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http://dx.doi.org/10.12925/jkocs.2003.20.4.11

A Study on the Thermal Stability of Polymer Mixtures using Air Bags  

Oh, Yang-Hwan (Dept. of Environmental Engineering, Kyung Moon College)
Park, Keun-Ho (Dept. of Chemical Engineering, Changwon National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.20, no.4, 2003 , pp. 353-357 More about this Journal
Abstract
Sodium azide (SA) is commonly used as propellant for inflating automatic safety bags and other chemical manufacturing purposes. The investigation of potentially thermal hazard of sodium azide and its mixture with polymers are very important because it can occur an expected traffic accident so we took a experiment s using different scanning calorimeter (DSC) in nitrogen atmosphere. The decomposition temperature were about $350{\sim}450^{\circ}C$. We could find not only exothermic reaction was remarkably decreased in mixture s of acrylonitrile-butadiene-styrene (ABS) and polyvinyl chloride (PVC), but also increasing mixed rate of ABS, polyvinyl alcohol (PVA) and polymethyl methacrylate (PMMA) decreased thermal decomposition heat.
Keywords
Sodium azide; acrylonitrile-butadiene-styrene; polyvinyl chloride; polyvinyl alcohol; Polymethyl methacrylate;
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