FIELD: additives for cement.
SUBSTANCE: additive contains copolymer or its salt obtained through neutralization of copolymer by alkali agent; copolymer is obtained through copolymerization of mixture of monomers including monomer presented by chemical formula 1, monomer presented by chemical formula 2 and reactive surfactant - active agent presented by chemical formula 3. Specification describes method of preparation of additive and cement composition containing such additive.
EFFECT: retaining of composition fluidity; avoidance of fluidity with passage of time; obtaining required degree of air entrainment of composition.
13 cl, 2 tbl, 7 ex
Title | Year | Author | Number |
---|---|---|---|
FORMULATION AND USING IT | 2010 |
|
RU2550359C2 |
DISPERSANT | 2011 |
|
RU2567258C2 |
DYNAMIC COPOLYMERS FOR PRESERVATION OF PLACEABILITY OF CEMENT COMPOSITIONS | 2009 |
|
RU2515964C2 |
COPOLYMER SYNTHESIS PROCESS | 2009 |
|
RU2505547C2 |
GYPSUM SLURRY COMPRISING DISPERSANT | 2011 |
|
RU2592279C2 |
ADDITIVE FOR IMPROVEMENT OF RHEOLOGICAL PROPERTIES OF INORGANIC BINDING SUBSTANCES | 2014 |
|
RU2689166C1 |
CONCRETE AND MORTAR ADDITIVE | 2006 |
|
RU2390530C2 |
ADDITIVE FOR HYDRAULIC COMPOSITION | 2018 |
|
RU2751669C2 |
DISPERSANTS | 2004 |
|
RU2337080C2 |
HYDRAULIC COMPOSITION | 2013 |
|
RU2613372C2 |
Authors
Dates
2007-01-10—Published
2003-06-26—Filed