| 过氧化苯甲酰对偶氮二甲酰胺在硅橡胶中发泡行为的影响 |
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| 引用本文： | 赵祺,张长生,芦艾.过氧化苯甲酰对偶氮二甲酰胺在硅橡胶中发泡行为的影响[J].机械工程材料,2009(8). |
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| 作者姓名： | 赵祺 张长生 芦艾 |
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| 作者单位： | 中国工程物理研究院化工材料研究所; |
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| 摘 要： | 以偶氮二甲酰胺(AC)为发泡剂、尿素为发泡助剂、过氧化苯甲酰(BPO)为硫化剂,通过化学发泡方法制备了硅橡胶泡沫材料;使用发泡流变仪研究了发泡剂AC在硅橡胶中的发泡性能,使用SEM、电子万能材料试验机分析了泡沫材料的泡孔结构和拉伸性能。结果表明:在一定温度下,发泡速率与硫化速率可较好地匹配,得到不同泡孔结构的硅橡胶泡沫材料;增加发泡剂AC用量,可提高胶料的发泡率,当其用量为8份时(100份硅橡胶),泡沫材料具有较好的拉伸性能。
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| 关 键 词： | 偶氮二甲酰胺 硅橡胶 泡沫 发泡 过氧化苯甲酰 |
Effect of Benzoyl Peroxide on Blowing Behavior of Azobisformamide in Silicon Rubber |
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| ZHAO Qi,ZHANG Chang-sheng,LU Ai.Effect of Benzoyl Peroxide on Blowing Behavior of Azobisformamide in Silicon Rubber[J].Materials For Mechanical Engineering,2009(8). |
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| Authors: | ZHAO Qi ZHANG Chang-sheng LU Ai |
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| Affiliation: | ZHAO Qi,ZHANG Chang-sheng,LU Ai(Institute of Chemical Materials,CAEP,Mianyang 621900,China) |
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| Abstract: | Silicon rubber foam was prepared by chemical blowing method using azobisformamide(AC) as blowing,agent urea as blowing promoter,and benzoyl peroxide(BPO) as cure agent.The rheological properties of blowing agent AC in silicon rubber were investigated by blowing rheometer.The cell structure and tensile properties of the foam were analyzed by means of SEM and electronic universal tester.The results show that the silicon rubber foam with different cell structures could be obtained.The blowing rate and vulcaniz... |
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| Keywords: | azobisformamide silicon rubber foam blowing benzoyl peroxide |
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