Fly Ash as an Eco-Friendly Filler for Rigid Polyurethane Foams Modification

There is currently a growing demand for more effective thermal insulation materials with the best performance properties. This research paper presents the investigation results on the influence of two types of filler on the structure and properties of rigid polyurethane foam composites. Fly ash as a...

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Bibliographic Details
Published in:Materials 2021-11, Vol.14 (21), p.6604
Main Authors: Kuźnia, Monika, Magiera, Anna, Zygmunt-Kowalska, Beata, Kaczorek-Chrobak, Katarzyna, Pielichowska, Kinga, Szatkowski, Piotr, Benko, Aleksandra, Ziąbka, Magdalena, Jerzak, Wojciech
Format: Article
Language:English
Subjects:
Cellular structure
Coal
Composite materials
Environmental impact
Fillers
Fly ash
Mechanical properties
Microspheres
Morphology
Particle size
Plastic foam
Polymers
Polyurethane foam
Power plants
Scientific papers
Thermal analysis
Thermal insulation
Thermal stability
Thermodynamic properties
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Summary:There is currently a growing demand for more effective thermal insulation materials with the best performance properties. This research paper presents the investigation results on the influence of two types of filler on the structure and properties of rigid polyurethane foam composites. Fly ash as a product of coal combustion in power plants and microspheres of 5, 10, 15, and 20 wt.%, were used as rigid polyurethane foams modifiers. The results of thermal analysis, mechanical properties testing, and cellular structure investigation performed for polyurethane composites show that the addition of fly ash, up to 10 wt.%, significantly improved the majority of the tested parameters. The use of up to 20 wt.% of microspheres improves the mechanical and thermal properties and thermal stability of rigid polyurethane foams.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma14216604