Weak polyelectrolyte control of carbon nanotube dispersion in water

Jaime C. Grunlan; Lei Liu; Oren Regev

doi:10.1016/j.jcis.2007.08.057

Weak polyelectrolyte control of carbon nanotube dispersion in water

Jaime C. Grunlan, Lei Liu, Oren Regev

Department of Chemical Engineering

Research output: Contribution to journal › Letter › peer-review

60 Scopus citations

Abstract

The dispersion of nanotubes by pH-responsive polymers (i.e., weak polyelectrolytes) enables the macroscopic properties of aqueous suspensions to be tuned. Microstructural changes were achieved as a function of pH in aqueous suspensions containing single-walled carbon nanotubes and imaged by cryogenic-TEM. Clear evidence of pH-sensitive nanotube dispersion is shown. We expect that many useful properties of these nanotube-polymer systems could be sensitive to microstructure, making this technique important for aqueous processing of carbon nanotubes and macroscopic tailoring of solid polymer nanocomposite behavior.

Original language	English
Pages (from-to)	346-349
Number of pages	4
Journal	Journal of Colloid and Interface Science
Volume	317
Issue number	1
DOIs	https://doi.org/10.1016/j.jcis.2007.08.057
State	Published - 1 Jan 2008

Keywords

Cryo-TEM
Dispersion
Nanotube
Polyelectrolyte
Viscosity
pH-responsive

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Biomaterials
Surfaces, Coatings and Films
Colloid and Surface Chemistry

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10.1016/j.jcis.2007.08.057

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title = "Weak polyelectrolyte control of carbon nanotube dispersion in water",

abstract = "The dispersion of nanotubes by pH-responsive polymers (i.e., weak polyelectrolytes) enables the macroscopic properties of aqueous suspensions to be tuned. Microstructural changes were achieved as a function of pH in aqueous suspensions containing single-walled carbon nanotubes and imaged by cryogenic-TEM. Clear evidence of pH-sensitive nanotube dispersion is shown. We expect that many useful properties of these nanotube-polymer systems could be sensitive to microstructure, making this technique important for aqueous processing of carbon nanotubes and macroscopic tailoring of solid polymer nanocomposite behavior.",

keywords = "Cryo-TEM, Dispersion, Nanotube, Polyelectrolyte, Viscosity, pH-responsive",

author = "Grunlan, {Jaime C.} and Lei Liu and Oren Regev",

note = "Funding Information: The authors would like to thank the Texas Engineering Experiment Station (TEES) and the Department of Mechanical Engineering at Texas A&M University for financial support of this work. Additionally, J.C.G. would like to acknowledge support from the National Science Foundation (CMMI-0644055). Carbon Nanotechnologies, Inc. graciously donated the single-walled carbon nanotubes used in this study. ",

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AU - Grunlan, Jaime C.

AU - Liu, Lei

AU - Regev, Oren

N1 - Funding Information: The authors would like to thank the Texas Engineering Experiment Station (TEES) and the Department of Mechanical Engineering at Texas A&M University for financial support of this work. Additionally, J.C.G. would like to acknowledge support from the National Science Foundation (CMMI-0644055). Carbon Nanotechnologies, Inc. graciously donated the single-walled carbon nanotubes used in this study.

PY - 2008/1/1

Y1 - 2008/1/1

N2 - The dispersion of nanotubes by pH-responsive polymers (i.e., weak polyelectrolytes) enables the macroscopic properties of aqueous suspensions to be tuned. Microstructural changes were achieved as a function of pH in aqueous suspensions containing single-walled carbon nanotubes and imaged by cryogenic-TEM. Clear evidence of pH-sensitive nanotube dispersion is shown. We expect that many useful properties of these nanotube-polymer systems could be sensitive to microstructure, making this technique important for aqueous processing of carbon nanotubes and macroscopic tailoring of solid polymer nanocomposite behavior.

AB - The dispersion of nanotubes by pH-responsive polymers (i.e., weak polyelectrolytes) enables the macroscopic properties of aqueous suspensions to be tuned. Microstructural changes were achieved as a function of pH in aqueous suspensions containing single-walled carbon nanotubes and imaged by cryogenic-TEM. Clear evidence of pH-sensitive nanotube dispersion is shown. We expect that many useful properties of these nanotube-polymer systems could be sensitive to microstructure, making this technique important for aqueous processing of carbon nanotubes and macroscopic tailoring of solid polymer nanocomposite behavior.

KW - Cryo-TEM

KW - Dispersion

KW - Nanotube

KW - Polyelectrolyte

KW - Viscosity

KW - pH-responsive

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U2 - 10.1016/j.jcis.2007.08.057

DO - 10.1016/j.jcis.2007.08.057

M3 - Letter

AN - SCOPUS:36048948640

SN - 0021-9797

VL - 317

SP - 346

EP - 349

JO - Journal of Colloid and Interface Science

JF - Journal of Colloid and Interface Science

IS - 1

ER -

Weak polyelectrolyte control of carbon nanotube dispersion in water

Abstract

Keywords

ASJC Scopus subject areas

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