环氧树脂复合相变材料的制备和性能.pdfVIP

学兔兔 新 建筑 中国科技核心期刊 新戊二醇／环募槲脂复合相变材料硇 制备和性能 孟多，赵薇 (辽宁工业大学 土木建筑工程学院，辽宁锦州 121001) 摘要：为克服新戊二醇(NPG)饱和蒸汽压较高、易挥发的缺陷，以环氧树脂(EP)作为定形基体，通过包覆固定作用使新戊二醇 获得良好的抗挥发性，并研究了复合相变材料的表观形貌、热物性、质量损失率和热循环稳定性等。结果表明，EP能够起到对NPG 的包覆作用，显著改善NPG的质量挥发损失，且不影响NPG的相变蓄热性能；NPG／EP复合相变材料的热循环稳定性良好，可以应 用在低温建筑节能领域。 关键词：新戊二醇：环氧树脂；相变材料；建筑节能 中图分类号： rU5；TK02 文献标识码：A 文章编号：1001—702X(2014)04—0001—04 Preparation and properties of neopentyl glycol／epoxy resin composite phase change material MENG D ，ZHA0 Wei ’ (School of Civil and Architectural Engineering，Liaoning University of Technology，Jinzhou 121001，Liaoning，China) Abstract：Aimed to overcome the hi gh saturated．steam pressure and volatilization of neopentyl glycol(NPG)，epoxy resin(EP) was used as an amorphous substrate to make the NPG‘have good resistance to volatilization by encapsulating and fixing function． The micro morphology，thermo-physical pmpe~ies，mass loss rate and thermal stability and reliability performance of the NPG／EP composite PCM were examined and analyzed in details．The results indicate that EP can encapsulate the NPG SO well that the mass loss of NPG was decreased obviously．The phase—change thermal reservation properties of NPG were not influenced by EP． NPG／EP composite PCM has good thermal stability and reliability and Callbe applied in low temperature building energy conservation． Key words：neopentyl glycol：epoxy resin；phase change material；building energy conservation 相变材料作为储能载体，可以提高能源利用率、缓解能源 前景和广阔市场。但多元醇类相变材料的饱和蒸汽压较高，在 紧张的难题，具有高效、节能、环保等优点，已被广泛应用于太 较低的温度范围内即可产生挥发，造成质量损