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Powder Surface and Polymer Structural Changes in Ultrafine Grinding in Stirred Media Mills
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Citation (Style = APA)
Zheng, Jie ; Harris, Colin C. ; Sornasundaran, P. (1998). Powder Surface and Polymer Structural Changes in Ultrafine Grinding in Stirred Media Mills.
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SpreadSheed (CSV)
Zheng, Jie ; Harris, Colin C. ; Sornasundaran, P. (1998). Powder Surface and Polymer Structural Changes in Ultrafine Grinding in Stirred Media Mills.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 7
Publication Date:
Jan 1, 1998
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Abstract
Abstract
| Powder surface and polymer structural changes during stirred milling have been studied as a function of grinding time, solid concentration and polymer molecular weight. It was found that specific surface area of limestone particles can be increased over 100% by using polymer additives. Particle surface and polymer structure were also found to change during grinding. Powder surface and polymer properties have been determined using Surface Tension, Fluorescence, TOC and HPLC/GPC analysis, and surface and polymer properties are correlated with operating variables and the mechanisms involved are explored. Particularly, the fragmentation of the polymer molecules was found to occur during long term grinding and this was beneficial for ultrafine grinding. |
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