Volume 39 (2024-2025)
Volume 38 (2023-2024)
Volume 37 (2022-2023)
Volume 36 (2021-2022)
Volume 35 (2020-2021)
Volume 34 (2019-2020)
Volume 33 (2018-2019)
Volume 32 (2017-2018)
Volume 31 (2016-2017)
Volume 30 (2015-2016)
Volume 29 (2014-2015)
Volume 28 (2013-2014)
Volume 27 (2012-2013)
Volume 26 (2011-2012)
Volume 25 (2010-2011)
Volume 24 (2009-2010)
Volume 23 (2008-2009)
Volume 22 (2007-2008)
Volume 21 (2006-2007)
Volume 20 (2005-2006)
Volume 19 (2004-2005)
Volume 18 (2003-2004)
Volume 17 (2002-2003)
Volume 16 (2002-2003)
Volume 15 (2001-2002)
Volume 14 (2001-2002)
Volume 13 (2001)
Volume 12 (2000-2001)
Volume 11 (2000-2001)
Volume 10 (2000-2001)
Volume 9 (2000)
Volume 8 (1999)
Volume 7 (1999)
Volume 6 (1998)
Volume 5 (1998)
Volume 4 (1997)
Volume 3 (1997)
Volume 2 (1996)
Volume 1 (1995)
Pulp and paper
Comparison of the Effect of Using Cellulose Nanofibers and Cationic Starch instead of Refining on the Physical and Mechanical Properties of Manufacture Paper from OCC pulp

Pejman Rezayati Charani; Ahmad Azizi. Mossello

Volume 33, Issue 4 , February 2019, , Pages 593-605

https://doi.org/10.22092/ijwpr.2018.122476.1481

Abstract
  The use of old corrugated container (OCC) is considered an effective solution by the paper industries in paper and paperboard productions bearing environmental and economic reasons. The strength properties of pulp made from recycled paper is weaker than the original pulp for various reasons, such as ...  Read More

Pulp and paper
Improvement of the properties of Poplar chemi-mechanical newsprint through controlling process parameters

Hossein Resalati; Mostafa Nikkhah Dafchahi

Volume 33, Issue 2 , July 2018, , Pages 290-299

https://doi.org/10.22092/ijwpr.2018.116361.1449

Abstract
  One of the drawbacks of utilizing non-forest fast growing species of Poplar as raw materials to produce newsprint in Mazandran Pulp and Paper Mill is fairly low bulk and opacity of produced paper at the yield of 85% (current CMP yield of the Mill). In this research work, the effect of process parameters ...  Read More

Pulp and paper
Potential of CMP pulp production of Salix species in comparison with Populus

Hossein Resalati; Mostafa Nikkhah Dafchahi

Volume 32, Issue 4 , November 2017, , Pages 585-595

https://doi.org/10.22092/ijwpr.2017.110696.1418

Abstract
  Due to shortage of harvestable forest wood in Iran, the potential of CMP pulp production from various species of salix (alba, fragilis and aegyptica), in comparison with populus deltoides, was investigated across this research work. The cooking liqour of Mazandaran wood and paper Mill, consisting of ...  Read More

Pulp and paper
The Effect of Cationic – Anionic Starch Multilayers Formation upon CMP Fibers on Pulp and Paper Properties

Hamid reza Rodi; Hasibeh Saeidi

Volume 32, Issue 1 , April 2017, , Pages 57-68

https://doi.org/10.22092/ijwpr.2017.107066

Abstract
  Current study was done with the aim of investigating the effect of polymeric multilayers of cationic starch and anionic starch upon CMP fibers using layer-by-layer technique on its pulp and paper properties. Consecutive cationic and anionic starches layering experiments (respectively 1% and 0.5% dose ...  Read More

Pulp and paper
Preparation of nano-cellulose from cladophora, a fibrous algae, utilizing it at improving the strength properties of CMP pulp.

fatemeh asadi; Noradin Nazarneghad; Ghasem Asadpoor atoeei

Volume 31, Issue 4 , January 2017, , Pages 695-702

https://doi.org/10.22092/ijwpr.2016.106290

Abstract
  Nowdays, algae considering marine ecosystem are regarded as producers and the first continuum that receives solar energy. Hence, they ensure the needed energy for the aquatic organism living. In global herbal division, algae have 1800 genus and 21000 types. Because of their presence in air rather than ...  Read More

Pulp and paper
Improvement of printing and writing paper properties using PCC Filler Modified by cationic starch modified precipitated calcium carbonate filler

Moghadaseh Akbari; Nadia Kabodi torabi; Hossein Rrsalati; Gasem Asadpour atoei; Mohammad reza Dehghani firozabadi

