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水泥复合材料的加热性能和电气性能使用带电膜涂覆多壁碳纳米管

Jong-Gun Park¹, Dong-Ju Seo², Chang-Ho Yun²

¹Public Safety Research Center (PSRC), Konyang University, 121, Daehak-ro, Nonsan-si 32992, Republic of Korea.

Materials (Basel, Switzerland)

|June 27, 2025

概括

这项研究开发了用于增强水泥复合材料的聚乙烯二甲酸 (PET) 上的多壁碳纳米管 (MWCNT) 的导电薄膜. 结合MWCNT分散和涂层薄膜,显著改善了电气和加热性能.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
土木工程土木工程是指土木工程.

背景情况:

开发具有改进的电气和加热功能的先进水泥复合材料对于智能基础设施至关重要.
将碳纳米管等导电材料集成到建筑材料中是一个有前途的途径.

研究的目的:

在聚乙烯二甲 (PET) 薄膜上使用多壁碳纳米管 (MWCNT) 制造导电薄膜.
分析这些MWCNT涂层薄膜,结合MWCNT分散,对水泥复合材料的电气和加热性能的影响.
为了优化诸如混合方法,MWCNT度,应用电压和电极间距等参数.

主要方法:

通过条形涂层对PET薄膜均地应用MWCNT,以制造导电薄膜.
制造四组水泥复合材料,包括纯薄膜,仅涂MWCNT薄膜,仅涂MWCNT分散膜,以及混合MWCNT分散膜和涂薄膜.
使用场辐射扫描电子显微镜 (FE-SEM) 进行表征,以确认MWCNT分布和网络形成.
在不同的实验条件下评估电阻和加热性能.

主要成果:

FE-SEM证实PET薄膜上均的MWCNT分布和密集的网络形成.
使用MWCNT分散和MWCNT涂层薄膜的水泥复合材料的电阻显著降低.
综合方法显著提高了水泥复合材料的加热性能.
在MDCF-0.75样本中,在40毫米的电极间距和30V的应用电压下观察到最佳性能,显示出最低的电阻和最高的加热.

结论:

将MWCNT涂层PET薄膜与MWCNT分散相结合,提供了一种协同方法来增强水泥复合材料的性能.
这种方法有效地提高了电导率和加热能力,为功能性水泥材料铺平了道路.
该研究展示了一种可行的技术,用于创建具有量身定制的电热性能的先进水泥复合材料.

关键词:

混凝土复合材料:混凝土复合材料是混凝土复合材料.电气性能电气性能电气性能取暖性能取暖性能取暖性能多壁碳纳米管 (MWCNTs) 是一种聚乙烯四甲酸盐 (PET) 的使用

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