The Extrapolation Method for Hyper Differential Scanning Calorimetry

Peng Liu; Cai Qin Gu; Qing Zhu Zeng; Hao Huai Liu

doi:10.4028/www.scientific.net/AMR.554-556.1994

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556The Extrapolation Method for Hyper Differential...

The Extrapolation Method for Hyper Differential Scanning Calorimetry

Abstract:

In order to eliminate the temperature lag effect and obtain the accurate temperature results from hyper differential scanning calorimetry (Hyper-DSC) operated at high heating rate, an adjustable method, namely “Extrapolation Method”, had been introduced by us in former papers. And in this paper, we wanted to support the accuracy of this method by other instruments. Specifically, the extrapolated glass transition temperatures (Tg, 61.5 °C) of PLA film, which was obtained by Hyper-DSC, was close to the value detected directly by normal DSC (62.0 °C). And the extrapolated Tg of waxy starch film (59.7 °C for 8.7% moisture content, and 57.2 °C for 11.2% moisture content) was close to the values detected by modulated temperature DSC (MT-DSC) (63.6 °C and 56.8 °C correspondingly). Consequently, these experimental results support that the “Extrapolation Method” is a feasible way to eliminate temperature lag effect for Hyper-DSC.

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Advanced Materials Research (Volumes 554-556)

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1994-1998

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https://doi.org/10.4028/www.scientific.net/AMR.554-556.1994

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July 2012

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Peng Liu*, Cai Qin Gu, Qing Zhu Zeng, Hao Huai Liu

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Extrapolation Method, Hyper-DSC, MT-DSC

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