A comparative study on effects of natural and synthesised nano-clays on the fire and mechanical properties of epoxy composites

被引：77

作者：

Rajaei, M. ^{[1
]}

Kim, N. K. ^{[1
]}

Bickerton, S. ^{[1
]}

Bhattacharyya, D. ^{[1
]}

机构：

[1] Univ Auckland, Dept Mech Engn, Ctr Adv Composite Mat, Auckland, New Zealand

来源：

COMPOSITES PART B-ENGINEERING | 2019年 / 165卷

关键词：

Thermosetting resin; Nano-structures; Thermal properties; Mechanical properties; LAYERED DOUBLE HYDROXIDE; RETARDANT-MONTMORILLONITE SYNERGISM; FLAME-RETARDANT; HALLOYSITE NANOTUBES; AMMONIUM POLYPHOSPHATE; THERMAL-STABILITY; FLAMMABILITY; NANOCOMPOSITES; PERFORMANCE; FUNDAMENTALS;

D O I：

10.1016/j.compositesb.2018.11.089

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this research, two nano-clays, halloysite nano-tube (HNT) and layered double hydroxide (LDH), were employed to compare fire and mechanical properties of epoxy composites based on ammonium polyphosphate (APP) and each of the two nano-clays. The results showed that the combination of APP and nano-clay achieved a significant reduction (approx. 87%) in peak heat release rate of epoxy resin. The comparative analysis also demonstrated that the total heat release of the composite including HNT was approx. 18% lower than that of the LDH based composite. Moreover, HNT generated higher tensile properties in the composite. Overall, the HNT (similar to 1.5 USD/kg) is a more cost-effective nano-clay than LDH (similar to 180 USD/kg) to effectively improve the fire resistance and maintain the mechanical properties of epoxy composites.

引用

页码：65 / 74

页数：10

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