Thermal and mechanical properties of gypsum plaster mixed with expanded polystyrene and tragacanth

BİÇER, Ayşe; Kar, Filiz

doi:10.1016/j.tsep.2017.02.008

Cited by 70 publications

(34 citation statements)

References 15 publications

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“…Hence, the paper suggests the application of EPS‐aggregated and resin‐added concrete for a more sustainable approach as well as reducing building load in construction industry. Bicer and Kar mixed EPS waste with tragacanth resin to produce filling material for gypsum plaster. This plaster has low thermal conductivity and it is applied as inner plaster for building insulation and decoration.…”

Section: Application Of Eps In Construction Industrymentioning

confidence: 99%

Application of expanded polystyrene (EPS) in buildings and constructions: A review

Sulong

Mustapa

Rashid

2019

J of Applied Polymer Sci

159

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Expanded polystyrene (EPS) is one of the building material capable of enhancing the design and structural integrity of the building. Since its recognition as conventional insulating material in 1950s, EPS has been experiencing swift progress in other new implementations. Currently, EPS is utilized in many building structures owing to its sustainability benefit and improvement in terms of energy efficiency, durability, and indoor environmental quality. This article provides an overview on the application of EPS as aggregates in lightweight concrete, decorative tiles and molding, panel application (structural insulated panels (SIPs) and composite SIPs), and embankment backfilling. Also, this article attempts to describe the properties of EPS in terms of fire behavior, mechanical properties, chemical resistant, water and moisture absorption, and their toxicity to the human and environment. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47529.

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Section: Application Of Eps In Construction Industrymentioning

confidence: 99%

Application of expanded polystyrene (EPS) in buildings and constructions: A review

Sulong

Mustapa

Rashid

2019

J of Applied Polymer Sci

159

View full text Add to dashboard Cite

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“…Due to the relatively low thermal treatment temperatures and the possibility to recycle it in close loops, the gypsum binder is considered environmentally friendly as compared with other types of inorganic cements [12]. Nowadays, one of the main utilizations of gypsum binder is the production of gypsum plasterboards (dry-walls) [11,12]; another utilization of gypsum binder is to produce thermal and sound insulation materials [4,11,[13][14][15][16][17][18]. According to Dolezelova et al [10], gypsum-based light materials can be used in construction to replace autoclaved aerated concrete (AAC) and the energy consumption for the manufacture of gypsum materials is lower as compared with the one used for the manufacture of AAC.…”

Section: Introductionmentioning

confidence: 99%

“…The thermal insulation materials based on gypsum can be obtained either by its mixing with lightweight aggregates, including various waste such as expanded polystyrene [18], rubber, polyurethane foam and chopped electric cables waste [15,16], or direct foaming using various types of gas generators (aluminum sulphate with citric acid, calcium carbonate or sodium bicarbonate [4,13,14]). The thermal conductivity of this type of materials can vary from 0.085 up to 0.416 W/(m.K) depending on the nature and dosage of the additions and the assessment method [4,10,14,15].…”

Section: Introductionmentioning

confidence: 99%

Lightweight Gypsum Materials with Potential Use for Thermal Insulations

et al. 2020

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This article presents the influence of three additions i.e., hydroxyethyl methyl cellulose (HEMC), sodium bicarbonate and flue gas desulfurization (FGD) gypsum on the porosity of gypsum-based materials. The specific microstructure for a material with good thermal insulation properties i.e., numerous closed pores distributed in the binding matrix, was achieved using HEMC (0.3 wt.%) and sodium bicarbonate (0.5–2 wt.%). The addition of HEMC to the gypsum binder determines, as expected, an increase of the porosity due to its ability to stabilize entrained air. In the case of a sodium bicarbonate addition, the pores are formed in the binding matrix due to the entrapment of the gas (CO2) generated by its reaction. Sodium bicarbonate addition delays the setting of gypsum binder therefore in this study FGD gypsum (waste produced in the desulfurization process of combustion gases generated in power plants) was also added to the mixture to mitigate this negative effect. The decrease of geometrical density (up to 13%, in correlation with the additive nature and dosage) correlated with the increase of the porosity, determines, as expected, the decrease of flexural and compressive strengths (33–75%), but improves the thermal properties i.e., decreases the thermal conductivity (9–18%).

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“…Torres and Matias (2016) reported that replacing sand with residuals from brick or roof tiles or pottery in plaster mortar could result in even higher compressive and flexural strengths. Bicer and Kar (2017) showed that employing waste expanded polystyrene foam as filling materials in the plaster with resin added to the gypsum could save the building heating and cooling energy at the cost of a lower compressive strength.…”

Section: Introductionmentioning

confidence: 99%