Flame retardant SBS–clay nanocomposites

doi:10.1017/CBO9780511842412.015

14 - Flame retardant SBS–clay nanocomposites

from Part II - Flame retardancy

Published online by Cambridge University Press: 05 August 2011

Mauro Comes-Franchini ,

Guido Ori and

Edited by

Vikas Mittal: Affiliation:
The Petroleum Institute, Abu Dhabi

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Summary

Layered silicates

The idea of flame retardant materials dates back to about 450 BC, when the Egyptians used alum to reduce the flammability of wood. The Romans (in about 200 BC) used a mixture of alum and vinegar to reduce the combustibility of wood. Today, there are more than 175 chemicals classified as flame retardants. The major groups are inorganic, halogenated, organic, organophosphorus, and nitrogen-based flame retardants, which account for 50%, 25%, 20%, and >5% of the annual production, respectively.

In many cases, existing flame retardant systems show considerable disadvantages. The application of aluminum trihydrate and magnesium hydroxide requires a very high portion of the filler to be deployed within the polymer matrix; filling levels of more than 60 wt% are necessary to achieve suitable flame retardancy, for example, in cables and wires. Clear disadvantages of these filling levels are the high density and the lack of flexibility of end products, the poor mechanical properties, and the problematic compounding and extrusion steps.

Type: Chapter
Information: Thermally Stable and Flame Retardant Polymer Nanocomposites , pp. 360 - 382

DOI: https://doi.org/10.1017/CBO9780511842412.015 [Opens in a new window]

Publisher: Cambridge University Press

Print publication year: 2011

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