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Preparation and thermal properties of form stable paraffin phase change material encapsulation

机译：形态稳定的石蜡相变材料包封的制备及热性能

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摘要

Paraffin waxes are cheap and have moderate thermal energy storage density but low thermal conductivity and, hence, require large surface area to be used in energy storage. Form stable paraffin phase change materials (PCM) in which paraffin serves as a latent heat storage material and polyolefins act as a supporting material, because of paraffin leakage, are required to be improved. The form stable paraffin PCM in the present paper was encapsulated in an inorganic silica gel polymer successfully by in situ polymerization. The differential scanning calorimeter (DSC) was used to measure its thermal properties. At the same time, the Washburn equation, which measures the wetting properties of powder materials, was used to test the hydrophilic-lipophilic properties of the PCMs. The result indicated that the enthalpy of the microen-capsulated PCMs was reduced little, while their hydrophilic properties were enhanced largely.
机译：石蜡是便宜的并且具有适中的热能存储密度，但是热导率低，因此需要大的表面积用于能量存储。由于石蜡泄漏，需要改进形成稳定的石蜡相变材料（PCM），其中石蜡用作潜热存储材料，而聚烯烃用作支撑材料。通过原位聚合，成功地将本文中形成的形态稳定的石蜡PCM封装在无机硅胶聚合物中。差示扫描量热仪（DSC）用于测量其热性能。同时，使用Washburn方程（用于测量粉末材料的润湿性）来测试PCM的亲水亲脂性。结果表明，微囊化的PCM的焓几乎没有降低，而它们的亲水性却大大提高了。

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