Improvement of thermal conductivity of rigid polyurethane foams with aluminum nitride filler
| Autor: | Meral Akkoyun, Serife Akkoyun |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Filler (packaging)
Fabrication Materials science Polymers and Plastics Organic Chemistry Composite number chemistry.chemical_element 02 engineering and technology Nitride 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences chemistry.chemical_compound Thermal conductivity chemistry Aluminium Composite material 0210 nano-technology Polyurethane |
| Zdroj: | Cellular Polymers. 40:87-98 |
| ISSN: | 1478-2421 0262-4893 |
| DOI: | 10.1177/0262489321988970 |
| Popis: | The aim of this work is the fabrication of electrically insulating composite rigid polyurethane foams with improved thermal conductivity. Therefore, this study is focused on the effect of aluminum nitride (AlN) on the thermal and electrical conductivities of rigid polyurethane foams. For this purpose, aluminum nitride/rigid polyurethane composite foams were prepared using a three-step procedure. The electrical and thermal conductivities of the foams were characterized. The thermal transitions, mechanical properties and morphology of the foams were also examined. The results reveal that AlN induces an increase of the thermal conductivity of rigid polyurethane foam of 24% which seems to be a relatively noticeable increase in polymeric foams. The low electrical conductivity of the foams is preserved. |
| Databáze: | OpenAIRE |
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