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The Control of Anti-slip Characteristics of Packaging Paper Using Nano-colloidal Silica  

Lee, Won-No (Department of Forest Products, Kookmin University)
Kim, Hyoung-Jin (Department of Forest Products, Kookmin University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.37, no.3, 2005 , pp. 33-40 More about this Journal
Abstract
In this study, a nano-colloidal silica sol was applied to control the anti-slip property by spraying on kraft paper. Two kinds of nano-colloidal silica sol which have cationic and anionic charge were applied in kraft paper, and the friction and physical strength properties of kraft paper were investigated. The application of colloidal silica sol on wet web in wet-end process by spraying method was tried to improve the friction property and to avoid the general problems of machine contaminations caused by the scattering of sprayed silica particles in dryer part. The physical properties of sheet were also improved by the application of wet web spraying method, and the optimum conditions of wet web spraying operation were closely related with the conditions of pH and electrical charge of wet web and silica sol.
Keywords
nano-colloidal silica sol; friction; spraying treatment on wet web; anti-slip property;
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