Effects of oxidized recycled fibers on paper properties

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 we...

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Autores principales:	Mania Jadidi, Noraldin Neghad, Majid Zabihzadeh
Formato:	article
Lenguaje:	FA
Publicado:	Regional Information Center for Science and Technology (RICeST) 2012
Materias:	Waste fiber hydrogen peroxide cationic starch Paper properties Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/443ba46f918c41228abf1f89766ad050
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id	oai:doaj.org-article:443ba46f918c41228abf1f89766ad050
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spelling	oai:doaj.org-article:443ba46f918c41228abf1f89766ad0502021-12-02T07:43:20ZEffects of oxidized recycled fibers on paper properties1735-09132383-112X10.22092/ijwpr.2012.116105https://doaj.org/article/443ba46f918c41228abf1f89766ad0502012-09-01T00:00:00Zhttp://ijwpr.areeo.ac.ir/article_116105_060d2204d06e0b41473b7b384eafbff0.pdfhttps://doaj.org/toc/1735-0913https://doaj.org/toc/2383-112XThis 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. Opticaland 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 decreas opacity. FTIR spectra showed that samples of oxidized pulp had the greatest absorption at wave number of 1650 which pertains to carboxyl group.Mania JadidiNoraldin NeghadMajid ZabihzadehRegional Information Center for Science and Technology (RICeST)articleWaste fiberhydrogen peroxidecationic starchPaper propertiesForestrySD1-669.5FAتحقیقات علوم چوب و کاغذ ایران, Vol 27, Iss 3, Pp 409-422 (2012)
institution	DOAJ
collection	DOAJ
language	FA
topic	Waste fiber hydrogen peroxide cationic starch Paper properties Forestry SD1-669.5
spellingShingle	Waste fiber hydrogen peroxide cationic starch Paper properties Forestry SD1-669.5 Mania Jadidi Noraldin Neghad Majid Zabihzadeh Effects of oxidized recycled fibers on paper properties
description	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. Opticaland 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 decreas opacity. FTIR spectra showed that samples of oxidized pulp had the greatest absorption at wave number of 1650 which pertains to carboxyl group.
format	article
author	Mania Jadidi Noraldin Neghad Majid Zabihzadeh
author_facet	Mania Jadidi Noraldin Neghad Majid Zabihzadeh
author_sort	Mania Jadidi
title	Effects of oxidized recycled fibers on paper properties
title_short	Effects of oxidized recycled fibers on paper properties
title_full	Effects of oxidized recycled fibers on paper properties
title_fullStr	Effects of oxidized recycled fibers on paper properties
title_full_unstemmed	Effects of oxidized recycled fibers on paper properties
title_sort	effects of oxidized recycled fibers on paper properties
publisher	Regional Information Center for Science and Technology (RICeST)
publishDate	2012
url	https://doaj.org/article/443ba46f918c41228abf1f89766ad050
work_keys_str_mv	AT maniajadidi effectsofoxidizedrecycledfibersonpaperproperties AT noraldinneghad effectsofoxidizedrecycledfibersonpaperproperties AT majidzabihzadeh effectsofoxidizedrecycledfibersonpaperproperties
_version_	1718399219876757504

Effects of oxidized recycled fibers on paper properties

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