Shielding Silicate Composition of Increased Durability for Repair and Rehabilitation

Shaybadullina, Arina; Politaeva, Alena; Yakovlev, Grigory; Pervushin, Grigory

doi:10.4028/www.scientific.net/amr.1122.121

Cited by 3 publications

(4 citation statements)

References 2 publications

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“…At the same time, water from the colloids, formed during the coagulation of liquid glass, is actively removed and used for cement hydration. As a result, the pore medium gets filled with hydration products, which leads to an increase in the strength of the composition [15].…”

Section: Methodsmentioning

confidence: 99%

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Dry Mix for Facade Self-Cleaning Silicate Paint

Yakovlev

Saidova

Ginchitskaia

et al. 2023

MSF

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This paper presents the results of a study on one-component dry mix used for the preparation of silicate-based facade paint with self-cleaning properties. The advantages of the developed composition include the ease of the mix preparation and application, increased adhesion of the coating to the base, and improved aesthetic qualities of the coating provided by its ability to self-clean due to the addition of nanotitanium dioxide, which enhances photocatalysis. In the course of the research work, the optimal quantitative content of the main components and functional additives was established. Studies of the facade paint microstructure were carried out. Infrared spectral and differential thermal analysis of the composition confirmed the significant weather resistance of the facade paint, which is ensured by deep carbonization of the constituent components with their transformation into calcium carbonates, characterized by increased water resistance and chemical stability. Key words: facade coating, silicate paint, self-cleaning, photocatalysis, microstructure

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Section: Methodsmentioning

confidence: 99%

“…The composition of a two-component silicate paint including Portland cement, liquid glass, and a coagulation retarder based on sodium phosphate has been described in previous studies [15]. The pot life of this composition is determined by the content of the coagulation retarder in the composition of the mix and can range from 20 minutes to 2 hours.…”

Section: а)mentioning

confidence: 99%

Dry Mix for Facade Self-Cleaning Silicate Paint

Yakovlev

Saidova

Ginchitskaia

et al. 2023

MSF

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“…The effective absorption capacity has a typical dependence and goes up with anincrease of the conductive MWCNT fillerconcentration, whose content reached 7% of the Portland cement mass. The introduction of carbon nanotubes into the silicate material composition additionally leads to the structuring of a binding silicate matrix with the formation of a dense, strong and durable coating capable of absorbing up to 38% of the technogenic electromagnetic radiation, that is affecting buildings and structures [15].…”

Section: Experimental Partmentioning

confidence: 99%

Decorative Coating Based on Composite Cement-Silicate Matrix

Shaybadullina

Ginchitskaya

Smirnova

2018

SSP

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The designed is a cement-silicate coating based on liquid sodium glass and Portland cement, modified with a complex ultra-and nanodispersed additive that includes titanium dioxide, expanded perlite sand and a dispersion of multilayered carbon nanotubes. The advantage of the designed coating is the use of Portland cement as a silicizer instead of conventionally used zinc oxide. The presented cement-silicate coating is water resistant, steam and gas proof, has good adhesion to the base and an increased durability, providing 4-5 times longer service life than those of the existing analogs. The presence of multilayered carbon nanotubes in the coating leads to the absorption of technogenic electromagnetic emission, and ultradisperse titanium dioxide promotes self-cleaning of the coating surface due to the photocatalysis effect. Expanded pearlite sand makes the coating surface textured when applying it to the base. The cement-silicate coating is used for facades decorative finishing of buildings made of ceramic bricks, cement concrete and plastered surfaces.

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“…The effective absorption capacity has a typical dependence and increases with the growing concentration multi-walled carbon nanotubes as a conductive filler whose content reached 7% of the mass of Portland cement. Adding carbon nanotubes into the composition of the studied silicate material leads to the formation of a binding silicate matrix and a dense, strong, and durable coating absorbing up to 38% of technogenic electromagnetic radiation affecting buildings and structures [11].…”

Section: Materials and Methods Of Researchmentioning

confidence: 99%

Multifunctional decorative coatings based on cement-silicate binder

et al. 2018

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Abstract.A facade decorative coating has been developed that is based on sodium silicate and Portland cement and modified with a complex ultra-and nanodispersed admixture including titanium dioxide, expanded perlite sand, and multi-walled carbon nanotubes dispersion. The advantage of the produced coating is using Portland cement as a silicizer instead of the conventionally used zinc oxide. Adding ultra-and nanodispersed admixtures to the cement-silicate composition leads to the structural modification of the matrix of the binder composition along with the formation of a more durable coating (up to 4-5 times compared with the existing analogues) and the possibility of absorbing man-made electromagnetic radiation up to 38%. Expanded pearlite sand in the silicate coating provides a relief surface when applied on the base. The cement-silicate composition for coating facades is shown to have the following physical and technical characteristics: the viscosity measured with Viscometer-6 is 29 sec; the hydrogen index of the medium pH=12.33; the film resistance to static effect of water is 8 hr; the paint consumption for a two-layer coating is 200-400 g/m 2 ; the adhesion (the cross-cut test) is 1 point; the conventional light-fastness is 4-5 points; the frost-resistance of the silicate coating is 75 cycles. The developed facade cement-silicate coating can be applied on the surface of silicate-containing materials. The cost effectiveness of using the multifunctional protectivedecorative coating has been proved in comparison with similar compositions.

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Shielding Silicate Composition of Increased Durability for Repair and Rehabilitation

Cited by 3 publications

References 2 publications

Dry Mix for Facade Self-Cleaning Silicate Paint

Dry Mix for Facade Self-Cleaning Silicate Paint

Decorative Coating Based on Composite Cement-Silicate Matrix

Multifunctional decorative coatings based on cement-silicate binder

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