Search Results - "Reza Rashedi"

Exploring cocatalyst type effect on the Ziegler–Natta catalyzed ethylene polymerizations: experimental and DFT studies by Masoori, Maryam, Nekoomanesh, Mehdi, Posada-Pérez, Sergio, Rashedi, Reza, Bahri-Laleh, Naeimeh

“…Due to the important role of cocatalyst in the polymerization process employing industrially favored Ziegler–Natta catalysts, its effect on kinetic behavior,…”
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Probing into Effects of Support Pre-Treatment on the Polymerization Behavior and Morphology Development of Mg(OEt)2-Based Ziegler–Natta Catalysts by Jandaghian, Mohammad Hossein, Maddah, Yasaman, Sepahi, Abdolhannan, Rashedi, Reza, Nikzinat, Ehsan, Masoori, Maryam

“…In this study, commercially available, milled, and heat-treated Mg(OEt) 2 were used as the precursors in the synthesis procedure of industrially-favorable…”
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Synthesis of novel Ziegler Natta catalyst in the presence of internal promoter and electron donors for ethylene and ethylene/ 1-hexene polymerization by Bazgir, Hossein, Abbas-Abadi, Mehrdad Seifali, Haghighi, Mehdi Nekoomanesh, Darounkola, Mohammad Reza Rostami, Issaabadi, Zahra, Rashedi, Reza

“…In this study, the simultaneous effect of cyclohexyl chloride (CHC) as a high-performance promoter and different electron donors (ED) on ethylene…”
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Structure–Performance Relationship(SPR) of Ziegler Natta catalysts(TiCl4/MgCl2-based) in ethylene/1-butene and ethylene/1-hexene copolymerization by Masoori, Maryam, Rashedi, Reza, Sepahi, Abdolhannan, Jandaghian, Mohammad Hossein, Nikzinat, Ehsan, Houshmandmoayed, Saeed

“…In this study, the relationship between the characteristics of catalysts and polymerization conditions with catalyst behavior and polymer properties in the…”
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Study on polymerization conditions in homo- and copolymer syntheses of norbornene/1-hexene with nickel-based late-transition metal catalyst by Soleimannezhad, Ahmad, Mortazavi, Seyed Mohammad Mahdi, Ahmadjo, Saeid, Mansouri, Samira, Rashedi, Reza

“…Norbornene (NB) homopolymerization as well as its copolymerization with 1-hexene (H) were investigated using nickel-based catalyst. The effects of Al/Ni ratio,…”
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The effect of different process parameters on the TiCl4/internal donor/MgCl2/AlEt3 catalytic system using external donor and cyclohexylchloride by Abbas-Abadi, Mehrdad Seifali, Rashedi, Reza, Sepahi, Abdolhannan, Heydari, Leila, Farhadi, Ali, Biglarkhani, Mehdi

“…In this work, the effects of different process parameters were investigated on the performance of TiCl 4 /internal donor/MgCl 2 /AlEt 3 catalytic system and…”
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Variation of Comonomer Content in LLDPE Particles with Different Sizes from an Industrial Fluidized Bed Reactor by Rashedi, Reza, Sharif, Farhad

“…Properties of linear low-density polyethylene (LLDPE) are highly influenced by molecular weight distribution and comonomer content. Our study quantifies…”
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Theoretical and experimental assessment of UV resistance of high‐density polyethylene: Screening and optimization of hindered amine light stabilizers by Davand, Razieh, Rahimpour, Mohammad Reza, Hassanajili, Shadi, Rashedi, Reza

“…Hindered amine light stabilizers (HALS) are widely used chemical stabilizers for preventing polymer degradation. In this study, the effects of type of HALS and…”
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Experimental Study on the Relationship between Particles Size and Properties of Polyethylene Powder from an Industrial Fluidized Bed Reactor by Rashedi, Reza, Sharif, Farhad

“…Gas phase production of polyethylene (PE) results in a powder with particles of different sizes. This experimental work on the samples from an industrial…”
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Correlation between isothermal crystallization properties and slow crack growth resistance of polyethylene pipe materials by Gholami, Farzad, Pircheraghi, Gholamreza, Rashedi, Reza, Sepahi, Abdulhanan

“…In this study, three PE100 polyethylene materials with fairly different short chain branch distributions were used to characterize the relation between thermal…”
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Morphology, phase diagram, and properties of high‐density polyethylene/thermally treated waste polyethylene wax blends by Esmaeilzade, Romina, Sharif, Farhad, Rashedi, Reza, Dordi Nejad, Abdolkamal

