Morphology, thermal, and mechanical properties of κ-aluminum oxide/CTBN/epoxy nanocomposites

被引：0
|
作者：
Cheng-Ho Chen
Jian-Yuan Jian
Fu-Su Yen
机构：
[1] Southern Taiwan University of Science and Technology,Department of Chemical and Materials Engineering
[2] National Cheng-Kung University,Department of Resources Engineering
来源：
Polymer Bulletin | 2021年 / 78卷
关键词：
Epoxy nanocomposite; Carboxyl-terminated butadiene-acrylonitrile; κ-Aluminum oxide nanosheets;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, novel κ-aluminum oxide (κ-Al2O3) nanosheets and carboxyl-terminated butadiene-acrylonitrile (CTBN) liquid rubber were homogeneously mixed in epoxy resin solution by a homogenizer with a high shear force. Then, κ-Al2O3/CTBN/epoxy nanocomposites were fabricated by a stepwise thermal curing process. The dispersion of κ-Al2O3 nanosheets in the CTBN/epoxy blend was examined by a transmission electron microscopy. The effects of κ-Al2O3 nanosheets on the thermal, tensile, and morphological properties of κ-Al2O3/CTBN/epoxy nanocomposites were systematically studied. Results indicated that κ-Al2O3 nanosheets can effectively increase both the tensile modulus and elongation at break of κ-Al2O3/CTBN/epoxy nanocomposites. Meanwhile, the optimized properties were observed when 5 phr of κ-Al2O3 nanosheets were added. The thermal stability (Td5%) and glass transition temperatures (Tg) of κ-Al2O3/CTBN/epoxy nanocomposites were also higher than those of CTBN/epoxy blend. According to experimental results, the κ-Al2O3 nanosheets can be considered as suitable and effective as a reinforcing material for epoxy resin or other polymers.
引用
收藏
页码：3821 / 3834
页数：13
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