Conductive molding compositions and articles molded therefrom

Details Conductive molding compositions and articles molded therefrom Conductive molding compositions and articles molded therefrom

C - Chemistry, Metallurgy

08

K

C08K 3/04 (2006.01) C08L 67/06 (2006.01) C08L 31/04 (2006.01)

Patent

CA 2368299

Electrically conductive, thermoset molding compositions are disclosed which comprise an unsaturated thermosetting resin, an olefinically unsaturated monomer which is copolymerizable with the thermosetting resin, a thermoplastic additive and carbon black. The carbon black is incorporated in a conductive additive which comprises the thermoplastic additive, the carbon black and, preferably, a lubricant. The electrical resistance of articles molded from the disclosed molding compositions is typically less than about 10 8 ohms/cm2.

L'invention concerne des compositions à mouler thermodurcissables, conductrices d'électricité, qui contiennent une résine thermodurcissable non saturée, un monomère non saturé par oléfine qui peut être copolymérisé avec la résine thermodurcissable, un additif thermoplastique, et du noir de carbone. Ce dernier est incorporé dans un additif conducteur qui contient l'additif thermoplastique, le noir de carbone, et, de préférence, un lubrifiant. La résistance électrique des articles moulés à partir des compositions à mouler de la présente invention, est généralement inférieure à environ 10<8> ohms/cm<2>.

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