Cnt-infused glass fiber materials and process therefor

Details Cnt-infused glass fiber materials and process therefor Cnt-infused glass fiber materials and process therefor

C - Chemistry, Metallurgy

03

C

C03C 25/44 (2006.01) C01B 31/02 (2006.01)

Patent

CA 2750386

A composition includes a carbon nanotube (CNT)-infused glass fiber material, which includes a glass fiber material of spoolable dimensions and carbon nan-otubes (CNTs) bonded to it. The CNTs are uniform in length and distribution. A continuous CNT infusion pro-cess includes: (a) disposing a carbon-nanotube forming catalyst on a surface of a glass fiber material of spoolable dimensions; and (b) synthesizing carbon nanotubes on the glass fiber material, thereby forming a carbon nanotube-in-fused glass fiber material. The continuous CNT infusion process optionally includes extruding a glass fiber material from a glass melt or removing sizing material from a pre-fabricated glass fiber material.

Selon l'invention, une composition comprend un matériau en fibres de verre imprégné de nanotubes de carbone (CNT) qui comprend un matériau en fibres de verre présentant des dimensions enroulables et auquel sont liés des nanotubes de carbone. Les nanotubes de carbone présentent une longueur et une distribution uniformes. Un procédé d'imprégnation des nanotubes de carbone en continu consiste à (a) disposer un catalyseur formant des nanotubes de carbone sur une surface d'un matériau en fibres de verres présentant des dimensions enroulables, et à (b) synthétiser des nanotubes de carbone sur le matériau en fibres de verre, ce qui permet de former un matériau en fibres de verre imprégné de nanotubes de carbone. Le procédé d'imprégnation des nanotubes de carbone en continu consiste facultativement à extruder un matériau en fibres de verre à partir de verre fondu ou à éliminer le matériau d'ensimage d'un matériau en fibres de verre pré-fabriqué.

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