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http://dx.doi.org/10.7584/ktappi.2014.46.6.087

Effects of Optical Brightening Agents on Aging Characteristics of Paper  

Choi, Kyoung-Hwa (Changgang Institute of Paper Science and Technology, Kangwon National University)
Lee, Jae-Hun (Dept. of Paper Science & Engineering, College of Forest and Environmental Science, Kangwon National University)
Cho, Byoung-Uk (Dept. of Paper Science & Engineering, College of Forest and Environmental Science, Kangwon National University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.46, no.6, 2014 , pp. 87-93 More about this Journal
Abstract
Optical brightening agents (OBA) is generally used to improve the optical property of printing paper in the paper industry. However, effects of OBA addition on paper preservability has been not fully understood yet. Therefore, this study was aimed to investigate effects of a OBA on the aging characteristics of paper. The OBA treatment of three different types was performed by dipping a filter paper into each a OBA solutions of different concentrations. The filter papers applied with a OBA were artificially aged at 80oC and 65% RH, and their optical and mechanical properties were evaluated. It was found that application of OBAs influenced the aging characteristics of paper. Especially, after aging, the optical and mechanical properties of the filter paper treated with the tetra-type OBA were more significantly decreased than those of the non-treated filter paper. The more the concentration of the tetra-type OBA increased, the more decreasing rate of optical and mechanical properties of the filter paper. While, in case of di-type OBA and hexa-type OBA, paper optical and mechanical properties were slightly decreased or not changed with a OBA treatment.
Keywords
Optical brightening agent; aging characteristics; optical properties; physical properties;
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Times Cited By KSCI : 2  (Citation Analysis)
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