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Preparation and Characterization of a Novel Polyurethane Solid-Solid Phase Change Materials

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Abstract:

A novel solid-solid phase change materials was synthesized by the two-step condensation reaction of polyethylene glycol (PEG1000), neopentyl glycol (NPG) and 4, 4-diphenylmethane diisocyanate (MDI). Polyethylene glycol (PEG1000) was used as soft segment and 4, 4-diphenylmethane diisocyanate (MDI) as hard segment. The composition, structure and phase change properties were characterized by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), thermogravimetric analyzer (TGA), polarization optical microscopy (POM) respectively. The results indicated that the PCM appeared typical solid-solid phase transition property and the phase change enthalpy and phase transition temperature reached to 120.45 J/g and 37.32°C, respectively.

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

613-617

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.613

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Cite this paper

Online since:

September 2013

Authors:

Gui Fang Wang, Dong Ying Li, Guang Ling Pei

Keywords:

Phase Change Materials (PCM), Polyethylene Glycol, Polyurethane (PU)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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