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In recent years, with the rapid development of the construction industry , building energy consumption in connection with consequential increasing , and how they can be a function of the latent heat of phase change materials and construction matrix material composite , and applied to the building envelope , reach effectively increase the performance of the building 's heat storage , reduce the indoor temperature fluctuations , and the purpose of improving comfort , reduce energy use of the building heating or air conditioning , building energy efficiency , has a very important significance . Firstly, as a means of interfacial polymerization legally , through the preparation of microcapsules phase change material , its thermal analysis . The method of the microcapsules building gypsum phase composite , prepared on the basis of the green material widely used as construction gypsum , gypsum-based phase change energy storage composite . A scanning electron microscope (SEM), differential scanning calorimetry (DSC) and thermogravimetry (TG) of this composite material , were carried out morphology , reservoir (put) the heat capacity , durability, and the thermal property test . The results show that , mainly gypsum-based , adding appropriate microencapsulated phase change material has suitable phase transition temperature and reservoir ( put ) heat capacity and good thermal stability . Second, paraffin phase change material , using the immersion method combined with architectural plaster , experimental research the best soaked conditions , preparation of gypsum-based composite phase change energy storage . Through research and test its performance , the type of gypsum-based phase change materials , suitable phase transition temperature and the storage ( put ) heat capacity , but poor durability cycle phase transition occurred seepage leakage , is not conducive to the application in practice . Finally , prepared in order to test the effect of gypsum-based phase change energy storage material of the actual storage , select microcapsules incorporated into the composite material prepared by the gypsum object of study, a gypsum board made ??in the storage test under simulated environmental conditions . The results showed that the phase change energy storage developed gypsum board has better energy storage effect . Combined with the case of the simulation experiment , the phase change energy storage gypsum board is made ??in the actual use optimization measures.
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