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Improvement of Rheological Properties of Silica Composites Employing Response Surface Methodology  

Yim, Gie-Hong (Department of Chemical Engineering, Sungkyunkwan University)
Yang, Seung-Nam (Department of Chemical Engineering, Sungkyunkwan University)
Kim, Nam-Ki (Department of Chemical Engineering, Sungkyunkwan University)
Publication Information
Polymer(Korea) / v.32, no.1, 2008 , pp. 19-25 More about this Journal
Abstract
The purpose of this study was improving the rheology properties of dentifrice by finding optimum binders polymer system which consists of carboxymethylcellulose (CMC), carbomer, and Mg/Al silicate. Response surface methodology (RSM) was employed to investigate the correlation between polymers and rheological properties of dentifrice and to optimize responses. Rheological properties were measured with oscillatory rheometer. As a result, it was identified that gel strength and yield stress were dependent on contents of CMC and carbomer and CMC caused long stringiness of dentifrice. And springness of dentifrice was dependent on contents of CMC and Mg/Al silicate. Optimum components proportion of polymers and silicate were obtained by responses optimization process. According to determined optimum components proportion, it was possible to observe a dentifrice with improved rheological properties.
Keywords
response surface methodology; rheology; carbomer; silicate; carboxymethylcellulose;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
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