Phase diagram of the high-density polyethylene-1,2,4,5-tetrachlorobenzene mixtureстатья
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Дата последнего поиска статьи во внешних источниках: 24 мая 2017 г.
Аннотация:The full phase diagram of a high-density polyethylene-1,2,4,5-tetrachlorobenzene (TeCB) mixture, which includes the solubility curve of TeCB in the polymer, is constructed for the first time by the optical method. It is shown that TeCB crystals are dissolved in polyethylene via vapor phase mechanism on heating, which leads to the polymer amorphization. The eutectic mixture composition corresponds to the situation when the crystallization of TeCB out of its solution in polyethylene is accompanied by the crystallization of elementary units of macromolecules. As a result, the polymer acquires a gel structure with crystallites as crosslinks and amorphous regions saturated with TeCB.