Results 1 to 10 of about 387 (100)

Investigation of the type and content of gypsum on the dimensional stability and mechanical properties of gypsum particleboard [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2014
In this study in order to investigate the effect of gypsum type on the physical and mechanical properties of gypsum Particleboard were used from two type Jebel and Micronize gypsum.
Hossein Rangavar   +2 more
doaj  

Characterization and Removal of Resins from Mixed Tropical Hardwoods Kraft Pulp [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2011
Wood resin of mixed tropical hardwoods (MTH) Kraft pulp was removed and characterized. Characterization of wood resin from different pulping stages was achieved accurately using Pyrolytic Gas Chromatographic-Mass Spectrometry (Py-GC-MS).
Haydeh Rahmati   +2 more
doaj  

Effect of fungal pre-treatment of poplar chips on its paper brightness reversion [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2017
Unbleached Kraft pulp made from poplar chips, Pre-treated by Trametes versicolor in 1, 2 and 3 weeks (Bio-Kraft pulp), was used as raw material in this study.
Esmaeil Rasooly Garmaroody   +2 more
doaj  

Physical and biometry properties of Evonymus latifolia wood (Case study in Chamestan-Nour) [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2015
The present study carried to investigate physical and biometry properties of Evonymus latifolia wood. For this purpose three normal of trees were selected from Chamestan-Nour city of Mazandaran province.
majid kiyai   +2 more
doaj  

Investigation Some of Physical and Mechanical Properties of Polypropylene Fiber/ Wood /Cement Composites [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2016
In this study, some of the physical and mechanical properties of polypropylene fiber/ wood fiber/ cement composites were investigated. For this aim, three levels of polypropylene fiber, namely 2 wt.%, 3 wt.% and 4 wt.% were mixed with 15 wt.% of wood ...
hamed Younesi-Kordkheili   +2 more
doaj  

The effect of tension wood on roughness of poplar wood and its modification by steaming [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2016
In this research, the effect of tension wood on the roughness of poplar wood in tangential and radial sections was investigated. Steaming at120 ̊C for 30 and 60 min was aslo applied to reduce the roughness.
اصغر طارمیان   +3 more
doaj  

Influence of Recycling on Chemical Properties and Hornification of CMP and [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2012
Cellulose fibers undergo a series of irreversible changes i.e hornification when exposed to cycles of wetting and drying. In this study, the effect of recycling on physical and chemical properties of chemimechanical pulp (CMP) and neutral sulfite semi ...
Mohammad Azadfallah   +2 more
doaj  

Evaluation of Pulp and Paper Properties obtained from Maple Juvenile Wood through Organosolv Alcohol Method Catalyzed by Calcium and Magnesium Salts [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2015
The properties of catalyzed organosolv pulp obtained from maple juvenile wood were studied. The physical properties of fiber (e.g. length, width, and cell membrane thickness) and chemical composition of maple juvenile wood (e.g. average cellulose, lignin,
Reza Naghdi   +2 more
doaj  

بررسی تاثیر پودر پلی اتیلن بازیافتی بر خصوصیات فیزیکی و مکانیکی تخته خرده چوب سه لایه [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2017
در این تحقیق، خواص فیزیکی و مکانیکی تخته خرده چوب سه لایه ساخته شده با پودر پلی اتیلن بازیافتی و ذرات خرده چوب مورد بررسی قرار گرفت. برای این منظور از پودر پلی اتیلن بازیافتی در سطوح مختلف (0، 10، 20، 30، 40 و 50 درصد) و چسب اوره فرم آلدهید در دو سطح 5 و
سید جواد طباطبایی   +3 more
doaj  

The effect of chemical treatment and compression percent on mechanical properties of Paulownia compressed wood [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2014
Since human creation up to now, wood has been discussed as an important organic material, therefore its maintain and optimum usage is a considerable problem.
Mahboobeh Mehmandoost   +1 more
doaj  

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