Flame retardancy and antidripping effect of OMT/PA nanocomposites

被引：37
|
作者：
Hao, XY
Gai, GS [1 ]
Liu, JP
Yang, WF
Zhang, YH
Nan, CW
机构：
[1] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[2] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
[3] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2006年 / 96卷 / 01期
基金：
中国国家自然科学基金;
关键词：
polyamide; (PA; nylon); polymer layered silicate nanocomposite (PLSN); montmorillonite (MMT); organically modified montmorrillonite (OMT); flame retardant (FR); drip;
D O I：
10.1016/j.matchemphys.2005.05.054
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The organically modified montmorrillonite (OMT) was extruded with PA6 and PA66, respectively to manufacture polymer layered silicate nanocomposite (PLSN). A set of OMT/PA66-PPO PLSN-alloys were synthesized. Flame retardancy of them was evaluated by conventional liming oxygen index (LOI) approach. Experimental results show that there is no dripping-melt when OMT/PA PLSN is burning. There is a kind of synergistic effect between OMT and traditional flame retardant (FR). LOI of 5% OMT-10% RPM/PA66 is 30.8,5% OMT-15% RPM/PA66 achieves UL94-VO. LOI of 5% MMT/PA66-PPO PLSN-alloys is 30. The flame retardancy mechanism of OMT/PA is also discussed. (c) 2005 Published by Elsevier B.V.
引用
收藏
页码：34 / 41
页数：8
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