反应型有机修饰剂对环氧树脂/粘土纳米复合材料热/机械性能的影响

陈斌,裴鑫鹏,徐扬,张英

Effect of Reactive Organic Modifiers on Thermal/Mechanical Properties of Epoxy/Clay Nanocomposites

Bin CHEN,Xinpeng PEI,Yang XU,Ying ZHANG

表1 纯环氧树脂及环氧树脂/粘土纳米复合材料的拉伸和热机械性能

Table 1 Tensile and thermo-mechanical properties of neat epoxy polymer and epoxy/clay nanocomposites

Sample (mass fraction) Tensile strength/MPa Strain at break/% Modulus/MPa Tg/℃ Neat epoxy 18.36±0.47 90.33±2.01 371.66±2.62 47.99 1% B-Clay 22.70±0.21 51.00±0.81 665.33±17.98 50.14 2% B-Clay 25.23±0.23 48.50±2.50 843.50±26.81 - 3% B-Clay 28.00±0.83 40.66±1.54 1026±16.99 52.22 3.5% B-Clay 24.21±0.12 31.00±2.16 1187.5±63.36 - 1% E-Clay 21.13±0.17 45.50±0.50 755.33±15.17 49.87 2% E-Clay 29.66±0.41 41.20±1.80 858.5±19.01 - 3% E-Clay 32.40±0.73 25.50±1.50 1063.33±38.58 51.51 3.5% E-Clay 27.20±0.54 20.66±0.47 1286.66±49.21 -