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Thermal insulation capability of PEG-containing polyurethane foams

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Yazar
Sarıer, Nihal
Önder, Emel
Türü
Article
Tarih
2008-09-15
Dil
en_US
Üst veri
Tüm öğe kaydını göster
Özet
Polyethylene glycol (PEG) compounds and mixtures have many properties that make them suitable for thermal applications in buildings, such as having high heat of fusion, phase change repeatability, chemical stability, non-corrosive behavior, and low-cost. In this study, we developed a number of PU rigid foams incorporated with three types of PEGs, as new insulation materials provided with an enhanced thermal capacity, and sought their suitability for various applications Such as layer of floor and ceiling coverings in constructions. insulations in controlled temperature transportation packaging, inner coverings of automobile seats, etc. In order to investigate the thermal properties of PEG-containing PU foams, differential scanning calorimeter (DSC) tests were conducted first. Then, a two-layer concrete-PU foam system was designed in the laboratory conditions to examine the insulation performances via using a computer-aided thermal measurement setup which was sensitive to the simulated environmental temperature changes. The PU-PEG composites produced here can be helpful for the design of thermal insulators. PUI, including 44% PEG 600, exhibited fairly efficient thermal regulation under moderate ambient temperature conditions, whereas PUII (49% PEG 1000) is suitable for temperature control in both mild and hot surroundings. PUIII, containing 53% PEG 1500, showed suitable heat storage and thermal stability characteristics. PUIV, containing 38% PEG 600/PEG 1000/PEG 1500, also confirmed good thermal and durability characteristics. The blend of three PEGs is suitable for preventing discontinuous thermal regulation when the external temperature increases or decreases. PU foams containing PEGs can be assumed to be leak-resistant, which is promising for their industrial applications. (C) 2008 Elsevier B.V. All rights reserved.
Konu
polyethylene glycol
PCM
thermal
DSC
polyurethane foam
phase-change materials
storage
wallboard
polietilen glikol
termal
poliüretan köpüğü
faz değiştiren maddeler
depolama
duvar kaplaması
Bağlantı
http://hdl.handle.net/11413/1162
https://doi.org/10.1016/j.tca.2008.06.006
Koleksiyonlar
  • Makaleler / Articles [122]
  • Scopus Publications [724]
  • WoS Publications [1016]

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İstanbul Kültür University

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Istanbul Kültür University, Ataköy Campus E5 Karayolu Üzeri Bakırköy 34158, İstanbul / TURKEY
Copyright © İstanbul Kültür University

Creative Commons Lisansı
IKU Institutional Repository, Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.

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