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Fourier transform infrared analysis of poly(ester-urethanes) at low temperature in-situ by using a newly constructed liquid nitrogen cooled sample stage

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<mark>Journal publication date</mark>1997
<mark>Journal</mark>Journal of Materials Science
Issue number10
Volume32
Number of pages5
Pages (from-to)2617-2621
Publication statusPublished
Original languageEnglish

Abstract

The design and use of an apparatus intended to cool samples for in-situ Fourier transform infrared (FTIR) spectroscopy study is described. Using liquid nitrogen as the cooling medium, a working sample temperature of - 165°C was achieved. The combination of the cooling stage and FTIR spectroscopy allowed us to study the hydrogen bonding in polyurethanes at very low temperatures in-situ. Experimental results in the N-H and carbonyl absorption regions as a function of temperature are compared.