Synthesis and properties of microencapsulated phase change material with a urea–formaldehyde resin shell and paraffin wax core,Journal of Applied Polymer Science

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Synthesis and properties of microencapsulated phase change material with a urea–formaldehyde resin shell and paraffin wax core
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2019-10-15 , DOI: 10.1002/app.48578
Jin‐Hua Huo ₁ , Zhi‐Gang Peng ₁ , Qian Feng ₁

Affiliation

During this study, paraffin wax with low melting point was encapsulated in a urea–formaldehyde resin to prepare a novel microencapsulated phase change material (Micro‐P6) for temperature regulation and thermal energy storage. The structure and properties of Micro‐P6 were characterized by using Fourier transform infrared spectroscopy, differential scanning calorimeter, laser particle size analyzer, thermogravimetric analysis, contact angle analysis, and scanning electron microscope. The results indicated that the chemical structure of Micro‐P6 meets the designed core–shell structure; and the paraffin wax with low melting point was successfully encapsulated by using urea–formaldehyde resin; and the Micro‐P6 shows a spherical structure and rough surface, and the average size is 8.0–10.0 μm. Then, the performances of Micro‐P6, such as core content, mechanical property, thermal conductivity and durability, were tested. Based on above characterization and performance test, it was indicated that the synthesized Micro‐P6 could be used in the field of cementing and construction for temperature regulation and thermal energy storage. The applications of Micro‐P6 in the field of cementing and construction will be completed in our next study. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48578.

中文翻译：

脲醛树脂壳和石蜡蜡芯微囊化相变材料的合成与性能

在这项研究中，将低熔点的石蜡包封在脲醛树脂中，以制备用于温度调节和热能存储的新型微囊化相变材料（Micro-P6）。通过使用傅立叶变换红外光谱仪，差示扫描量热仪，激光粒度分析仪，热重分析，接触角分析和扫描电子显微镜对Micro-P6的结构和性能进行了表征。结果表明，Micro-P6的化学结构符合设计的核-壳结构。用脲醛树脂成功包裹了低熔点石蜡。Micro-P6具有球形结构和粗糙表面，平均尺寸为8.0-10.0μm。然后，介绍Micro-P6的性能，例如核心内容，测试了机械性能，导热性和耐久性。基于上述表征和性能测试，表明合成的Micro-P6可用于固井和建筑领域中的温度调节和热能存储。Micro-P6在固井和建筑领域的应用将在我们的下一个研究中完成。分级为4 +©2019 Wiley Periodicals，Inc.J.Appl。Polym。科学分级为4 +©2019 Wiley Periodicals，Inc.J.Appl。Polym。科学分级为4 +©2019 Wiley Periodicals，Inc.J.Appl。Polym。科学2020，137，48578。

更新日期：2020-01-21

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