FIELD: chemistry.
SUBSTANCE: invention relates to products based on calcium sulphate. A method of producing a product based on calcium sulfate comprises the following steps: preparing a slurry stucco, stucco mixture comprising water and at least one phosphate additive; maintaining the stucco mixture to hydration and curing, wherein the phosphate additive is provided in an aqueous solution and is present in an amount of at least 2 wt % of the dry suspension.
EFFECT: technical result is improved fire-resistance.
12 cl, 4 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| FIRE-RESISTANT GYPSUM PANEL WITH LOW WEIGHT AND DENSITY | 2012 |
|
RU2651684C1 |
| FIRE-RESISTANT GYPSUM PANEL WITH LOW WEIGHT AND DENSITY | 2012 |
|
RU2596024C2 |
| GYPSUM COMPOSITIONS OF IMPROVED RESISTANCE TO PERMANENT DEFORMATION | 2001 |
|
RU2323188C2 |
| CALCIUM SULPHATE-BASED PRODUCTS | 2013 |
|
RU2651673C2 |
| GYPSUM PRODUCTS WITH HIGH-EFFICIENT HEAT-ABSORBING ADDITIVES | 2013 |
|
RU2628347C2 |
| CALCIUM SULPHATE-BASED PRODUCTS WITH INCREASED WATER RESISTANCE | 2010 |
|
RU2543008C2 |
| LIGHT, GYPSUM PANELS WITH REDUCED DENSITY AND INSTALLED DEGREE OF FIRE RESISTANCE | 2018 |
|
RU2700540C2 |
| GYPSIFEROUS PRODUCT HAVING ELEVATED RESISTANCE TO RESIDUAL DEFORMATION, METHOD AND COMPOSITION FOR PRODUCTION THEREOF | 1998 |
|
RU2215708C2 |
| LIGHTWEIGHT GYPSUM BOARDS WITH REDUCED DENSITY AND INSTALLED FIRE RESISTANCE DEGREE | 2012 |
|
RU2558057C2 |
| GYPSUM SUSPENSIONS WITH DISPERSANTS BASED ON LINEAR POLYCARBOXYLATES | 2017 |
|
RU2741592C2 |
