Abstract:
La presente invención proporciona un método para producir un artículo curado de una composición hidráulica, preparada al mezclar glicerol, cemento y agua, la composición hidráulica contiene un ion sulfato, el método incluye el paso 1 de preparación de la composición hidráulica tal que una proporción molar del ion sulfato al glicerol, ion sulfato/glicerol, es de 5.0 a 20 y el contenido del ion sulfato es de 3.0 a 15 partes en peso para 100 partes en peso de cemento; y el paso 2 de maduración y curación de la composición hidráulica obtenida en el paso 1.
Abstract:
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).
Abstract:
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.
Abstract:
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.
Abstract:
The present invention is a liquid dispersant composition for gypsum, which comprises (A) a specific polycarboxylic acid-containing copolymer, a specific nitrogen-containing compound such as a specific alkylamin and water, and has a pH value of 7.0 to 13.0 inclusive at 20°C.
Abstract:
La presente invención proporciona un método para producir un artículo curado de una composición hidráulica, preparada al mezclar glicerol, cemento y agua, la composición hidráulica contiene un ion sulfato, el método incluye el paso 1 de preparación de la composición hidráulica tal que una proporción molar del ion sulfato al glicerol, ion sulfato/glicerol, es de 5.0 a 20 y el contenido del ion sulfato es de 3.0 a 15 partes en peso para 100 partes en peso de cemento; y el paso 2 de maduración y curación de la composición hidráulica obtenida en el paso 1.
Abstract:
método para produzir um artigo curado de uma composição hidráulica, composição hidráulica, e utilização de uma composição hidráulica a presente invenação apresenta um método para produzir um artigo curado a partir de uma composição hidráulica, preparado por misturação de glicerol, cimento e água, a composição hidráulica contendo um íon sulfato, o método incluindo a etapa 1 para preparar a composição hidráulica, de forma que uma razão molar de íon sulfato para o glicerol, íon sulfato/glicerol, seja de 5,0 a 20, e o teor do íon sulfato seja de 3,0 a 15 partes em peso para 100 partes em peso de cimento; e a etapa 2 para envelhecer e curar a composição hidráulica obtida na etapa 1.
Abstract:
The present invention is a liquid dispersant composition for gypsum, which comprises (A) a specific polycarboxylic acid-containing copolymer, a specific nitrogen-containing compound such as a specific alkylamin and water, and has a pH value of 7.0 to 13.0 inclusive at 20°C.
Abstract:
The present invention is a liquid dispersant composition for gypsum, which comprises (A) a specific polycarboxylic acid-containing copolymer, a specific nitrogen-containing compound such as a specific alkylamin and water, and has a pH value of 7.0 to 13.0 inclusive at 20°C.