Mechanical properties and flame-retardant of PP/MRP/Mg(OH)2/Al(OH)3 composites

被引：46
|
作者：
Liang, J. Z. [1 ]
Feng, J. Q. [1 ]
Tsui, C. P. [2 ]
Tang, C. Y. [2 ]
Liu, D. F. [1 ]
Zhang, S. D. [1 ]
Huang, W. F. [2 ]
机构：
[1] S China Univ Technol, Sch Mech & Automot Engn, Res Div Green Funct Mat & Equipment, Guangzhou 510640, Guangdong, Peoples R China
[2] Hong Kong Polytech Univ, Dept Ind & Syst Engn, Hong Kong, Hong Kong, Peoples R China
来源：
COMPOSITES PART B-ENGINEERING | 2015年 / 71卷
关键词：
Polymer-matrix composites (PMCs); Thermal properties; Mechanical properties; Strength; Thermal analysis; MAGNESIUM-HYDROXIDE; PP COMPOSITES; POLYPROPYLENE; BEHAVIOR;
D O I：
10.1016/j.compositesb.2014.10.054
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The flame retardant and mechanical properties of polypropylene (PP) composites filled with microencapsulated red phosphorus (MRP) and magnesium hydrate (Mg(OH)(2))/aluminum hydrate (Al(OH)(3)) were measured. It was found that the synergistic effects between the MRP and Mg(OH)(2)/Al(OH)(3) on the flame retardant and tensile properties of the composites were significant. The limit oxygen index and smoke density rank of the composites increased nonlinearly while the horizontal combustibility rate decreased nonlinearly with increasing the MRP weight fraction. The Young modulus and the tensile elongation at break increased while the tensile yield strength and tensile fracture strength decreased slightly with increasing the MRP weight fraction. Both the V-notched Izod and Charpy impact strength increased with increasing the MRP weight fraction. Moreover, the tensile yield strength of the composites estimated using an equation published previously was roughly close to the measured data. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：74 / 81
页数：8
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