Development of Foam Fly Ash Geopolymer with Recycled High-Density Polyethylene (HDPE) Plastics

Adapting sustainable construction, which involves responsible consumption of natural resources and reducing carbon emissions, could be a unified action to address the intensifying effects of global warming and the increasing rate of waste pollution worldwide. Aiming to lessen the emission from the c...

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Bibliographic Details
Published in:Polymers 2023-05, Vol.15 (11), p.2413
Main Authors: Atienza, Emmanuel M, De Jesus, Richard M, Ongpeng, Jason Maximino C
Format: Article
Language:English
Subjects:
Analysis
Carbon dioxide
Caustic soda
Cement
Chemical synthesis
Climate change
Coal-fired power plants
Compressive strength
Concrete
Construction industry
Emissions
Fly ash
Foam
Geopolymers
Heat conductivity
Heat transfer
High density polyethylenes
Industrial plant emissions
Landfill
Lightweight concretes
Mechanical properties
Methods
Natural resources
Plastics
Polyethylene terephthalate
Production increases
Proteins
Scanning microscopy
Sodium
Thermal conductivity
Thermal properties
Waste materials
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Summary:Adapting sustainable construction, which involves responsible consumption of natural resources and reducing carbon emissions, could be a unified action to address the intensifying effects of global warming and the increasing rate of waste pollution worldwide. Aiming to lessen the emission from the construction and waste sector and eliminate plastics in the open environment, a foam fly ash geopolymer with recycled High-Density Polyethylene (HDPE) plastics was developed in this study. The effects of the increasing percentages of HDPE on the thermo-physicomechanical properties of foam geopolymer were investigated. The samples' measured density, compressive strength, and thermal conductivity at 0.25% and 0.50% HDPE content was 1593.96 kg/m and 1479.06 kg/m , 12.67 MPa and 7.89 MPa, and 0.352 W/mK and 0.373 W/mK, respectively. Obtained results are comparable to structural and insulating lightweight concretes with a density of less than 1600 kg/m , compressive strength of greater than 3.5 MPa, and thermal conductivity of less than 0.75 W/mK. Thus, this research concluded that the developed foam geopolymers from recycled HDPE plastics could be a sustainable alternative material and be optimized in the building and construction industry.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym15112413