Patent ID: 6162539
Filing Date: 2000-12-19
Classification: C09K,D01F,Y10T

Abstract:
A high luminance luminous fiber comprising:a core component containing a polyolefin resin and 10-60% by weight, relative to the core component, of a luminous pigment comprising sintered fine powders represented by the formula of(M.sub.0.9995-0.998 Eu.sub.0.0005-0.002)Al.sub.2 O.sub.4.(M.sub.0.9995-0.998 Eu.sub.0.0005-0.002)O.n(Al.sub.1-b-a B.sub.b Q.sub.a).sub.2 O.sub.3,wherein M represents at least one element selected from the group consisting of Sr, Ca, Mg and Ba; Q represents at least one element selected from the group consisting of La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Y, Lu, Mn and Bi; a falls within the range of 0.0005-0.002; b falls within the range of 0.001-0.35; and n is an integer of 1-8, anda sheath component comprising a polyolefin resin containing no luminous pigment.