| 摘要 |
PURPOSE:To obtain a shock absorbing air bag which is sophisticated in shock resistance and other kinds of durability and additionally light in weight by laminating rubber or resin on a ground fabric made of polyester fiber specifying various properties of polyester respectively through an adhesive. CONSTITUTION:An air bag used to protect a crew of a means of transportation from a shock at the time of collision is formed by laminating rubber or resin on a ground fabric made of polyester fiber through resorcinol, formalin, rubber latex and other adhesives. At this time, the polyester fiber is formed of polyester, more than 85% of whose repeated unit is ethylene terephthalate. And the intrinsic viscosity of the polyester is specified as more than 0.76, the density as more than 1.380g/cm<2>, the strength as more than 6.5g/d, the ductility as more than 1.4%, the toughness as more than 120, the knot strength as more than 4.1g/d and the dry shrinkage percentage as less than 10% respectively. |
