Synthetic amphoteric copolymer as a dispersant for aqueous barium titanate slurries

Lung Pin Chen; Wen Yi Chen; Kung Chung Hsu

doi:10.1002/app.29709

Synthetic amphoteric copolymer as a dispersant for aqueous barium titanate slurries

Lung Pin Chen, Wen Yi Chen, Kung Chung Hsu^*

^*Corresponding author for this work

Department of Chemistry

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

2 Citations (Scopus)

Abstract

An amphoteric water-soluble copolymer I.e., poly(methacrylate-co-N-(4- vinylbenzyl)-N,N-dimethylglycinate) (PMV) was synthesized and used as a dispersion agent for barium titanate (BaTiO₃) (BT) particles. PMV was prepared from methacrylic acid and N-(4-vinylbenzyl)-N,Ndimethylglycinate in basic conditions through free radical polymerization. The structure of this copolymer was verified by its IR and ¹H-NMR spectra. The dispersing effects of PMV were examined and evaluated through viscosity and sedimentation measurements. The results indicate that this copolymer could uniformly disperse the particles, make the resulting suspensions less viscous and more stabilized. The dispersing ability of PMV is better than that of a commercial dispersant, ammonium polymethacrylate (PMAAN). Accordingly, the BT compacts with PMV exhibit higher dielectric constant values than those with PMAAN.

Original language	English
Pages (from-to)	1920-1928
Number of pages	9
Journal	Journal of Applied Polymer Science
Volume	116
Issue number	4
DOIs	https://doi.org/10.1002/app.29709
Publication status	Published - 2010 May 15

Keywords

Colloids
Dispersions
Polyelectrolytes
Synthesis

ASJC Scopus subject areas

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

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10.1002/app.29709

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title = "Synthetic amphoteric copolymer as a dispersant for aqueous barium titanate slurries",

abstract = "An amphoteric water-soluble copolymer I.e., poly(methacrylate-co-N-(4- vinylbenzyl)-N,N-dimethylglycinate) (PMV) was synthesized and used as a dispersion agent for barium titanate (BaTiO3) (BT) particles. PMV was prepared from methacrylic acid and N-(4-vinylbenzyl)-N,Ndimethylglycinate in basic conditions through free radical polymerization. The structure of this copolymer was verified by its IR and 1H-NMR spectra. The dispersing effects of PMV were examined and evaluated through viscosity and sedimentation measurements. The results indicate that this copolymer could uniformly disperse the particles, make the resulting suspensions less viscous and more stabilized. The dispersing ability of PMV is better than that of a commercial dispersant, ammonium polymethacrylate (PMAAN). Accordingly, the BT compacts with PMV exhibit higher dielectric constant values than those with PMAAN.",

keywords = "Colloids, Dispersions, Polyelectrolytes, Synthesis",

author = "Chen, {Lung Pin} and Chen, {Wen Yi} and Hsu, {Kung Chung}",

year = "2010",

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doi = "10.1002/app.29709",

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AU - Chen, Lung Pin

AU - Chen, Wen Yi

AU - Hsu, Kung Chung

PY - 2010/5/15

Y1 - 2010/5/15

N2 - An amphoteric water-soluble copolymer I.e., poly(methacrylate-co-N-(4- vinylbenzyl)-N,N-dimethylglycinate) (PMV) was synthesized and used as a dispersion agent for barium titanate (BaTiO3) (BT) particles. PMV was prepared from methacrylic acid and N-(4-vinylbenzyl)-N,Ndimethylglycinate in basic conditions through free radical polymerization. The structure of this copolymer was verified by its IR and 1H-NMR spectra. The dispersing effects of PMV were examined and evaluated through viscosity and sedimentation measurements. The results indicate that this copolymer could uniformly disperse the particles, make the resulting suspensions less viscous and more stabilized. The dispersing ability of PMV is better than that of a commercial dispersant, ammonium polymethacrylate (PMAAN). Accordingly, the BT compacts with PMV exhibit higher dielectric constant values than those with PMAAN.

AB - An amphoteric water-soluble copolymer I.e., poly(methacrylate-co-N-(4- vinylbenzyl)-N,N-dimethylglycinate) (PMV) was synthesized and used as a dispersion agent for barium titanate (BaTiO3) (BT) particles. PMV was prepared from methacrylic acid and N-(4-vinylbenzyl)-N,Ndimethylglycinate in basic conditions through free radical polymerization. The structure of this copolymer was verified by its IR and 1H-NMR spectra. The dispersing effects of PMV were examined and evaluated through viscosity and sedimentation measurements. The results indicate that this copolymer could uniformly disperse the particles, make the resulting suspensions less viscous and more stabilized. The dispersing ability of PMV is better than that of a commercial dispersant, ammonium polymethacrylate (PMAAN). Accordingly, the BT compacts with PMV exhibit higher dielectric constant values than those with PMAAN.

KW - Colloids

KW - Dispersions

KW - Polyelectrolytes

KW - Synthesis

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Synthetic amphoteric copolymer as a dispersant for aqueous barium titanate slurries

Abstract

Keywords

ASJC Scopus subject areas

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