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Thermal conductivity analysis of a new sub-micron sized polystyrene foam.
- Source :
- Journal of Cellular Plastics; Jul2021, Vol. 57 Issue 4, p493-515, 23p
- Publication Year :
- 2021
-
Abstract
- New polystyrene (PS) foams with submicron pore sizes and open pore structure are introduced as potential cores for vacuum insulation panels (VIPs). Measurements of the thermal conductivity λ of the air-filled and evacuated PS foams, the influence of temperature T, opacifiers as well as gas pressure p on the thermal conductivity λ are presented. First results of the foam microstructures, as visualized by electron microscopy, confirm that pore sizes below 1 µm can be achieved. Thermal conductivity values of advanced samples in vacuum of about 7 mW/(m·K) were measured. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0021955X
- Volume :
- 57
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Journal of Cellular Plastics
- Publication Type :
- Academic Journal
- Accession number :
- 151233284
- Full Text :
- https://doi.org/10.1177/0021955X20943101