High-density polyethylene as phase-change material: Long-term stability and aging
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in: Polymer Testing, Jahrgang 76.2019, Nr. July, 10.04.2019, S. 433-442.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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TY - JOUR
T1 - High-density polyethylene as phase-change material: Long-term stability and aging
AU - Weingrill, Helena
AU - Resch-Fauster, Katharina
AU - Lucyshyn, Thomas
AU - Zauner, Christoph
PY - 2019/4/10
Y1 - 2019/4/10
N2 - Bulky high-density polyethylene (HDPE) specimens containing different stabilization systems are exposed in air for up to 7200 h in the melt state to investigate the HDPE's applicability as phase change material (PCM). Their thermo-oxidative stability is investigated. The maintenance of the storage capacity (heat of fusion) and the HDPE's degradation behavior is monitored via Differential Scanning Calorimetry (DSC). Different aging phenomena of the thermo-oxidative exposure are investigated in more detail by means of Fourier-transform infrared spectroscopy (FTIR) and polarized light microscopy (PLM). Only a small loss in the storage capacity upon thermo-oxidative exposure is detected. Therefore, HDPE proves to be a candidate material for polymeric PCM.
AB - Bulky high-density polyethylene (HDPE) specimens containing different stabilization systems are exposed in air for up to 7200 h in the melt state to investigate the HDPE's applicability as phase change material (PCM). Their thermo-oxidative stability is investigated. The maintenance of the storage capacity (heat of fusion) and the HDPE's degradation behavior is monitored via Differential Scanning Calorimetry (DSC). Different aging phenomena of the thermo-oxidative exposure are investigated in more detail by means of Fourier-transform infrared spectroscopy (FTIR) and polarized light microscopy (PLM). Only a small loss in the storage capacity upon thermo-oxidative exposure is detected. Therefore, HDPE proves to be a candidate material for polymeric PCM.
KW - Aging
KW - latent heat storage
KW - PCM
KW - phase change material
KW - polyethylene
KW - thermo-oxidative stability
UR - http://www.scopus.com/inward/record.url?scp=85064140366&partnerID=8YFLogxK
U2 - 10.1016/j.polymertesting.2019.04.009
DO - 10.1016/j.polymertesting.2019.04.009
M3 - Article
VL - 76.2019
SP - 433
EP - 442
JO - Polymer Testing
JF - Polymer Testing
SN - 0142-9418
IS - July
ER -
