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High Thermal Conductivity Shape-Stabilized Phase Change Materials

机译:高导热形状稳定的相变材料

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In this paper, shape-stabilized phase change materials (PCMs) based on paraffin and thermoplastic elastomer poly(styrene-butadiene-styrene) are prepared. The shape-stabilized PCMs can keep the same shape in a solid state even when their temperature is above the melting point of the paraffin. They exhibit same phase transition characteristics as paraffin and up to 80% of the latent heat of paraffin. Thermal conductivity of the shape-stabilized PCMs is increased significantly by the introduction of expanded graphite (EG). The time for complete solidification and complete melting of the composite P(80)/S(20)/EG(3) is two ninths and two fifths of paraffin, respectively.
机译:本文制备了基于石蜡和热塑性弹性体聚(苯乙烯-丁二烯-苯乙烯)的形状稳定相变材料(PCM)。即使形状稳定的PCM的温度高于石蜡的熔点,它们也可以在固态下保持相同的形状。它们具有与石蜡相同的相变特性,并且具有高达石蜡潜热的80%。通过引入膨胀石墨(EG),形状稳定的PCM的热导率显着提高。 P(80)/ S(20)/ EG(3)复合材料完全凝固和完全熔化的时间分别为石蜡的二分之九和五分之二。

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