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)
Composite wood products
Glass beads and shell on the physical and mechanical properties of polymer matrix nanocomposites reinforced with glass fibers and beech wood flour

Arash Farajpour Roudsari; SEPIDEH SASANIAN; Asghar Tabei

Articles in Press, Accepted Manuscript, Available Online from 23 November 2024

https://doi.org/10.22092/ijwpr.2024.366849.1780

Abstract
  Background and Objective: In the present era, technological advancement depends on the progress made in the field of materials. The production of composites is a significant step towards the evolution of engineering materials. By physically combining two or more materials, not only is a lighter and stronger ...  Read More

Composite wood products
Investigating the effect of functionalized carbon nanotubes on physical and mechanical properties of wood-plastic nanocomposite

Mohammad Farsi; Asghar Tabei; Fatemeh Maashi sani; masoud ebadi

Volume 38, Issue 1 , March 2023, , Pages 59-74

https://doi.org/10.22092/ijwpr.2022.359256.1721

Abstract
  The purpose of this research is to investigate the physical and mechanical properties of the wood-plastic nanocomposite obtained from Raw and Functionalized carbon nanotubes (CNTs). For this purpose, wood flour at a fixed amount of 50%, Raw CNTs at three levels of 0, 1 and 2% and coupling agent at two ...  Read More

Comparison of the effect of walnut shell and charcoal flour on the characteristics of wood-plastic composites

Mir Reza Mousavi; Asghar Tabei; Mostafa Madanipour; Mohammad Farsi

Volume 37, Issue 2 , May 2022, , Pages 128-140

https://doi.org/10.22092/ijwpr.2022.356960.1704

Abstract
  In this study, the effect of walnut shell and charcoal flour on the applied characteristics of the resulting plastic composites was investigated. For this purpose, walnut shell and charcoal flour in three levels of 20, 30 and 40% were mixed with high density polyethylene using Brabender internal mixer ...  Read More

Investigation of composite of three layers of cement and ionolite

Fardad Golbabaei; Reza Hajihassani; Kamyar Salehi; Asghar Tabei

Volume 35, Issue 1 , April 2020, , Pages 113-125

https://doi.org/10.22092/ijwpr.2020.126127.1540

Abstract
  The aim of this study was to construct lightweight structures and reduce energy loss. The aim of this study was to produce cement wood or composite products by combining organic particles such as wood fibers and lignocellulosic materials with monolith. The investigated product consisted of cement wood ...  Read More

Morphological characteristics and chemical components of sunflower stalk (Helianthus annus. Var. cheernianka 66) cultivated in Astara

Mona Otarod; Asghar Tabei

Volume 34, Issue 3 , November 2019, , Pages 372-386

https://doi.org/10.22092/ijwpr.2019.127139.1562

Abstract
  This study was conducted to determine morphological characteristics and chemical components of sunflower stalks (Helianthus annus. Var, cheernianka 66) cultivated in Astara area. After collecting number of stalks, 6 stalks of the same size were selected to determine for morphological characteristics ...  Read More

Chemistry of wood
Investigating the effect of methylation treatment on the kraft lignin optical behavior through simulation of lignin-containing papers

Asghar Tabei

Volume 31, Fall 3 , September 2016, , Pages 410-424

https://doi.org/10.22092/ijwpr.2016.106279

Abstract
  In this study, changes in optical behavior of Poplar Kraft lignin before and after methylation by using dimethyl sulphate, was monitored by measuring optical indices ( brightness,light absorbtion coefficient, light scattering coefficient,light absorbtion coefficient to light scattering coefficient ratio ...  Read More

Chemical conversion
Morphological Characteristics and Chemical Composition of Grapevine Branches (Vitis vinifera spp.) Grown in Astara

Seyyed Pedram Hashemi Beygzadmahalleh; Seyyed Peyman Hashemi Beygzadmahalleh; Asghar Tabei

Volume 30, WINTER 4 , December 2015, , Pages 525-537

https://doi.org/10.22092/ijwpr.2015.102670

Abstract
  This study has been conducted to determine morphological characteristics of fibers and amount of chemical components of grapevine branches cultivated in Astara in province of Guilan. For this purpose the number of 53 branches, with same size and diameter, were cut from some grapevine and sent to laboratory ...  Read More

Pulp and paper
Investigation on TCF Bleaching of Tobacco stalk ( Nicotiana tabacum L.'Coker 347') Soda Pulp

Seyed_Pedram Hashemi; Asghar Tabei; Seyyed Peyman Hashemi

Volume 29, WINTER 4 , February 2015, , Pages 623-632

https://doi.org/10.22092/ijwpr.2014.8467

Abstract
  In this study the effect of different values of peroxide in three levels 3%, 4%, 5% and sodium hydroxide in two levels 2%, 3%, on bleaching of tobacco stalks ( Nicotiana tabacum L. 'PVH 19') soda pulp was investigated. Tobacco stalks were soda pulped using 22% alkali in 170°C for 100 minutes. Produced ...  Read More

