Hybrid inflator with crystalline and amorphous block copolymer

Details Hybrid inflator with crystalline and amorphous block copolymer Hybrid inflator with crystalline and amorphous block copolymer

1996-10-22

1998-12-08

Nelson, Peter A.

Ammunition and explosives

Powder form

Composite type

102289, 149 194, 149 195, C06B 4512

Patent

active

058473114

ABSTRACT:
A hybrid inflator for an inflatable vehicle occupant protection device comprises a quantity of a stored inflation fluid (42) and a body (44) of an ignitable combustible material to heat the stored inflation fluid and increase its pressure. The body (44) of ignitable combustible material comprises a solid binder and an oxidizing agent. The binder is a block copolymer comprising blocks of an amorphous polymeric monomer in an alternating sequence with blocks of a crystalline polymeric monomer. A preferred block copolymer comprises a long chain polyether glycol as the amorphous polymeric monomer and a polybutylene terephthalate as the crystalline polymeric monomer.

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ICT Conference 1990 Publication "Technology of Polymer Compounds and Energetic Materials".

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