RU2008152934A - METHOD FOR PRODUCING WATERPROOF GYPSUM BUILDING MATERIALS - Google Patents
METHOD FOR PRODUCING WATERPROOF GYPSUM BUILDING MATERIALS Download PDFInfo
- Publication number
- RU2008152934A RU2008152934A RU2008152934/03A RU2008152934A RU2008152934A RU 2008152934 A RU2008152934 A RU 2008152934A RU 2008152934/03 A RU2008152934/03 A RU 2008152934/03A RU 2008152934 A RU2008152934 A RU 2008152934A RU 2008152934 A RU2008152934 A RU 2008152934A
- Authority
- RU
- Russia
- Prior art keywords
- strong acid
- binder
- gypsum
- building materials
- aqueous solution
- Prior art date
Links
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract 7
- 239000010440 gypsum Substances 0.000 title claims abstract 7
- 239000004566 building material Substances 0.000 title claims abstract 3
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- 239000011230 binding agent Substances 0.000 claims abstract 8
- 239000002253 acid Substances 0.000 claims abstract 6
- 239000007864 aqueous solution Substances 0.000 claims abstract 4
- 238000000034 method Methods 0.000 claims abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052791 calcium Inorganic materials 0.000 claims abstract 2
- 239000011575 calcium Substances 0.000 claims abstract 2
- 235000012241 calcium silicate Nutrition 0.000 claims abstract 2
- 238000000354 decomposition reaction Methods 0.000 claims abstract 2
- 239000000391 magnesium silicate Substances 0.000 claims abstract 2
- 235000012243 magnesium silicates Nutrition 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims abstract 2
- 150000004760 silicates Chemical group 0.000 claims abstract 2
- 239000007787 solid Substances 0.000 claims abstract 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/28—Mixtures thereof with other inorganic cementitious materials
- C04B11/30—Mixtures thereof with other inorganic cementitious materials with hydraulic cements, e.g. Portland cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
1. Способ производства водостойких гипсовых строительных материалов, включающий приготовление смеси из гипса и гидравлического вяжущего, содержащего силикаты кальция или магния и затворение водным раствором сильной кислоты, отличающийся тем, что, с целью повышения водостойкости и долговечности изделий, гидравлическое вяжущее затворяют водным раствором сильной кислоты, а полученный продукт смешивают с гипсовым вяжущим и водой. ! 2. Способ по п.1, отличающийся тем, что расход сильной кислоты выбирают так, чтобы содержание несвязанного SiO2, образовавшегося при разложении силикатов, составило 10-25% от массы твердых компонентов, образующихся при твердении вяжущего. 1. A method for the production of waterproof gypsum building materials, comprising preparing a mixture of gypsum and a hydraulic binder containing calcium or magnesium silicates and mixing with an aqueous solution of a strong acid, characterized in that, in order to increase the water resistance and durability of products, a hydraulic binder is closed with an aqueous solution of a strong acid , and the resulting product is mixed with a gypsum binder and water. ! 2. The method according to claim 1, characterized in that the consumption of strong acid is chosen so that the content of unbound SiO2 formed during the decomposition of silicates is 10-25% by weight of the solid components formed during hardening of the binder.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008152934/03A RU2413689C2 (en) | 2008-12-31 | 2008-12-31 | Method of producing water-resistant gypsum building materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008152934/03A RU2413689C2 (en) | 2008-12-31 | 2008-12-31 | Method of producing water-resistant gypsum building materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2008152934A true RU2008152934A (en) | 2010-07-10 |
| RU2413689C2 RU2413689C2 (en) | 2011-03-10 |
Family
ID=42684357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2008152934/03A RU2413689C2 (en) | 2008-12-31 | 2008-12-31 | Method of producing water-resistant gypsum building materials |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2413689C2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1447357A (en) * | 1972-10-31 | 1976-08-25 | Ici Ltd | Controlling setting of plasters |
| SU1235843A1 (en) * | 1984-12-25 | 1986-06-07 | Ленинградский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Инженерно-Строительный Институт | Method of preparing raw mixture for building artices |
| SU1706988A1 (en) * | 1988-11-05 | 1992-01-23 | Ивановский Химико-Технологический Институт | Method of making gypsum molds |
| SU1730072A1 (en) * | 1990-07-31 | 1992-04-30 | Московский химико-технологический институт им.Д.И.Менделеева | Method of producing anhydrite binder |
-
2008
- 2008-12-31 RU RU2008152934/03A patent/RU2413689C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2413689C2 (en) | 2011-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20120101 |