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首页> 外文期刊>Journal of Materials Science >Preparation and characterization of composites based on poly(vinylidene fluoride-co-chlorotrifluoroethylene) and carbon nanofillers: a comparative study of exfoliated graphite nanoplates and multi-walled carbon nanotubes
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Preparation and characterization of composites based on poly(vinylidene fluoride-co-chlorotrifluoroethylene) and carbon nanofillers: a comparative study of exfoliated graphite nanoplates and multi-walled carbon nanotubes

机译：基于聚（偏二氟乙烯 - 共氯二氟乙烯）和碳纳米氧化碳复合材料的复合材料的制备及表征：剥落石墨纳米板和多壁碳纳米管的比较研究

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摘要

In this work, the crystal structure, thermal conductivity, as well as dielectric and electrical properties of poly(vinylidene fluoride-co-chlorotrifluoroethylene) [P(VDF-CTFE)] filled with two different carbon nanofillers including exfoliated graphite nanoplates (xGNPs) and multi-walled carbon nanotubes (MWCNTs) have been compared. The xGNPs and the MWCNTs were well dispersed in the P(VDF-CTFE) matrix using a simple solution-blending process. The xGNPs have the ability to induce the large amount of useful polar and crystal phases for P(VDF-CTFE) via the relatively strong interfacial interaction between their functional groups and the dipoles of P(VDF-CTFE), while the MWCNTs only produce the relatively low amount of crystal phases for P(VDF-CTFE) due to their weak -dipole interactions with P(VDF-CTFE). It was found that both the electrical conductivity and dielectric properties of xGNPs/P(VDF-CTFE) composite were better than those of MWCNTs/P(VDF-CTFE) composite. The thermal conductivities of xGNPs/P(VDF-CTFE) composites were much higher when compared with those of MWCNTs/P(VDF-CTFE) composites at the same filler content, which is probably owing to the better compatibility between xGNPs and P(VDF-CTFE). For example, the thermal conductivities of xGNPs (5wt%)/P(VDF-CTFE) composite and MWCNTs (5wt%)/P(VDF-CTFE) composite were 0.83W/mK and 0.43W/mK, respectively.
机译：在该工作中，晶体结构，导热率以及聚（偏二氟乙烯 - 共氯三氟乙烯）的电介质和电性能[P（VDF-CTFE）]，其填充有两个不同的碳纳米氧化纳米蛋白（XGNP）和比较了多壁碳纳米管（MWCNT）。使用简单的溶液混合方法，XGNP和MWCNTS良好地分散在P（VDF-CTFE）基质中。 XGNP能够通过其官能团与P（VDF-CTFE）的偶联相对强的界面相互作用诱导P（VDF-CTFE）的大量有用的极性和晶相，而MWCNT仅生产对P（VDF-CTFE）的晶相相对较少的晶相，由于它们的弱 - 与P（VDF-CTFE）相互作用。发现XGNPS / P（VD​​F-CTFE）复合材料的电导率和介电性能优于MWCNT / P（VD​​F-CTFE）复合材料。与相同填料含量的MWCNT / P（VD​​F-CTFE）复合材料相比，XGNP / P（VD​​F-CTFE）复合材料的热导率远高得多，这可能是由于XGNP和P之间的较好兼容性（VDF -ctfe）。例如，XGNPS（5wt％）/ p（VDF-CTFE）复合材料和MWCNTs（5wt％）/ p（VDF-CTFE）复合材料的热导体分别为0.83W / mK和0.43W / mK。

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  • 来源
    《Journal of Materials Science》 |2019年第3期|共15页
  • 作者

    Lin Bo; Pan Li-Hong; Shi Dong-Liang; Huang Hua-Kun; He Fu-An; Lam Kwok-Ho; Wu Hui-Jun;

  • 作者单位

    Guangdong Univ Petrochem Technol Coll Chem Engn Maoming 525000 Guangdong Peoples R China;

    Guangdong Univ Petrochem Technol Coll Chem Engn Maoming 525000 Guangdong Peoples R China;

    Hong Kong Polytech Univ Dept Elect Engn Kowloon Hong Kong Peoples R China;

    Guangzhou Univ Coll Civil Engn Guangzhou 510006 Guangdong Peoples R China;

    Guangdong Univ Petrochem Technol Coll Chem Engn Maoming 525000 Guangdong Peoples R China;

    Hong Kong Polytech Univ Dept Elect Engn Kowloon Hong Kong Peoples R China;

    Guangzhou Univ Coll Civil Engn Guangzhou 510006 Guangdong Peoples R China;

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  • 正文语种 eng
  • 中图分类 工程材料学;
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