Synthesis and investigation of properties of nanoscale foam stabilizer for foam concretes with synthesized foamers Moscow State University of Civil Engineering Scientific and Educational Center “Nanotechnology” Spokesperson: Anna Grishina

Model of the “iron III hydroxide sol and sodium hydrosilicates” system

Average size of the particles in “iron III hydroxide sol and sodium hydrosilicates” system Reference system:  =0  =0.5 =1=1  =1.5

 = 0  = 0.5  = 1  = 1.5  - С = 0.17%; □ - С = 0.33%;  - С = 0.50% Viscosity of the “iron III hydroxide sol and sodium hydrosilicates” system

Viscosity of system formed by iron hydroxide sol (0.66%), sodium hydrosilicates and “PB Lux” foamer ♦ –  = 1.2; ◊ –  = 1.4; ■ –  = 1.5; ▲ –  = 1.7%; ○ –  = 1.8; ∆ –  = 1.9; □ –  = 2.0

Parameters of foams produced with «PB Lux» foamer  Parameter Parameters of foams Foaming power, % Foam stability, % Reference рН value of the nanoscale admixture α ParameterрН Note: рН of solutions are specified for 28 о С

Compressive strength of the nanoscale-modified foam concretes Strength of the developed nanoscale-modified foam concrete as a dependence from foamer content and  parameter Relative strength of the developed nanoscale- modified foam concrete as a dependence from foamer content and  parameter

Practical application of the “iron hydroxide sol and sodium hydrosilicates” system

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