The effect of electerical conductivity on the performance and interaction of cationic starch-anionic nanosilica in pulp slurry

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MEHRANFAR A.H.; KHOSRAVANI A.; RAHMANINIA M.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2020 | Volume:35 | Issue:1 (70) Page(s): 102-112

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Information Journal Paper

Title

The effect of electerical conductivity on the performance and interaction of cationic starch-anionic nanosilica in pulp slurry

Author(s)

MEHRANFAR A.H. | KHOSRAVANI A. | RAHMANINIA M. | Issue Writer Certificate

Keywords

Electerical conductivityQ1

polyelectrolyteQ1

starch-nanosilicaQ1

colloidQ1

Abstract

Since the papermaking fibers contain negative charge, some polymer additives with counterions (cationic polyeletrolyte) are added to pulp slurry, Meanwhile, due to increasd electrical conductivity (EC) in the suspension, the performance of many polyelectrolytes encounter some problems. Hence, based on water system closure, lower raw water consumption, and therefore higher EC of the pulp suspension, it is necessary to evaluate the adverse effect of polyelectrolytebased additives such as cationic starch-anionic nanosilica on paper making. In this work, the effectiveness of EC on the performance of the mentioned additive combination was investigated. The results confirmed that the EC negatively affected the performance of the wet-end additive system; although the degree of effectiveness was dependent on the type of the pulp property. Such that for low polyelectrolyte dosage and high EC, in certain properties, the positive effect of this additive system was not significant. But, in the case of some other properties such as internal bond and freeness, despite of the negative effects of high EC, the performance of cationic starch-anionic nanosilica system was significantly remarkable.

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APA: Copy

MEHRANFAR, A.H., KHOSRAVANI, A., & RAHMANINIA, M.. (2020). The effect of electerical conductivity on the performance and interaction of cationic starch-anionic nanosilica in pulp slurry. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 35(1 (70) ), 102-112. SID. https://sid.ir/paper/386842/en

Vancouver: Copy

MEHRANFAR A.H., KHOSRAVANI A., RAHMANINIA M.. The effect of electerical conductivity on the performance and interaction of cationic starch-anionic nanosilica in pulp slurry. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2020;35(1 (70) ):102-112. Available from: https://sid.ir/paper/386842/en

IEEE: Copy

A.H. MEHRANFAR, A. KHOSRAVANI, and M. RAHMANINIA, “The effect of electerical conductivity on the performance and interaction of cationic starch-anionic nanosilica in pulp slurry,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 35, no. 1 (70) , pp. 102–112, 2020, [Online]. Available: https://sid.ir/paper/386842/en

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