Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Sahab Hejazi"'
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 32, Iss 1, Pp 94-105 (2017)
In this study, the effect of beating time on morphologic, physical and strength properties of soda and monoethanolamine pulps obtained from wheat straw was studied, in order to optimize the time for beating operation. Beating of the pulps was applied
Externí odkaz:
https://doaj.org/article/6296169d9ed345d59f969c3d16732b27
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 7, Iss 3, Pp 349-362 (2016)
In this research, effect of reinforcing bagasse pulp and raw bagasse fibers and applying coupling agent MAPE (Maleic Anhydride Polyethylene) on physical-mechanical properties of low density polyethylene (LDPE) composites were studided. Fresh bagasse
Externí odkaz:
https://doaj.org/article/2058a59b59dd40bd959fa174c8a7e876
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 31, Iss 3, Pp 500-509 (2016)
In this research with the aim of using a natural component, renewable and environmentally friendly which is not environmental pollution, the physical and mechanical properties of plywood manufactured by populous with urea formaldehyde resin and silk
Externí odkaz:
https://doaj.org/article/cd721d1000a9403282d28e09ad7bf685
Publikováno v:
Iranian Journal of Wood and Paper Industries, Vol 7, Iss 2, Pp 155-166 (2016)
In this study the beatability of soda and monoethanolamine pulps was compared. The refining of pulps was done in pilot scale Voith refiner Model LR 40. The results show that the maximum tensile and burst indices of monothanolamine pulp are reached wi
Externí odkaz:
https://doaj.org/article/63b8c67893304c919698152b72d15af1
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 31, Iss 1, Pp 30-39 (2016)
In this research, the effect of the wood filler content and coupling agent (MAPP) on the physical and mechanical properties of Polypropylene reinforced with palm wood flour from the annual pruning of palm leaves (Shahani species) composite, were stud
Externí odkaz:
https://doaj.org/article/6e9dd5e077ee42beb2cd895bf49be8bc
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 31, Iss 1, Pp 78-91 (2016)
In this study, the physical and mechanical properties of polypropylene composites reinforced with alkaline sulfite-anthraquinone, soda-anthraquinone and monoethanolamine-anthraquinone and chemical mechanical produced from non-extrated and pre-extract
Externí odkaz:
https://doaj.org/article/1db5dfd9c7c547159bd13ddcffe338f7
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 30, Iss 4, Pp 606-617 (2015)
In this research, capacity of cellulose nanofibers to reinforce of high yield kraft pulp produced (HYKP) from Populus deltoides clone 69-55 for making unbleached top kraft liner (UTKL) was investigated. The variable conditions of cooking were include
Externí odkaz:
https://doaj.org/article/e58a691cb6a34c22bd5ff8c086b51060
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 30, Iss 1, Pp 46-59 (2015)
In this research, rice straw was used as raw material. Potassium hydroxide was combined with monoethanolamine (MEA) as liquor. In another processes NaOH/Na2So3, KOH/K2So3 and KOH 14% was used as references pulp. The results showed that using pure MEA
Externí odkaz:
https://doaj.org/article/4e1c62601c9a46c5a2a75362d018ec75
Publikováno v:
تحقیقات علوم چوب و کاغذ ایران, Vol 29, Iss 1, Pp 170-181 (2014)
In this study, rice straw as an abundant and cheap raw material selected to produce soda - anthraquinone pulp. Nano fiber Cellulose of rice straw were added to improve the pulp strength after cationing. Cationed suspension was mixed at three levels i
Externí odkaz:
https://doaj.org/article/89f1002fbc644e4bba6a0e70f01428b0
Publikováno v:
علوم و تکنولوژی پلیمر, Vol 24, Iss 4, Pp 279-289 (2012)
Residual lignin of wood after MWL isolation was dissolved with 1-butyl-3-methylimidazolium chloride ionic liquid. Chemical structure of isolated MWL from poplar wood (Popolus deltiodes) and dissolved residual lignin were characterized with gas chroma
Externí odkaz:
https://doaj.org/article/5d3223aa3a41416b86288e152a7bfc9f