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Tailoring of Carbon Nanotube Microstructure Using Poly(acrylic acid) and Poly(allylamine hydrochloride)

Published online by Cambridge University Press:  01 February 2011

Lei Liu  and
Jaime C. Grunlan
Lei Liu
Affiliation:
liulei@tamu.edu Texas A&M University Mechanical Engineering, Polymer Technology Center 3123 TAMU College Station Texas 77843-3123 United States
Jaime C. Grunlan
Affiliation:
jgrunlan@tamu.edu, Texas A&M University, Mechanical Engineering, Polymer Technology Center, 3123 TAMU, College Station, Texas, 77843-3123, United States
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Abstract

Poly(acrylic acid) (PAA) and poly(allylamine hydrochloride) (PAH) were used to tailor the microstructure of single-walled carbon nanotubes (SWNTs) in both aqueous solutions and dry composite films. Microstructural changes were achieved as the pH of aqueous suspensions were changed, as evidenced by elevated suspension viscosity, scanning electron microscopy and electrical conductivity measurements. The ability to tailor microstructure is useful for aqueous SWNT processing and solid polymer nanocomposites.

Keywords

microstructurepolymercomposite

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