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Phase behavior of tetradecane–hexadecane mixtures confined in SBA-15

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Abstract

Phase behavior of tetradecane–hexadecane mixtures (n-C14H30–C16H34, C14–C16) confined in SBA-15 (pore diameters 3.8, 7.8, and 17.2 nm) has been studied by differential scanning calorimetry. Phase diagram of the confined C14–C16 mixtures is greatly influenced by the pore size, which is simple compared with that for the bulk. Melting points of C14 and C16 confined in SBA-15 display a linear relation with pore size. Meanwhile, the C14–C16 mixtures have shown a similar melting behavior as pure C14 and C16. Melting temperatures of three C14–C16/SBA-15 systems have been fitted as a function of mole fraction x C16.

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Acknowledgements

The authors thank financial support from Natural Science Found of Shandong Province, China, No. ZR2010BM035.

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Authors and Affiliations

  1. College of Chemistry and Materials Science, Shandong Agricultural University, Tai’an, 271018, Shandong, China

    H. R. Pei, X. Yan & X. Z. Lan

  2. Binzhou Medical College, Yantai, 264003, Shandong, China

    W. B. Liu

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  1. H. R. Pei
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  2. X. Yan
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  3. W. B. Liu
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  4. X. Z. Lan
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Correspondence to X. Z. Lan.

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Pei, H.R., Yan, X., Liu, W.B. et al. Phase behavior of tetradecane–hexadecane mixtures confined in SBA-15. J Therm Anal Calorim 112, 961–967 (2013). https://doi.org/10.1007/s10973-012-2557-2

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