Patent ID: 6802533
Filing Date: 2004-10-12
Classification: C06B,C06D

Abstract:
An apparatus comprising an inflatable vehicle occupant protection device and a gas generating material that, when ignited produces gas to inflate the inflatable vehicle occupant protection device, the gas generating material comprising:an inorganic oxidizer salt; and a thermoplastic elastomer, said thermoplastic elastomer consisting essentially of a polyurethane formed from aromatic diisocyanate, hydroxyl terminated glycidyl azide polymer with a hydroxyl functionality of two or less, and 2,4-pentanediol, wherein the amount of aromatic diisocyanate, hydroxyl terminated glycidyl azide polymer, and 2,4-pentanediol used to form the polyurethane are controlled so that the ratio of isocyanate groups to hydroxyl groups used to form the polyurethane is about 1.