Comparative characteristics of binders resistance for building composites to mold fungi

NELYUBOVA, V.V.; Строкова, В.; Vasilenko, Marina; Rykunova, Marina; Danakin, Dmitry

doi:10.1051/matecconf/201819604050

Cited by 4 publications

(1 citation statement)

References 4 publications

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“…In contrast, a fly ash-based geopolymer binder is much more vulnerable to microscopic fungal activity. Paecilomyces and Penicillium cyclopium were observed on the geopolymers during the tests [90]. These studies provided controversial results.…”

Section: Resistance To Microorganismsmentioning

confidence: 99%

Gypsum, Geopolymers, and Starch—Alternative Binders for Bio-Based Building Materials: A Review and Life-Cycle Assessment

et al. 2020

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To decrease the environmental impact of the construction industry, energy-efficient insulation materials with low embodied production energy are needed. Lime-hemp concrete is traditionally recognized as such a material; however, the drawbacks of this type of material are associated with low strength gain, high initial moisture content, and limited application. Therefore, this review article discusses alternatives to lime-hemp concrete that would achieve similar thermal properties with an equivalent or lower environmental impact. Binders such as gypsum, geopolymers, and starch are proposed as alternatives, due to their performance and low environmental impact, and available research is summarized and discussed in this paper. The summarized results show that low-density thermal insulation bio-composites with a density of 200–400 kg/m3 and thermal conductivity (λ) of 0.06–0.09 W/(m × K) can be obtained with gypsum and geopolymer binders. However, by using a starch binder it is possible to produce ecological building materials with a density of approximately 100 kg/m3 and thermal conductivity (λ) as low as 0.04 W/(m × K). In addition, a preliminary life cycle assessment was carried out to evaluate the environmental impact of reviewed bio-composites. The results indicate that such bio-composites have a low environmental impact, similar to lime-hemp concrete.

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Section: Resistance To Microorganismsmentioning

confidence: 99%

Gypsum, Geopolymers, and Starch—Alternative Binders for Bio-Based Building Materials: A Review and Life-Cycle Assessment

et al. 2020

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Features of the development of composite binders based on natural sands of Yakutia

Popov¹,

Mestnikov²,

Рожин³

2023

AIP Conference Proceedings

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Operating properties of the coating, depending on the composition during plasma-chemical modification

Bondarenko

Строкова

2019

IOP Conf. Ser.: Earth Environ. Sci.

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Compositions of protective and decorative coatings on the basis of a mixture of high alumina refractory, liquid glass and dyeing salts of metals are developed. The color of the coatings depends on the type of dyeing salt and the concentration of the aqueous solution. Data on the effect of the composition on the operational properties of vitreous coatings obtained by the method of plasma-chemical modification are presented. The increased content of aluminium and silicon oxides provides an improvement in a number of characteristics such as microhardness, heat resistance, water resistance and acid resistance, which are essential in the formation of protective and decorative coating. It is established that at the rate of plasma jet passage up to 15 mm/s a protective-decorative coating with uniform texture is formed, at the rate of plasma jet passage 20 mm/s and more the coating represents a hilly surface with separate and congested deformed drops of frozen melt.

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Comparative characteristics of binders resistance for building composites to mold fungi

Cited by 4 publications

References 4 publications

Gypsum, Geopolymers, and Starch—Alternative Binders for Bio-Based Building Materials: A Review and Life-Cycle Assessment

Gypsum, Geopolymers, and Starch—Alternative Binders for Bio-Based Building Materials: A Review and Life-Cycle Assessment

Features of the development of composite binders based on natural sands of Yakutia

Operating properties of the coating, depending on the composition during plasma-chemical modification

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