PHYSICAL STRENGTHS IMPROVEMENT OF RECYCLED PULP HANDSHEETS USING ANIONIC CHARGE REDUCTION

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MEHDIKHAH S.A.; POURMOUSA SH.; TAJDINI A.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2017 | Volume:32 | Issue:1 Page(s): 83-93

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Title

PHYSICAL STRENGTHS IMPROVEMENT OF RECYCLED PULP HANDSHEETS USING ANIONIC CHARGE REDUCTION

Author(s)

MEHDIKHAH S.A. | POURMOUSA SH. | TAJDINI A. | Issue Writer Certificate

Keywords

ANIONIC CHARGEQ1

CATIONIC POLYMERSQ1

WET TENSILE STRENGTHQ1

STEPWISE REGRESSIONQ1

Abstract

Wet tensile strength is very important in some cellulosic hygienic products. In the production process of these products using recycling process some characteristics of pulp suspension due to lack of stability of desirable quality properties is difficult to achieve. In this study, a variety of different doses of CATIONIC POLYMERS were used at laboratory scale. First the ANIONIC CHARGE of the pulp suspension was gradually reduced. Then the Poly (amine) amide epichlorohydrin and its stabilizer injected to the suspension. The pulp suspension and physical properties of hand sheets were evaluated. The type and amount of CATIONIC POLYMERS showed a significant effect on the reduction of ANIONIC CHARGE of pulp suspension and the resulting increase in WET TENSILE STRENGTH and other physical properties of hand sheets. The addition of polymers resulted that ANIONIC CHARGE of suspension improved from 237 meq /L in control samples to32meq/L in the best conditions. Physical properties of hand sheets improved after chemical treatments with different amounts of polymers. WET TENSILE STRENGTH increased from13 N/m to 121N/m, dry tensile strength improved 2730 N/m to 2860 N/m the burst strength increased from 146 KPa to 160KPa best treatment using 135 mg/L of Gfloc F10. STEPWISE REGRESSION analysis showed the significant relationship of the ANIONIC CHARGE in the pulp suspension and the physical properties of handsets. So using different CATIONIC POLYMERS can reduced the ANIONIC CHARGE of the pulp suspension and improves the properties of paper products.

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APA: Copy

MEHDIKHAH, S.A., POURMOUSA, SH., & TAJDINI, A.. (2017). PHYSICAL STRENGTHS IMPROVEMENT OF RECYCLED PULP HANDSHEETS USING ANIONIC CHARGE REDUCTION. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 32(1), 83-93. SID. https://sid.ir/paper/109377/en

Vancouver: Copy

MEHDIKHAH S.A., POURMOUSA SH., TAJDINI A.. PHYSICAL STRENGTHS IMPROVEMENT OF RECYCLED PULP HANDSHEETS USING ANIONIC CHARGE REDUCTION. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2017;32(1):83-93. Available from: https://sid.ir/paper/109377/en

IEEE: Copy

S.A. MEHDIKHAH, SH. POURMOUSA, and A. TAJDINI, “PHYSICAL STRENGTHS IMPROVEMENT OF RECYCLED PULP HANDSHEETS USING ANIONIC CHARGE REDUCTION,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 32, no. 1, pp. 83–93, 2017, [Online]. Available: https://sid.ir/paper/109377/en

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