Direct experimental proof was obtained that 1,2,4,5-tetrachlorobenzene is soluble in solid and fused high-density polyethylene. It was shown that the shapes of semi-crystalline-polymer—low-molecularmass-crystalline-compound phase diagrams obtained using DSC were independent of whether the system was considered to be a mixture of two crystalline compounds or a liquid with a crystalline compound. In contrast with mixtures of low-molecular-mass crystalline compounds that form eutectic mixtures of strictly defined compositions, mixtures of the polymer and low-molecular-mass compound were characterized by a certain range of compositions in which both components crystallized simultaneously.
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Notes
It was shown [1] that such a delay was sufficient to obtain a homogeneous mixture. The validity of this conclusion was
confirmed in our experiments by the fact that the crystallization exotherms of the mixtures after the first and second
melting were identical.
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The work was sponsored by Russian Foundation for Basic Research Grant No. 14-33-50680.
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Translated from Khimicheskie Volokna, No. 6, pp. 22–28, November—December, 2015.
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Antina, L.A., Kudryavtsev, Y.V., Lebedeva, T.N. et al. Phase Diagrams of High-Density-Polyethylene—1,2,4,5-Tetrachlorobenzene Mixtures According to DSC Data. Fibre Chem 47, 446–452 (2016). https://doi.org/10.1007/s10692-016-9711-8
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DOI: https://doi.org/10.1007/s10692-016-9711-8