| 摘要 |
<p>The invention discloses a side-by-side biconstituent melt spun fiber which is useful in dissipating static electricity from textile articles. The fiber has a conductive constituent and a nonconductive constituent, the conductive constituent consisting essentially of normally nonconductive polymer containing uniformly dispersed therein an electrically conductive material in particulate form in an amount sufficient to provide the fiber with an electrical resistance of less than about 1 X 1010 ohms per centimeter at a direct current potential of 0.1 volt when measured at 20% relative humidity and 21.degree.C. The nonconductive constituent consists essentially of normally nonconductive polymer, the crosssection of the fiber being characterized in that the conductive constituent extends along a portion (L) of the periphery of the fiber and inwardly therefrom a distance (D), whereby the ratio of L to D is in the range of 4:1 to 100:1 and wherein the interface formed by the nonconductive/ conductive constituent is convex/concave and the crosssectional area of the conductive constituent comprises less than about 20% of the cross-sectional area of the fiber.</p> |
