ADDITIVE FOR MODIFICATION OF GYPSUM BINDERS, CONSTRUCTION MORTARS AND CONCRETES ON THEIR BASIS Russian patent published in 2016 - IPC C04B11/00 C04B24/24

Abstract RU 2572432 C1

FIELD: construction.

SUBSTANCE: additive for modification of gypsum binders, construction mortars and concretes on their basis contains hydrate lime, a defoamer - hydrophobic ether, hyperplasticiser and dispenser - modified polyester carboxylate powder, at the following ratio of components, wt %: hydrate lime 58-70, defoamer 9-13, hyperplasticiser 3-7, dispenser 18-22.

EFFECT: increased strength parameters, softening coefficient, density, frost resistance, reduced water absorption, considerable reduction of energy inputs for grinding.

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RU 2 572 432 C1

Authors

Efimov Petr Alekseevich

Poleshchikov Sergej Nikolaevich

Dates

2016-01-10—Published

2014-09-09—Filed