Patent ID: 9157173
Filing Date: 2015-10-13
Classification: B29C,B60R,D01D,D02G,D03D,D10B,Y10T

Abstract:
1. A process for preparing a slit film-based woven fabric suitable for use in manufacturing vehicle airbags, said process comprising: A) providing a thermoplastic polymeric film having a machine direction and a caliper of from about 80 to about 240 microns; B) drawing said film at least in the machine direction using a draw ratio of from about 2to about 6; C) slitting said drawn film in the machine direction to form a plurality of thermoplastic polymer tapes each having a width of from about 3 to about 15 mm and a tensile strength of at least about 200 MPa; and D) utilizing said plurality of thermoplastic polymer tapes as both warp and weft tapes to weave a fabric therefrom, said fabric having a basis weight of from about 40 grams/m characterized in that said thermoplastic polymeric film comprises a polyamide film.