Pulp and paper
Identify the Chemical Composition of Tobacco Stem Wood Extractives (Nicotiana tabacum L. 'Coker 347') by Gas Chromatography- Mass Spectrometry

Seyyed Peyman Hashemi Beygzadmahalleh; Seyyed Pedram Hashemi Beygzadmahalleh; Asghar Tabei

Volume 29, SPRING 1 , May 2014, , Pages 66-57

https://doi.org/10.22092/ijwpr.2014.4907

Abstract
  Tobacco (Nicotianan tabacum) and an old industrial plant in the north, Iran to supply tobacco leaf to produce significant amounts of stem tobacco cultivation and the annual production is in the north of the country. In this research stems of tobacco variety Coker 347 randomly Gilan district, city of ...  Read More

Investigation on the effect of acetylation and reduction treatments on the chromophore groups of isolated lignin from unbleached hardwoods chemimecanical pulp using FT-IR spectroscopy

Asghar Tabei; Reza Solhnejad; Arash Farajpoor Roodsari

Volume 29, SPRING 1 , May 2014, , Pages 79-93

https://doi.org/10.22092/ijwpr.2014.4926

Abstract
  This study lignin from unbleached hardwoods chemimechanical pulp was extracted and the chromophor functional groups of the lignin were studied. Acetylation and reduction treatments were perfomed and samples were analyzed by FT-IR spectroscopy. A mild acidic dioxin extraction method was employed to isolate ...  Read More

Composite wood products
Investigation on Physical and Mechanical Properties of Nanocomposites Made From Flour Of Pistachio Shell/ Corn Starch/ Nanoclay

Asghar Tabei; Arash Farajpoor Roodsari

Volume 29, SPRING 1 , May 2014, , Pages 142-155

https://doi.org/10.22092/ijwpr.2014.4910

Abstract
  In this study, effects of the flour of cellulosic shell of Pistachio and nanoclay loading on the physical and mechanical properties of wood plastic composite were investigated. Hence, flour of cellulosic shell of Pistachio, in levels of 30, 40 and 50 and Nano clay of cloisite 15A in three levels (0, ...  Read More

Comparative study of chemical components and morphological features of trunk and cone fibers from loblolly pine grown in Gilan province

Tahereh gholizadeh; Arash Farajpour Roudsari; Asghar Tabei

Volume 28, Issue 3 , October 2013, , Pages 545-560

https://doi.org/10.22092/ijwpr.2013.3462

Abstract
  The purpose of this study was to compare the chemical compositions and biometric features of stem and cone fibers (length, diameter, and wall thickness) and the derived coefficients of loblolly pine (Pinus taeda) in Astara district, Gilan province. Discs from stem and cone were randomly taken and the ...  Read More

Morphological characteristics and chemical components of two corn varieties (oilseed and 704) stalks cultivated in Astara

Iraj Shiyarkar; Asghar Tabei; Arash Farajpoor Roodsari

Volume 28, Issue 3 , October 2013, , Pages 561-582

https://doi.org/10.22092/ijwpr.2013.3463

Abstract
  This study was conducted to determine and compare the morphological characteristics and chemical components of Corn stalks (Zea mays: 704 & Oilseed varieties) cultivated in Astara area. Samples were prepared from both varieties, a part of stalks were selected for chemical components determination ...  Read More

Investigation of the antomical, biometry and chemical characteristics of juvenile and mature poplar (Populus alba) wood

Shima Ramezani; Mohammad Talaeipoor; Misam Aliabadi; Asghar Tabeai; Behzad Bazyar

Volume 28, SPRING 1 , March 2013, , Pages 182-193

https://doi.org/10.22092/ijwpr.2013.3114

Abstract
  Samples were prepared from the native poplar species (Populus alba) grown in Mehnan, a region in Bojnourd at the ages 5 and 25 and the anatomical, biometrical and chemical characteristics of the samples sections in three directions (cross section, radial and tangential) of the tree were measured.  ...  Read More

Anatomical, morphological and chemical properties of Tobacco stalk (Nicotiana tabacum L.)

Vahid Safdari; Seyyed Peyman Hashemi Beygzadmahalleh; Asghar Tabei; Seyyed Khalil Hosseinihashemi

Volume 27, Issue 3 , September 2012, , Pages 495-509

https://doi.org/10.22092/ijwpr.2012.116211

Abstract
  Tobacco (Nicotiana tabacum) is one of the non-wood species and its stalks are the main crop after harvesting  which can be used in composite board and paper industry. For better use of this non-wood fibrous raw material, the evaluation of anatomical, morphological and chemical components are necessary. ...  Read More