D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/636.2
D01F 8/12 (2006.01) D01D 5/32 (2006.01)
Patent
CA 1105218
ABSTRACT OF THE DISCLOSURE 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 suf- ficient 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°C. The nonconductive constituent consists essentially of normally nonconductive polymer, the cross- section 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 cross- sectional area of the conductive constituent comprises less than about 20% of the cross-sectional area of the fiber.
304375
Mcfadden Fincham
Solutia Inc.
LandOfFree
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