FIELD: technological processes.
SUBSTANCE: invention relates to subsequent processing of plaster gypsum β-semihydrates. Method for production of powder stabilised gypsum plaster β-semihydrate, including moistening of calcinated β-semihydrate with addition of retarder.
EFFECT: stable crystalline structure, reduction of final water consumption without deterioration of mechanical properties.
29 cl, 2 dwg
Title | Year | Author | Number |
---|---|---|---|
DOUBLE SALT AS A POWERFUL PRIMARY TENSIDE FOR CALCIUM SULFATE MIXTURES CONTAINING PROCESSED GYPSUM | 2018 |
|
RU2784833C2 |
DOUBLE SALT AS POWERFUL PRIMARY TENSIDE FOR CALCIUM SULFATE MIXTURES CONTAINING RECYCLED GYPSUM | 2018 |
|
RU2772859C2 |
METHOD OF PRODUCING MIXTURE OF VERY LOW CONSISTENCY ALPHA AND BETA GYPSUM PLASTER | 2007 |
|
RU2458014C2 |
GYPSUM-CONTAINING CONSTRUCTION MATERIALS | 2012 |
|
RU2608834C2 |
METHOD OF MODIFYING BETA STUCCO WITH DIETHYLENE-TRIAMINE-PENTAACETIC ACID | 2013 |
|
RU2599398C2 |
METHOD FOR PRODUCING GYPSUM PLASTERBOARD AND GYPSUM PLASTERBOARD PRODUCED THEREBY | 2015 |
|
RU2681780C2 |
METHOD FOR PRODUCING GYPSUM PLASTERBOARD AND GYPSUM PLASTERBOARD OBTAINED THEREBY | 2014 |
|
RU2693688C2 |
MODIFIERS FOR GYPSUM SUSPENSIONS AND METHOD OF THEIR APPLICATION | 2006 |
|
RU2416581C2 |
GYPSUM PRODUCTS USING DISPERSANT WITH TWO REPEATING ELEMENTARY UNITS, AND PREPARATION METHOD THEREOF | 2006 |
|
RU2420471C2 |
LIGHT-WEIGHT GYPSUM BOARD WITH IMPROVED STRENGTH AND METHOD FOR MAKING SAME | 2014 |
|
RU2668581C2 |
Authors
Dates
2016-08-20—Published
2013-06-05—Filed