A Novel Solid-Solid Phase Change Material Based on Poly(styrene-co-acrylonitrile) Grafting With Palmitic Acid Copolymers
A Novel Solid-Solid Phase Change Material Based on Poly(styrene-co-acrylonitrile) Grafting With Palmitic Acid Copolymers
复制标题
一种基于棕榈酸共聚物接枝苯乙烯-丙烯腈共聚物的新型固-固相变材料
DOI：
10.1080/10601325.2015.1050633
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发表时间：
2015-06
期刊：
影响因子：
--
通讯作者：
Sen Zhang
中科院分区：
文献类型：
--
作者：
Sen Zhang
以苯乙烯-丙烯腈共聚物（SAN）和棕榈酸（PA）为原料，合成了新型固-固相变材料（SAN-g-PA）。采用傅里叶变换红外光谱（FTIR）和核磁共振（1H-NMR）对合成的SAN-g-PA的化学结构进行了表征，并采用差示扫描量热法（DSC）和热重分析（TGA）分别对其储能性能和热稳定性进行了研究。此外，还用偏光显微镜（POM）和X射线衍射仪（XRD）测定了晶体的形貌和结构。结果表明，PA分子成功地接枝到SAN上，得到了SAN-g-PA。合成的SAN-g-PA的结晶形态和晶体结构与棕榈酸和SAN不同。SAN-g-PA作为一种新型SSPCMs，具有合适的相变温度、较高的焓值和良好的热稳定性。
(SAN-g-PA) as new solid-solid phase change materials (SSPCMs) were synthesized starting from poly(styrene-co- acrylonitrile) (SAN) and palmitic acid (PA). The chemical structure of the synthesized SAN-g-PA were characterized with Fourier transform infrared (FTIR), and Nuclear Magnetic Resonance (1H-NMR), their thermal energy storage properties and thermal stability were investigated with differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), respectively. Moreover, the crystalline morphology and crystal structures were also measured with polarized optical microscopy (POM) and X-Ray Diffraction (XRD). The result shows that the PA molecule was grafted onto the SAN, SAN-g-PA were obtained successfully. The crystalline morphology and crystal structures of the synthesized SAN-g-PA are different from palmitic acid and SAN. As novel SSPCMs, SAN-g-PA possess suitable phase transition temperature, the higher enthalpy value, and good heat stability.
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