size of 1 μm or more and 90 μm or less and a particle diameter of 1 μm or more and 250 μm or less is 90 mass% or more and 100 mass% or less.SELECTED DRAWING: None
【課題】水硬性組成物粉体の分散性に優れ、スラリーに優れた混練性を付与することができる粉末状態の水硬性組成物用分散剤組成物を提供する。水硬性組成物粉体スラリーの混練性（練上がり性）優れた水硬性組成物用粉末分散剤組成物を提供する。【解決手段】特定の構造式（１）で表される構成単位（１）及び特定の構造式（２）で表される構成単位（２）を有する共重合体を含有する水硬性組成物用粉末分散剤組成物であって、メジアン径が１μｍ以上９０μｍ以下であり、粒径１μｍ以上２５０μｍ以下の粒子の割合が９０質量％以上１００質量％以下である、水硬性組成物用粉末分散剤組成物。【選択図】なし
POWDER DISPERSANT COMPOSITION FOR HYDRAULIC COMPOSITION
水硬性組成物用粉末分散剤組成物
SHIMADA KOHEI (author) / SAGAWA KEIICHIRO (author)
2021-07-15
Patent
Electronic Resource
Japanese
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