Electrically conductive polymer composition

Details Electrically conductive polymer composition Electrically conductive polymer composition

H - Electricity

01

B

H01B 1/24 (2006.01)

Patent

CA 2235604

A white or colored electrically conductive polymer composition is provided using carbon fiber. The composition comprises a moldable organic polymer dispersed therein (a) at least 0.01 wt.% and less than 2 wt.% of hollow carbon microfibers having an outer diameter of 3.5 - 70 nm and an aspect ratio of at least 5, (b) 2.5 - 40 wt.% of an electrically conductive white powder (such as TiO2 powder coated with antimony-doped tin oxide, or aluminum-doped zinc oxide powder), and optionally (c) a colorant for coloration.

L'invention concerne une composition polymère électriquement conductrice, blanche ou colorée et contenant des fibres de carbone. Cette composition comprend un polymère organique moulable (a) dispersé dans ladite composition; au moins 0,01 % en poids et moins de 2 % en poids de microfibres creuses de carbone présentant un diamètre extérieur de 3,5-70 nm et un rapport d'aspect d'au moins 5; (b) 2,5-40 % en poids d'une poudre blanche électriquement conductrice (telle que poudre de TiO¿2? revêtue par oxyde d'étain dopé par antimoine ou poudre d'oxyde de zinc dopé par aluminium) et éventuellement (c), un colorant.

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