<p>Polyester yarns whose polyester fibers are of simple oval peripheral cross section of aspect ratio at least about 1.85:1 have shown better dye yield in fabrics than polyester staple fibers having lower aspect ratios. Such superior cross sections for polyester staple fibers have also provided advantages in open-end spinning in providing yarns with fewer spinning failures than fibers of conventional round cross section.</p>
申请公布号
WO9850608(A1)
申请公布日期
1998.11.12
申请号
WO1998US09043
申请日期
1998.05.04
申请人
E.I. DU PONT DE NEMOURS AND COMPANY;ALSTON, PETER, VAN;DUNCAN, PATRICK, JOSEPH;HANSEN, STEVEN, MICHAEL
发明人
ALSTON, PETER, VAN;DUNCAN, PATRICK, JOSEPH;HANSEN, STEVEN, MICHAEL