FIELD: binding agents.
SUBSTANCE: invention relates to compositions comprising water-resistant gypsum binding agents containing active mineral additives including calcium, aluminum oxides and silica. The gypsum binding agent based on calcium sulfate semihydrate with mineral additive as high-calcium ash and organic additive comprises granulated high-calcium fly ash as a mineral additive obtained after combustion of solid fuel and crushed to residue on sieve 008 in the amount 5%, not above, and plasticizing agent as an organic additive, and components are taken in the following ratio, wt.-%: calcium sulfate semihydrate, 73.9-90; plasticizing agent, 1.1-2.0, and indicated fly ash, the balance. Invention provides enhancing strength and water resistance of a binding agent, decreasing cost of composition and utilizing a definite part of solid exhaust in thermal power field.
EFFECT: improved and valuable properties of binding agent.
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| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2399598C2 |
| METHOD FOR PRODUCTION OF BINDER | 1990 |
|
RU2070172C1 |
| COMPOSITION FOR THE MANUFACTURE OF WATERPROOF FACING GYPSUM PRODUCTS | 2022 |
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RU2787245C1 |
| ORGANIC MINERAL MODIFYING AGENT OF GYPSUM BINDING AGENTS, BUILDING SOLUTIONS, CONCRETES, AND PRODUCTS ON THEIR BASE | 2007 |
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RU2381191C2 |
| METHOD FOR PREPARATION OF ANHYDRITE BINDER | 2007 |
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RU2362748C1 |
| COMPOSITE HIGH-STRENGTH GYPSUM MATERIAL AND METHOD FOR ITS PRODUCTION | 2007 |
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RU2358931C2 |
| PROCESS FOR PREPARATION OF HIGH-CALCIUM FLY ASH BINDER | 0 |
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SU1818313A1 |
| ADDITIVE FOR MODIFICATION OF GYPSUM BINDERS, CONSTRUCTION MORTARS AND CONCRETES ON THEIR BASIS | 2014 |
|
RU2572432C1 |
| GYPSUM MIXTURE | 2011 |
|
RU2476402C2 |
| PLASTER BINDING | 2004 |
|
RU2252202C1 |
