Pyrotechnic compositions generating clean and nontoxic gases, containing a thermoplastic elastomer binder
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United States of America Patent
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Jun 11, 1996
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N/A
app pub date -
Nov 7, 1994
filing date -
Dec 7, 1993
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Abstract
The present invention relates to the field of gas-generating pyrotechnic compositions intended for motor vehicle safety. The compositions according to the invention include: an oxygen-containing thermoplastic binder and especially a block aliphatic copolymer of formula: ##STR1## in which: PA is a polyamide block, PE is a polyether block, n is a number between 2 and 10, an energetic plasticizer which is a polyglycidyl azide, an oxidizing charge in which at least 85% of its weight consists of ammonium nitrate. The compositions according to the invention burn without solid residues and can be employed in gas generators without a filter chamber.
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