HARDLY INFLAMMABLE SEAT BELTS, CONTAINING PHOSPHOROUS-MODIFIED POLYESTER FIBERS, AND UTILIZATION OF SAID POLYESTER FIBERS FOR THE MANUFACTURE OF SEAT BELTS.

摘要

The present invention describes fabrics without covering, having a gas-permeability equal to, or lower than 80 dmn of air by minute for each square decimeter, with a pressure drop of 500 Pa (measured according to rule DIN 53887), and having at least two thread systems composed of threads parallelwith each other, manufactured from high resistance polyester filament threads, and with a threads title of between 150 and 700 dtex. Fabrics are characterized in that polyester is a phosphorous-modified co-polyester, containing in polymer chain a phosphorous bifunctional compound in a quantity between 0.1 and 5 percent by weight, referred to phosphorous quantity. With these fabrics, airbags can be manufactured for protection against car crashes, without covering and hardly inflammable.