Volume 29, WINTER 4 , February 2015, , Pages 515-525

https://doi.org/10.22092/ijwpr.2014.8483

Abstract
  Aim of this study is precipitated calcium carbonate cationic modification and comparison of impact of using its with conventional filler (unmodified) on strength properties of paper. One of the defects of adding fillers to paper is decreasing of mechanical strength of paper because of reduction in bonding ...  Read More

The influence of fiber lignin content on mechanical properties of wood fiber-polypropylene composites

Porya Rezaei niaraki; Ahmad Jahan Latibari; Azhang Tajadini; Mehran Roohnia

Volume 29, SPRING 1 , May 2014, , Pages 1-11

https://doi.org/10.22092/ijwpr.2014.4914

Abstract
  The influence of fiber lignin content and the dosage of coupling agent on the strength and physical properties of cellulosic fiber-polypropylene composite were investigated. The old corrugated container (OCC) fibers were delignified using sodium hydroxide to reach the lignin content of 2.7, 3.78, 5.26 ...  Read More

Comparison of hot water and alkaline pre-treatments on the properties of wheat straw NSSC pulp

Soodeh Zhand; Masih Masoudifar; Ahmad reza Saraeian; Ali Ghasemian

Volume 28, Issue 4 , January 2014, , Pages 774-794

https://doi.org/10.22092/ijwpr.2014.4467

Abstract
  The purpose of this study was to compare the properties of wheat straw (Zagros sp) collected in Golestan province NSSC pulp under alkaline pretreatment with 1% sodium hydroxide and boiling pretreatment. Wheat Straw pretreatment with 1% sodium hydroxide and hot water at water to straw ration of 10 to ...  Read More

The utilization of two recycled polymers and bagasse fiber in wood plastic nano / clay composites production

Amir Nourbakgsh

Volume 28, Issue 3 , October 2013, , Pages 435-450

https://doi.org/10.22092/ijwpr.2013.3412

Abstract
  Two recycled polymers (rHTPE and rPP) combined with baggase fibers were used as the reinforcing material to improve the mechanical properties of wood plastic nanoclay composite. The amount of baggase fibers varied at three levels (25, 35 and, 45 percent). Two recycled polymers (rPP and rHDPE) were used ...  Read More

Properties of high quality paper from rag fibers recycling

Mahid Farzi; Ali akbar Enayati; Davood Parsa paghoh

Volume 27, Issue 3 , September 2012, , Pages 434-444

https://doi.org/10.22092/ijwpr.2012.116107

Abstract
  In this investigation, soda pulps from old rags applying three pulping times (60, 120 and 180 minutes ) and three levels of active alkali ( 6,8, and 10% NaOH based on OD weight  of rag) and pulping temperature of 125º C were produced. Liquor to rag ratio was kept constant at 11:1(based on the ...  Read More

Comparing four lignocellulosic materials in the properties of wood plastics/ nanoclay composites

Amir Nourbakhsh

Volume 27, Issue 2 , June 2012, , Pages 235-255

https://doi.org/10.22092/ijwpr.2012.117064

Abstract
  To improve the mechanical properties of wood plastics composites, four lignocellulosic materials (bagasse, rice straw, wheat straw and poplar wood powder) was used as the reinforcing material. The amount of nano-clay at different levels (0, 3 and 6%) were examined on the performance of wood plastic composites. ...  Read More

Comparing the effect of alkali charge and treatment time on the properties of bagasse and eastern cottonwood cold soda pulp

Sabah Ashrafi birghani; Ahmadreza Sraeyan

Volume 27, Issue 1 , March 2012, , Pages 16-26

https://doi.org/10.22092/ijwpr.2012.117076

Abstract
  The purpose of this study was to compare the effects of various concentrations of sodium hydroxide and treatment times on the properties of bagasse and Eastern cottonwood (Populus deltoids) cold soda pulp and paper. The cold soda pulp was prepared using various concentrations of sodium hydroxide (5, ...  Read More

Pulp and paper
Effect of anthraquinone on NSSC pupling of P.deltoides

Maryam Rostaei; Rabi Behroz; Saeid Mahdavi

Volume 26, Issue 4 , January 2012, , Pages 622-633

https://doi.org/10.22092/ijwpr.2011.117241

Abstract
  This research was performed to improve the properties of the pulp made of Aspen Deltoides, using antraquinone(AQ) catalizer. Neutral sulfite semichemical (NSSC) method in three efficiency levels of 55, 60, and 65% was applied. Cooking situations was selected as: Specific Temperature (175˚ C) , Time ...  Read More