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材料研究学报  2012, Vol. 26 Issue (5): 456-460    
  研究论文 本期目录 | 过刊浏览 |
有机蒙脱土/介孔分子筛协同膨胀型阻燃剂阻燃聚丙烯的性能
米龙, 王娜, 张静, 李旭日, 方庆红
沈阳化工大学材料科学与工程学院 沈阳 110142
Synergistic Effect of OMMT/Mesoporous MCM–41 on Intumescent Flame Retardant Polypropylene
MI Long, WANG Na, ZHANG Jing, LI Xuri, FANG Qinghong
School of Material Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142
引用本文:

米龙, 王娜, 张静, 李旭日, 方庆红. 有机蒙脱土/介孔分子筛协同膨胀型阻燃剂阻燃聚丙烯的性能[J]. 材料研究学报, 2012, 26(5): 456-460.
. Synergistic Effect of OMMT/Mesoporous MCM–41 on Intumescent Flame Retardant Polypropylene[J]. Chinese Journal of Materials Research, 2012, 26(5): 456-460.

全文: PDF(821 KB)  
摘要: 

用熔融共混法制备了多种不同配比的聚丙烯(PP)/膨胀型阻燃剂(IFR)/有机蒙脱土(OMMT)/介孔分子筛(MCM--41)纳米复合材料, 研究了具有纳米片层结构OMMT与同时具有纳米球形颗粒与纳米六方孔道的MCM--41及其不同的添加量与IFR复配对PP基纳米复合材料性能的影响。结果表明: OMMT、MCM--41与IFR在PP中具有良好的协同作用, 当OMMT/MCM--41混合填料比例为1:1时, PP基纳米复合材料的拉伸强度及冲击强度均达到最大值, 氧指数达到34.2, 比纯PP(氧指数17.0)提高了50%, 垂直燃烧等级达到V--0级, 耐热分解温度得到提高。

关键词 有机高分子材料膨胀型阻燃剂IFR有机蒙脱土介孔分子筛MCM--41    
Abstract

Different proportional polypropylene (PP)/intumescent flame retardant (IFR)/organic montmorillonite (OMMT)/MCM–41 (without template) nano–composites were obtained by the melting method. Effect of nano–layered OMMT and dual nano–structured MCM–41 (with nano–sized spherical particle and nano–sized hexagonal channel) on the properties of polypropylene composites was investigated. The results show that the flame retardancy properties of PP matrix can be improved obviously  with the  combination of OMMT, MCM–41 and IFR. A synergistic effect in flame retardancy is best when the ratio of OMMT/MCM–41 was 1:1. The tensile strength and impact strength reached the maximum, meanwhile, the LOI value was 34.2 and increased by 50% compared with pure PP. Furthermore the UL–94 rating rose to V–0 and the thermal stability was improved significantly compared with that of PP/IFR composite.

Key wordsorganic polymer materials    intumescent flame retardant    organic montmorillonite    MCM–41
收稿日期: 2012-06-11     
ZTFLH:  TB324  
基金资助:

国家自然科学基金51103086和51173110, 辽宁省高等学校杰出青年学者成长计划LJQ2011040, 中国博士后科学基金2012M510922资助项目。

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