Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Saeid Kazemi najafi"'
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 8, Iss 1, Pp 95-108 (2017)
The goal of this study was to investigate the effects of joints members type (oriented strand lumber, plywood and poplar wood (Populusdeltoides), penetration deeps of staple (12 and 17mm) and adhesives (with and without adhesive) on face and edge wit
Externí odkaz:
https://doaj.org/article/18e9153997e64d97a3e740c71e2e0d2f
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 32, Iss 1, Pp 1-12 (2017)
Abstract The present research work has investigated the physical and mechanical properties of hygro-thermally modified poplar (Populus deltoides) wood. The poplar wood blocks were treated hygrothermally at temperatures of 130, 150 and 170°C and for
Externí odkaz:
https://doaj.org/article/f8ed758644ca4d38bf836f6ee0297f57
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 26, Iss 4, Pp 811-823 (2011)
In this study, physical and mechanical properties of composites made of bark flour and polypropylene were studied and compared with those of wood flour-polypropylene composites. Bark flour content were adjusted at three levels (40, 50 and 60%) and co
Externí odkaz:
https://doaj.org/article/dcde69ad573342c78a515461daec317d
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 1, Iss 2, Pp 103-113 (2011)
In this study, the effect of two lignin mixing methods on physical and mechanical properties of wood flour- polypropylene composites was investigated. Kraft lignin was extracted from black liquor by acidic method and was mixed with wood flour by phys
Externí odkaz:
https://doaj.org/article/6d9de51dea2e41698bcea8f86c62463d
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 26, Iss 3, Pp 454-465 (2011)
Effect of Kraft lignin as a compatibilizer on the short-term water absorption (2 and 24 hours) and mechanical properties of wood flour-polypropylene composites was studied. The black liquor of Chooka pulp and paper mill was acidified and Kraft lignin
Externí odkaz:
https://doaj.org/article/09e98e0f7de64950b5d04d2e18e5363a
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 1, Iss 1, Pp 67-78 (2011)
The influence of concentration (2, 3 and 5%) of Maleic Anhydride Grafted Polypropylene (MAPP) on long term water absorption and thickness swelling of wood flour/E-glass fiber Hybrid polypropylene composites were studied. The samples (strips with 10 m
Externí odkaz:
https://doaj.org/article/e3059264bb1649a38a67b62eef809041
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 24, Iss 2, Pp 194-205 (2009)
In study, the influence of flour content and immersion time in water on the creep behavior of composites made from mixes PB (Particle Board) and MDF (Medium Density Fiber Board) flour and high density polyethylene (HDPE) waste and was investigated. M
Externí odkaz:
https://doaj.org/article/e0830b3670044090ac0629206de09f99
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 24, Iss 2, Pp 315-321 (2009)
This research focused on the influence of content (5, 10 and 15 %) of glass fiber on the water absorption and thickness swelling of wood flour/E-glass fiber hybrid polypropylene composites without and with MAPP. The samples (strips with 10 mm thickne
Externí odkaz:
https://doaj.org/article/a6b8a7c192d643cdaefcb07e3a73e562
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 21, Iss شماره 1, Pp 1-8 (2006)
Ultrasonic wave speed was measured in the longitudinal direction of Basswood on the top and bottom surfaces and center of lumbers during kiln drying in 3 Kiln load programs with final dry bulb of 80oC and different relative humidities. On the surface
Externí odkaz:
https://doaj.org/article/ac7c7e283df24313ae578786dfaf0215
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 21, Iss شماره 1, Pp 33-42 (2006)
The possibility of producing wood-plastic panels using two methods including melt blend and dry blend was studied in this research. Methods were compared with each other in order to select the best. Wood-Plastic panels were made from high density pol
Externí odkaz:
https://doaj.org/article/3fb5a257b8c345998f6d5a8248fa3c6f