聚二乙烯/氧化锌纳米复合材料的一锅式微波辅助可逆热致变色方法

IF 0.7 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of metals, materials and minerals Pub Date : 2024-06-04 DOI:10.55713/jmmm.v34i2.1922
Chanita Khanantong, Thanutpon Srinopkun, Thitirut Boonmak, J. Siriboon
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引用次数: 0

摘要

本研究介绍了一种制备可逆聚(PCDA/ZnO)纳米复合材料热致变色的新技术。我们的制备工艺是溶液混合法,它以微波合成时间代替了超声波浴或搅拌器。在溶液混合法中,水介质中乙醇分子的存在会引起偶极极化。此外,ZnO 中渗出的 Zn2+ 也会产生离子极化。这些因素会根据聚 PCDA/ZnO 纳米复合材料的热致变色特性影响其形状。通过紫外可见吸收光谱测定了聚(PCDA/ZnO)纳米复合材料的光学特性。扫描电子显微镜观察了该纳米复合材料的形貌,X 射线衍射研究了其结晶度。红外光谱证实了内链之间的相互作用。此外,还制备了嵌入 PVA 的聚 PCDA/ZnO 纳米复合材料。聚(PCDA/ZnO)纳米复合材料的可逆变色特性表明,随着微波合成时间的延长,其变色温度会升高。这是了解微波合成时间对聚 PCDA/ZnO 纳米复合材料形态和可逆热致变色性能影响的一个重要观察结果。
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One-pot microwave-assisted approach of polydiacetylene/zinc oxide nanocomposite for reversible thermochromic
This study introduces a new technique to fabricate the reversible poly(PCDA/ZnO) nanocomposites thermochromism. Our preparation process is the solution-mixing method, which is supported by microwave synthesis time instead of ultrasonic bath or stirrer. The presence of ethanol molecules in aqueous media in the solution-mixing method induces dipolar polarization. In addition, the presence of Zn2+ leaking out of the ZnO can produce ionic polarization. These factors affect the shape of poly(PCDA/ZnO) nanocomposites based on their thermochromic properties. The optical properties of poly(PCDA/ZnO) nanocomposite were determined through UV-Vis absorption spectroscopy. The morphology of this nanocomposite was examined by scanning electron microscopy, and its crystallinity was investigated by X-ray diffraction. The inter-intrachain interaction was confirmed by infrared spectroscopy. In addition, the poly(PCDA/ZnO) nanocomposite embedding PVA was prepared. The reversible theromochromic properties of poly(PCDA/ZnO) nanocomposites demonstrated a higher color transition temperature with increasing microwave synthesis time. It is an important observation to understand the effect of microwave synthesis time on the morphology and reversible thermochromism of the poly(PCDA/ZnO) nanocomposite
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来源期刊
Journal of metals, materials and minerals
Journal of metals, materials and minerals MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
1.40
自引率
11.10%
发文量
0
期刊介绍: Journal of Metals, Materials and Minerals (JMMM) is a double-blind peer-reviewed international journal published 4 issues per year (starting from 2019), in March, June, September, and December, aims at disseminating advanced knowledge in the fields to academia, professionals and industrialists. JMMM publishes original research articles as well as review articles related to research and development in science, technology and engineering of metals, materials and minerals, including composite & hybrid materials, concrete and cement-based systems, ceramics, glass, refractory, semiconductors, polymeric & polymer-based materials, conventional & technical textiles, nanomaterials, thin films, biomaterials, and functional materials.
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