Gas generating composition for use in a pretensioner
AssigneeDaicel Chemical Industries, Ltd.
InventorsYo Yamato, Hideya Osawa
Life of this patent
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Abstract
A gas generating composition for use in a pretensioner, which generates less CO gases and chlorine-containing gases after combustion and is superior in thermal stability and in producing and processing, is obtained. The gas generating composition for use in a pretensioner comprises a highly thermal stabilized binder, an oxidizing agent, and, if required, a chlorine-neutralizing agent as major ingredients. The gas generating composition can improve thermal stability of a gas generating agent, can reduce the amount of CO gases, is excellent in producing and processing, and can reduce chlorine-containing gases if required.
Claims18
A gas generating composition for use in a pretensioner, which comprises 70 to 93 weight-% of an oxidizing agent, 7 to 30 weight-% of a binder comprising at least one compound selected from the group consisting of cellulose acetate butyrate (CAB), carboxymethyl cellulose sodium (CMC-Na), hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), methyl cellulose (MC), ethyl hydroxyethyl cellulose (EHEC), carboxymethyl ethyl cellulose (CMEC), starch, guar gum, polyvinyl alcohol (PVA), polyacrylamide, acrylic rubber, polystyrene (PS), polyacrylonitrile (PAN), polyvinyl chloride (PVC), hydroxy-terminated polybutadiene (HTPB), and carboxy-terminated polybutadiene (CTPB), 0.1 to 10 weight-% of a plasticizer, and 0.05 to 0.1 weight-% of a gloss.
A gas generating composition for use in a pretensioner, which comprises 7 to 30 weight-% of a binder comprising at least one compound selected from the group consisting of cellulose acetate (CA), cellulose acetate butyrate (CAB), coroxymethyl cellulose sodium (CMC-Na), hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), methyl cellulose (MC), ethyl cellulose (EC), ethyl hydroxyethyl celluose (EHEC), carboxymethyl ethyl cellulose (CMEC), starch, guar gum, polyvinyl alcohol (PVA), polyacrylamide, acrylic rubber, polystyrene (PS), polybutadiene (PB), polyacrylonitrile (PAN), polyvinyl chloride (PVC), polyurethane, hydroxy-terminated polybutadiene (HTPB), and carboxy-terminated polybutadiene, 70 to 93 weight-% of an oxidizing agent, 5 to 50 weight-% of a chlorine-neutralizing agent), 0.1 to 10 weight-% of a plasticizer, and 0.05 to 0.1 weight-% of a gloss.
Dependencies are inferred from the claim text.