Performances of PA6 fibers reinforced with carbon nanotubes

Chin J Mater Res

2004, Vol. 18

Issue (5): 556-560 DOI:

Research Articles

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Performances of PA6 fibers reinforced with carbon nanotubes

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北京服装学院

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. Performances of PA6 fibers reinforced with carbon nanotubes. Chin J Mater Res, 2004, 18(5): 556-560.

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Abstract Two kinds of master batches of carbon nanotubes (CNT) were obtained by dispersing CNT in dispersing agent and polymer (PA6) carrier or in dispersing agent, then CNT reinforced PA6 fibers were obtained by blending melt spinning of PA6 and CNT master batches. The mechanical property and structure of the fibers were also studied. When the CNT content (mass fraction)in fiber is lower than 0.5\%, the strength and modulus of the fibers are higher than that of pure PA6 fiber, and the fibers with 0.03\% CNT have the best strength and modulus. The effect of master batch consisting of carbon nanotubes and dispersing agent is better, and at 0.03\% CNT adding, the strength and modulus of the PA6 fiber with this master batch increase by 23\% and 76\%, respectively. The reinforced PA6 fibers are fibril--reinforced fibers. Carbon nanotubes exhibit good dispersion in the PA6 matrix and orient along the fiber axis. This structure can transfer the load effectively and the effect of reinforcement will be improved with the degree of orientation of CNT in the fibers increasing.

Key words: inorganic non-metallic materials PA6 fiber CNT reinforcement mechanical property

Received: 05 November 2004

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