| 水滑石/红磷协同阻燃EVA材料的热分解特性 |
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| 引用本文： | 王正洲,焦传梅,胡克良.水滑石/红磷协同阻燃EVA材料的热分解特性[J].高分子材料科学与工程,2009(9). |
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| 作者姓名： | 王正洲 焦传梅 胡克良 |
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| 作者单位： | 同济大学材料科学与工程学院;中国科学技术大学火灾科学国家重点实验室;中国科学技术大学理化科学实验中心; |
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| 基金项目： | 国家自然科学基金资助项目(20776136); 同济大学‘985’平台资金项目、安徽高校省级自然科学研究重点项目(KJ2008A070); 河南理工大学河南省煤矿瓦斯与火灾防治重点实验室开放课题(HKLGF200701))资助项目 |
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| 摘 要： | 采用熔融共混方法制备了EVA/水滑石(LDH)/微胶囊化红磷(MRP)无卤阻燃材料,研究了LDH和MRP在乙烯与醋酸乙烯共聚物(EVA)中的阻燃协同作用,发现在EVA/LDH阻燃体系中添加适量的MRP可以显著提高体系阻燃性能,而且燃烧过程中不再有熔滴现象发生。采用TG和实时傅立叶变换红外光谱(RT-FT-IR)研究了EVA及其复合阻燃材料的热分解特性,实验发现,与EVA/LDH体系相比,EVA/LDH//MRP体系的热稳定性有所提高,MRP对EVA/LDH体系中的EVA热氧化降解具有一定的抑制作用。
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| 关 键 词： | 乙烯与醋酸乙烯共聚物 水滑石 微胶囊化红磷 无卤阻燃 热分解 |
Thermal Degradation of EVA Composites Containing Nano Hydrotalcite and Microencapsulated Red Phosphorous |
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| WANG Zheng-zhou,JIAO Chuan-mei,HU Ke-liang.Thermal Degradation of EVA Composites Containing Nano Hydrotalcite and Microencapsulated Red Phosphorous[J].Polymer Materials Science & Engineering,2009(9). |
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| Authors: | WANG Zheng-zhou JIAO Chuan-mei HU Ke-liang |
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| Affiliation: | WANG Zheng-zhou1,2,JIAO Chuan-mei2,HU Ke-liang3(1. School of Materials Science and Engineering,Tongji University,Shanghai 200092,China,2. State Key Laboratory of Fire Science,University of Science and Technology of China,3. Analysis Center for Structure and Elements,Hefei 230026,China) |
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| Abstract: | Hydrotalcites (LDH),especially one containing Mg and Al cations have been found as good flame retardants and smoke suppressants of polymers. In this study,the flame retarded ethylene vinyl acetate copolymer (EVA) composites were prepared in a melt process using nano hydrotalcite (NLDH) as a flame retardant and microencapsulated red phosphorous (MRP) as a synergist. The flame retardant properties of the EVA composites were evaluated by the limited oxygen index (LOI) and UL-94 test. It is found that there is ... |
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| Keywords: | EVA hydrotalcite microencapsulated red phosphorous halogen-free flame retardation thermal decomposition |
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