根据纳米材料的优异阻燃性能和蒙脱土对聚合物材料的瓷化阻燃作用,提出了EPDM橡胶绝热材料新的研究方向——碳层的可瓷化.在EPDM橡胶中添加熔点较低的有机改性纳米蒙脱土后,蒙脱土在燃气流的烧蚀与冲刷作用下发生熔融,形成的黏性液体可以与裂解碳层发生物理交联,阻挡裂解气体的挥发和碳层的脱落,达到提高绝热材料抗烧蚀、抗冲刷性能和降低烟雾信号的目的.结果表明:蒙脱土与SiO2的用量比在13∶27时各项性能最优,此时,烟雾信号比未添加蒙脱土的提高约50％.
参考文献
| [1] | Lincoln D M;Vaia R A;Beown J M.Revolutionary nanocomposite materials to enable space systems in the 21 st century[A].IEEE,2000:183-192. |
| [2] | Richard A. Vaia;Gary Price;Patrick N. Ruth .Polymer/layered silicate nanocomposites as high performance ablative materials[J].Applied clay science,1999(1/2):67-92. |
| [3] | Eric K. Allcorn;Maurizio Natali;Joseph H. Koo .Ablation performance and characterization of thermoplastic polyurethane elastomer nanocomposites[J].Composites, Part A. Applied science and manufacturing,2013(2):109-118. |
| [4] | Koo J H;Ezekoye O A;Bruns M C et al.Experimental and numerical characterization of polymer nanocomposites for solid rocket motor internal insulation[R].Texas Univ.at Austin.Dept.of Mechanical Engineering,2009. |
| [5] | Joseph H. Koo;Khiet C. Nguyen;Jason C. Lee;Wai K. Ho;Morgan C. Bruns;Ofodike A. Ezekoye .Flammability Studies of a Novel Class of Thermoplastic Elastomer Nanocomposites[J].Journal of fire sciences,2010(1):49. |
| [6] | Maurizio Natali;Marco Monti;Jose Maria Kenny .A nanostructured ablative bulk molding compound: Development and characterization[J].Composites, Part A. Applied science and manufacturing,2011(9):1197-1204. |
| [7] | Maurizio Natali;Marco Monti;Debora Puglia .Ablative properties of carbon black and MWNT/phenolic composites: A comparative study[J].Composites, Part A. Applied science and manufacturing,2012(1):174-182. |
| [8] | Ignazio Blanco;Francesco Agatino Bottino;Paola Bottino .Influence of Symmetry/Asymmetry of the Nanoparticles Structure on the Thermal Stability of Polyhedral Oligomeric Silsesquioxane/Polystyrene Nanocomposites[J].Polymer Composites,2012(11):1903-1910. |
| [9] | Singh S;Guchhait P K;Bandyopadhyay G G et al.Development of polyimide-nanosilica filled EPDM based light rocket motor insulator compound:Influence of polyimide-nanosilica loading on thermal,ablation,and mechanical properties[J].Composites Part A Applied Science and Manufacturing,2012,44:8-15. |
| [10] | Hanu LG;Simon GP;Cheng YB .Thermal stability and flammability of silicone polymer composites[J].Polymer Degradation and Stability,2006(6):1373-1379. |
| [11] | 邵海彬,张其土,吴丽,王庭慰.可瓷化硅橡胶的制备与性能[J].南京工业大学学报（自然科学版）,2011(01):48-51. |
| [12] | 苏柳梅 .黏土/甲基乙烯基硅橡胶可瓷化复合材料的制备及其热稳定性研究[D].中南大学,2011. |
| [13] | 苏柳梅,樊星,尤红梅,李明曦,郑峰.硅橡胶/黏土可瓷化复合材料的热行为及微观结构[J].粉末冶金材料科学与工程,2011(06):856-863. |
| [14] | Alexander G;Chen Y B;Robert S et al.Fire-resistant silicone polymer compositions[P].US 7652090B2 |
| [15] | Zynab A1-Hassany .Ceramifiable polymer composites for fire protection application[D].皇家墨尔本理工大学,2007. |
| [16] | Goodman H;Anabelle H R L .Flame retardant polymer composiitions comprising a particulate clay mineral[P].US2006/0089444 A1 |
| [17] | Alexander G;Chen Y B;Robert S et al.Ceramifying compositon for fire protection[P].US 2007/0246240 A1 |
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