The dispersion of pigment slurries via incorporation with water-soluble sulfonate poly(ethylene terephthalate) |
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| Authors: | S-P Rwei F-H Ku |
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| Institution: | (1) Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, Taiwan e-mail: f10714@ntut.edu.tw Tel.: +886-2-27712171 ext. 2432 Fax: +886-2-27317174, TW |
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| Abstract: | A water-soluble sulfonate poly(ethylene terephthalate) copolymer has been synthesized and identified as a high-temperature
endurable surfactant. The glass-transition temperature and the storage modulus increase in correlation to the increase in
sulfonate content. Various characterization studies were performed, including light scattering, zeta-potential measurement
and a sedimentation test. The results suggest that at equal numbers of sulfonate units in a solution, a low concentration
of a dispersant of high sulfonate content is more effective than a high concentration of a dispersant of low sulfonate content.
Received: 6 April 2000 Accepted: 23 September 2000 |
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| Keywords: | Water-soluble poly(ethylene terephthalate) Sulfonate content Thermoplastic dispersant Thermal degradation Dispersion stability |
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