摘要:
The present invention relates to a liquid dispersant composition for gypsum, containing (A) a particular polycarboxylic acid copolymer, a particular nitrogen-containing compound, such as a particular alkylamine, and water, and having pH of 7.0 or more and 13.0 or less at 20°C.
摘要:
The present invention provides a dispersant composition for hydraulic compositions for centrifugal molding, which contains (A) a dispersant for hydraulic powders composed of an aromatic ring-containing high-molecular compound; and (B) one or more compounds selected from specific compounds represented by the general formulas (B1) to (B4).
摘要:
The present invention provides the early strengthening agent for hydraulic composition, containing a specified compound (1), such as glycerol and at least one inorganic salt A selected from alkali metal sulfates and alkali metal thiosulfates, wherein a molar ratio of compound (1) to the inorganic salt A, compound (1)/inorganic salt A, is 5/95 to 45/55.