Improved thermal stability of phenolic resin by graphene-encapsulated nano-SiO2 hybrids 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Journal of thermal analysis and calorimetry
年/卷/期
2019 / 135 / 4
页码
2377-2387
ISSN号
1388-6150
作者单位
Beijing Composite Mat Co Ltd, Beijing 102101, Peoples R China;Beijing Composite Mat Co Ltd, Beijing 102101, Peoples R China;Shandong Jianzhu Univ, Sch Mat Sci & Engn, Jinan 250000, Shandong, Peoples R China;Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China;Beijing Composite Mat Co Ltd, Beijing 102101, Peoples R China;Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China;Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China;
作者
Tian, Moufeng;Liu, Jianye;Jing, Min;Zhang, Wenbo;Liu, Jing;Ge, Heyi;Chen, Juan;
摘要
Phenolic resin (PR) modified with hybrids of reduced graphene oxide (RGO)-encapsulated nano-SiO2 (SiO2-RGO) was prepared by a simple method. The synergistic effect of RGO and nano-SiO2 was achieved in the thermal decomposition of the modified PR. Thermal stability of SiO2-RGO and the modified PR was evaluated by thermogravimetric analysis (TG). With 1 mass% loading of SiO2-RGO, the maximum decomposition temperature (T-dmax) of the modified PR was increased by 32.50 degrees C and the residual mass at 800 degrees C was increased by 6.54%. The structure of the resin char was characterized to study the mechanism of ameliorative thermal stability. SiO2-RGO hybrids were conducive to induce the PR to form graphitized carbon in the pyrolysis process. Thus, SiO2-RGO can facilitate the application of PR in the fields of heat insulation and ablation resistance.
机翻摘要
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关键词/主题词
Graphene;Nanostructures;Synergistic effect;Thermal analysis;
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