Importance

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Abstract

Cool burning gas generating compositions having minimal performance variation at temperature and pressure extremes are provided. The gas generants include a primary fuel comprising a metal salt of a dicarboxylic acid (e.g., copper adipate), a secondary fuel (e.g., guanidine nitrate), at least one oxidizer (e.g., basic copper nitrate), and a burn rate modifier (e.g., zinc oxide). Such a cool burning gas generant composition has a maximum flame temperature at combustion (T_c) of ≦1700K and a linear burn rate pressure exponent of ≦0.3, along with superior combustion stability and desirably high gas output. Moreover, such a cool burning gas generant enables improved, lighter and more efficient inflator assemblies requiring fewer inflator components.

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First Claim