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    • 18. 发明授权
    • Electrically conductive polymeric compositions
    • 导电聚合物组合物
    • US4288352A
    • 1981-09-08
    • US23632
    • 1979-03-26
    • Robert A. WeissRobert D. Lundberg
    • Robert A. WeissRobert D. Lundberg
    • C08L23/00C08K3/00C08K3/02C08K3/04C08K5/00C08K5/09C08K7/00C08K7/06C08L7/00C08L21/00C08L23/26C08L25/00C08L33/00C08L33/02C08L101/00H01B1/24C08L91/00
    • H01B1/24C08K7/06
    • This invention relates to the injection moldable and extrusion type electrically conductive polymeric blend compositions having a viscosity at 200.degree. C. at 0.73 sec.sup.-1 of less than about 8.times.10.sup.5 poises. The compositions used for elastomeric articles include a neutralized sulfonated polymer; graphite fiber at a concentration of about 1 to about 50 parts by weight per 100 parts by weight of neutralized sulfonated polymer; and a preferential plasticizer at about less than 60 parts by weight based on 100 parts by weight of the neutralized sulfonated polymer. The composition may also optionally include fillers, oils and other additives. These blend compositions can be readily processed due to their superior rheological properties on conventional plastic fabrication equipment, especially on low and high pressure injection molding or extrusion equipment into electrically conductive articles having excellent physical and electrical properties.
    • 本发明涉及注塑和挤出型导电聚合物共混组合物,其在200℃下的粘度为0.73秒-1小于约8×10 5泊。 用于弹性制品的组合物包括中和的磺化聚合物; 石墨纤维,其浓度为每100重量份中和的磺化聚合物约1至约50重量份; 和基于100重量份中和的磺化聚合物约60重量份的优选增塑剂。 组合物还可以任选地包括填料,油和其它添加剂。 这些共混组合物由于其在常规塑料制造设备上的优异流变性能而可以容易地加工,特别是在低压和高压注塑或挤出设备上具有优异的物理和电学性能的导电制品中。