H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 1/22 (2006.01) C08K 3/08 (2006.01) C08K 13/06 (2006.01)
Patent
CA 2731977
The invention relates to an electrically conductive solid composite material containing: - a solid matrix of electrically insulating material; and a load of electrically conductive material, characterized in that said load includes so-called filiform nanoparticles (1) having: a length, extending along a main elongation direction; two so-called orthogonal dimensions, extending along two transverse orthogonal directions therebetween and orthogonal to said main elongation direction, said orthogonal dimensions being less than said length and less than 500 nm; and two so-called form factor ratios between said length and each of the two orthogonal dimensions, said form factor ratios being greater than 50, said filiform nanoparticles (1) being distributed within the volume of the solid matrix with an amount, by volume, of less than 10%, particularly less than 5%.
L'invention concerne un matériau solide composite électriquement conducteur comprenant :- une matrice solide de matériau électriquement isolant, - une charge de matériau électriquement conducteur, caractérisé en ce que ladite charge comprend des nanoparticules, dites nanoparticules (1) filiformes, présentant : o une longueur, s 'étendant selon une direction principale d'allongement, o deux dimensions, dites dimensions orthogonales, s'étendant selon deux directions transversales orthogonales entre elles et orthogonales à ladite direction principale d'allongement, lesdites dimensions orthogonales étant inférieures à ladite longueur et inférieures à 500 nm, et, o deux rapports, dits facteurs de forme, entre ladite longueur et chacune des deux dimensions orthogonales, lesdits facteurs de forme étant supérieurs à 50, lesdites nanoparticules (1) filiformes étant réparties dans le volume de la matrice solide avec une quantité en volume inférieure à 10%, notamment inférieure à 5%.
Dantras Eric
Demont Philippe
Lacabanne Colette
Lonjon Antoine
Goudreau Gage Dubuc
Universite Paul Sabatier - Toulouse III
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