EFFECTS OF OXIDIZED RECYCLED FIBERS ON PAPER PROPERTIES

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JADIDI M.; NAZARNEZHAD N.; ZABIHZADEH M.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2012 | Volume:27 | Issue:3 (40) Page(s): 409-422

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Information Journal Paper

Title

EFFECTS OF OXIDIZED RECYCLED FIBERS ON PAPER PROPERTIES

Author(s)

JADIDI M. | NAZARNEZHAD N. | ZABIHZADEH M. | Issue Writer Certificate

Keywords

WASTE FIBERQ1

HYDROGEN PEROXIDEQ2

CATIONIC STARCHQ1

PAPER PROPERTIESQ1

Abstract

This research was conducted to find a procedure to increase the optical and strength properties of papers made from oxidized waste newspaper fibers. Samples of waste newspapers were randomly selected and deinked, then one part of deinked pulp was refined. Both refined and unrefined recycled pulp were divided into two groups. In each case, a group of pulps was used to make standard hand sheets (control samples) without HYDROGEN PEROXIDE treatment and only adding 2% CATIONIC STARCH. Second group was subjected to different percentages of HYDROGEN PEROXIDE (2%, 3% & 4%) in alkaline conditions, then 2% CATIONIC STARCH was added to oxidized fibers prior to hand sheeting preparation and then standard hand sheets were made. Optical and strength properties of all hand sheets were determined according to TAPPI standards. Also FTIR spectra was taken to specify the effect of oxidation on surfaces of pulp fibers. Results showed that treatment with oxidizing agent increased the strength indices of papers. This increase was more evident when 3% HYDROGEN PEROXIDE was applied. The strengths of the control samples were the lowest. Moreover, refining imposed the positive effect on strength properties. Results of optical properties measurements indicated that as the extent of treatment for both refined and unrefined pulps increases, the brightness increased, and both the yellowness and opacity decreased. The highest brightness was reached when 3% peroxide was used. Also refining results in increased in brightness and yellowness but decrease opacity. FTIR spectra showed that samples of oxidized pulp had the greatest absorption at wave number of 1650 which pertains to carboxyl group.

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APA: Copy

JADIDI, M., NAZARNEZHAD, N., & ZABIHZADEH, M.. (2012). EFFECTS OF OXIDIZED RECYCLED FIBERS ON PAPER PROPERTIES. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 27(3 (40)), 409-422. SID. https://sid.ir/paper/109833/en

Vancouver: Copy

JADIDI M., NAZARNEZHAD N., ZABIHZADEH M.. EFFECTS OF OXIDIZED RECYCLED FIBERS ON PAPER PROPERTIES. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2012;27(3 (40)):409-422. Available from: https://sid.ir/paper/109833/en

IEEE: Copy

M. JADIDI, N. NAZARNEZHAD, and M. ZABIHZADEH, “EFFECTS OF OXIDIZED RECYCLED FIBERS ON PAPER PROPERTIES,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 27, no. 3 (40), pp. 409–422, 2012, [Online]. Available: https://sid.ir/paper/109833/en

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