| abstract |
Disclosed is a gas generant composition that can improve heat resistance, particularly heat aging resistance, and can sufficiently maintain a combustion completion time even after being exposed to a high temperature. A gas generating composition contains a component (a) an oxidizing agent, a component (b) a cellulose derivative, and a component (c) a polymer plasticizer. It is preferable that content of a component (c) polymer plasticizer is 2-15 mass parts with respect to 100 mass parts of total amounts of a component (a) oxidizing agent and a component (b) cellulose derivative. The component (c) polymer plasticizer is preferably a polyester plasticizer or an epoxy plasticizer, and particularly preferably an adipic acid polyester which is a polyester plasticizer. The component (b) cellulose derivative is desirably cellulose acetate propionate. [Selection figure] None |