| abstract |
PURPOSE: The titled fiber structure, consisting of a polyethylene terephthalate based polyester and polyester containing a specific phosphorus compound and having good flame resistance and improved mechanical physical properties. n CONSTITUTION: A polyester fiber structure, consisting of (A) a polyester of polyethylene terephthalate or consisting essentially thereof and (B) a polyester, containing a phosphorus compound having a group expressed by the formula (R is trifunctional organic group; the benzene ring may be substituted by a lower alkyl group or halogen) in an amount of ≥50,000ppm expressed in terms of the weight of phosphorus atom and having ≥0.4 intrinsic viscosity, containing 500W35,000ppm expressed in terms of the weight of the phosphorus atom and having ≥0.5 intrinsic viscosity. n COPYRIGHT: (C)1987,JPO&Japio |