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材料研究学报  2012, Vol. 26 Issue (6): 627-631    
  研究论文 本期目录 | 过刊浏览 |
尼龙6/SiO2改性MCA复合材料的阻燃性能
魏珊珊1, 姚峰1, 许向阳2, 谢翔1
1.湖南工业大学包装与材料工程学院 株洲 412007
2.中南大学资源加工与生物工程学院 长沙 410083
Flame Retardant Properties of Nylon 6/SiO2 Modified MCA Composites
WEI Shanshan1, YAO Feng1, XU Xiangyang2, XIE Xiang1
1.College of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007
2.School of Minerals Processing and Bioengineering, Central South University, Changsha 410083
引用本文:

魏珊珊 姚峰 许向阳 谢翔. 尼龙6/SiO2改性MCA复合材料的阻燃性能[J]. 材料研究学报, 2012, 26(6): 627-631.
. Flame Retardant Properties of Nylon 6/SiO2 Modified MCA Composites[J]. Chinese Journal of Materials Research, 2012, 26(6): 627-631.

全文: PDF(712 KB)  
摘要: 

在三聚氰胺氰尿酸盐(MCA)传统的合成工艺中加入SiO2溶胶, 制备改性MCA(mMCA), 再将其与尼龙6(PA 6)熔融共混制备阻燃PA 6复合材料, 研究了其阻燃性能。结果表明: 随着mMCA中SiO2含量的增加, 复合材料的极限氧指数(LOI)先增加后降低;在mMCA中引入SiO2后复合材料的自熄时间降低, 当mMCA含量(质量分数)为8%时复合材料达到UL 94 V--0自熄标准;在mMCA中引入SiO2可减少复合材料燃烧时熔滴的产生和促使无焰熔滴的形成, 改善炭层结构, 提高复合材料的阻燃性能。

关键词 复合材料尼龙6三聚氰胺氰尿酸盐阻燃性能二氧化硅    
Abstract

As a modifier, silica sol was introduced into the traditional melamine cyanurate (MCA) preparation process and therewith modified MCA (mMCA) was prepared. mMCA was blended with nylon 6 (PA 6) to prepare flame retardant PA 6 composites and the flame retardant properties were investigated. The results show that silica sol may contribute to the enhancement of flame retardant property. With the increase of silica sol content, the limited oxygen index (LOI) of PA 6/mMCA composites increase firstly
and then decrease, and the self-extinguishing time decreases. In the presence of silica sol, the amount of drippings can be reduced, the formation of non-flame dripping increases and the char structure can be improved.

Key wordscomposites    nylon 6    melamine cyanurate    flame retardant property    silica
收稿日期: 2012-09-06     
ZTFLH:  TQ332  
基金资助:

国家自然科学基金11101136, 湖南省自然科学基金10JJ5047和11JJ3054, 湖南省科技计划项目2011FJ3211和湖南省高校创新平台开放基金12K114资助项目。

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