Effect of modification on thermal stabilities and thermal degradation kinetics of poly(buthylmethacrylate)/multi-walled carbon nanotube nanocomposites

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Plastics, Rubber and Composites Pub Date : 2021-12-13 DOI:10.1080/14658011.2021.2015939

M. Doğan, Zeliha Gamze Ayanoğlu

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引用次数: 0

Abstract

ABSTRACT Modified multi-walled carbon nanotubes (MWCNTs) were prepared from commercially purchased MWCNTs with different chemical reactions. Nanocomposites were synthesised by the solvent casting method. The effects of functional groups, filling ratios and surfactants on thermal properties of nanocomposites were investigated. The structural, thermal and morphological properties of MWCNT and nanocomposites were investigated using Fourier transform infrared spectrophotometer, Brunauer–Emmett–Teller surface area measuring device, thermogravimetric analysis, differential scanning calorimetry and scanning electron microscopy. The novel increases in the thermal properties of poly(butylmethacrylate) (PBMA) were observed by adding MWCNT samples into a PBMA matrix. T g values of nanocomposites were higher than those of PBMA films. The data obtained from the thermograms of nanocomposites at different heating rates were analysed with Kissinger, FWO and Friedman equations. The activation energies of the nanocomposites were higher than those of PBMA films.

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改性对聚甲基丙烯酸丁酯/多壁碳纳米管复合材料热稳定性和热降解动力学的影响

摘要以市售碳纳米管为原料，通过不同的化学反应制备改性多壁碳纳米管(MWCNTs)。采用溶剂铸造法制备了纳米复合材料。研究了官能团、填充率和表面活性剂对纳米复合材料热性能的影响。采用傅里叶变换红外分光光度计、布鲁诺尔-埃米特-泰勒表面积测量仪、热重分析、差示扫描量热法和扫描电镜等研究了MWCNT及其复合材料的结构、热、形貌等性能。通过将MWCNT样品加入到PBMA基体中，观察到聚甲基丙烯酸丁酯(PBMA)的热性能有了新的提高。纳米复合材料的tg值高于PBMA薄膜。采用Kissinger、two和Friedman方程对不同升温速率下纳米复合材料的热像图数据进行了分析。纳米复合材料的活化能高于PBMA薄膜。

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来源期刊

Plastics, Rubber and Composites 工程技术-材料科学：复合

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

4 months

期刊介绍： Plastics, Rubber and Composites: Macromolecular Engineering provides an international forum for the publication of original, peer-reviewed research on the macromolecular engineering of polymeric and related materials and polymer matrix composites. Modern polymer processing is increasingly focused on macromolecular engineering: the manipulation of structure at the molecular scale to control properties and fitness for purpose of the final component. Intimately linked to this are the objectives of predicting properties in the context of an optimised design and of establishing robust processing routes and process control systems allowing the desired properties to be achieved reliably.