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Effect of Functionalized Copolymer on Titanium Dioxide Pigment Dispersion

Sanmathi, CS and Prashantha, K (2006) Effect of Functionalized Copolymer on Titanium Dioxide Pigment Dispersion. In: Journal of Dispersion Science and Technology, 27 (4). 511 -516.

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The influence of adsorption of polymers containing different functional groups on the dispersion behavior of pigment particles has been investigated in water. The polymers chosen are styrene-maleic anhydride copolymer modified with three different amines, tris (hydroxymethyl) amine, semicarbazide, and thiosemicarbazide of different hydrophilicity, to yield the corresponding grafted amic acids. The modified graft copolymers were characterized by Fourier transform infrared spectroscopy and H-nuclear magnetic resonance spectroscopy. Application of these amic acids as a dispersing agent to disperse titanium dioxide in water was studied. The Daniel flow method was used to assess the dispersing ability of these amic acids, and it was found that all the synthesized dispersants showed dispersion action on the pigment particles.

Item Type: Journal Article
Publication: Journal of Dispersion Science and Technology
Publisher: Taylor & Francis
Additional Information: Copyright of this article belongs to Taylor & Francis.
Keywords: Copolymer;Amic acids;Pigment dispersion;Daniel flow
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 22 May 2006
Last Modified: 27 Aug 2008 11:59
URI: http://eprints.iisc.ac.in/id/eprint/6759

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