“…Waste polyethylene wax is thermally treated using a rotary evaporator to reduce unwanted components. Fourier transform infrared proves the absence of…”
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A systematic study on the effect of co-catalysts composition on the performance of Ziegler-Natta catalyst in ethylene/1-butene co-polymerizations by Masoori, Maryam, Nekoomanesh, Mehdi, Posada-Pérez, Sergio, Rashedi, Reza, Bahri-Laleh, Naeimeh

“…Effect of the type and composition of conventional co-catalysts on the catalytic performance of Ziegler-Natta catalysts has been investigated by means of a…”
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Effects of polymerization parameters on the slow crack growth resistance and rheological properties of bimodal polyethylene resins by Jandaghian, Mohammad Hossein, Maddah, Yasaman, Sepahi, Abdolhannan, Houshmandmoayed, Saeed, Nikzinat, Ehsan, Masoori, Maryam, Afzali, Kamal, Rashedi, Reza

“…In this paper, using a comprehensive study, we have investigated the effect of various polymerization parameters during the synthesis of bimodal polyethylene…”
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Probing into Effects of Support Pre-Treatment on the Polymerization Behavior and Morphology Development of Mg.sub.2-Based Ziegler-Natta Catalysts by Jandaghian, Mohammad Hossein, Maddah, Yasaman, Sepahi, Abdolhannan, Rashedi, Reza, Nikzinat, Ehsan, Masoori, Maryam

“…In this study, commercially available, milled, and heat-treated Mg(OEt).sub.2 were used as the precursors in the synthesis procedure of industrially-favorable…”
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Chlorination of Mg(OEt)2 with Halocarbons: A Promising Approach for Eliminating Chlorine-Containing Activators from Ziegler–Nattas’ Recipes by Jandaghian, Mohammad Hossein, Maddah, Yasaman, Sepahi, Abdolhannan, Hosseini, Shahin, Nikzinat, Ehsan, Masoori, Maryam, Afzali, Kamal, Rashedi, Reza, Houshmandmoayed, Saeed

“…Due to the many risks of using chlorinated alkylaluminum cocatalysts (CACs), reducing or omitting their amount in methods used for synthesizing Ziegler–Natta…”
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The UV stability of polyethylene pipes with different comonomer content: Effect of carbon black masterbatch by Davand, Razieh, Hassanajili, Shadi, Rahimpour, Mohammad Reza, Rashedi, Reza, Sepahi, Abdolhannan, Hosseini, Shahin, Afzali, Kamal, Valieghbal, Khosro

“…The relationship between career resin of carbon black (CB) masterbatch and the performance of bimodal polyethylene pipes (PE100) under ultraviolet (UV)…”
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Design of a Neuro‐Based Computing Paradigm for Simulation of Industrial Olefin Plants by Esmaeili-Faraj, Seyyed Hamid, Vaferi, Behzad, Bolhasani, Akbar, Karamian, Soroush, Hosseini, Shahin, Rashedi, Reza

“…A neuro‐based computing technique is used for simulation of olefin plants at industrial scale. Artificial neural networks are applied to estimate the flow rate…”
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Investigation of the effects of heat treatment parameters during synthesis of titanium-magnesium-based Ziegler-Natta catalysts by Jandaghian, Mohammad Hossein, Maddah, Yasaman, Nikzinat, Ehsan, Masoori, Maryam, Sepahi, Abdolhannan, Rashedi, Reza

“…Many researchers have studied the effects of donors, promoters and alkyl aluminum compounds on the polymerization catalysts, the polymerization process and the…”
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Structure-Performance Relationship in ethylene/1-butene and ethylene/1-hexene copolymerization by Masoori, Maryam, Rashedi, Reza, Sepahi, Abdolhannan, Jandaghian, Mohammad Hossein, Nikzinat, Ehsan, Houshmandmoayed, Saeed

“…In this study, the relationship between the characteristics of catalysts and polymerization conditions with catalyst behavior and polymer properties in the…”
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Recovery of titanium dioxide from catalyst effluents of polyethylene production plants and its application in the photocatalytic treatment of azo dye-containing wastewater by Jani, Farzad, Afzali, Seyyed Kamal, Adhamdoust, Seyyed Reza, Houshmand Moayed, Saeed, Sepahi, Abdolhannan, Rashedi, Reza, Bahrampour, Reza

“…This research aims to recover the titanium dioxide (TiO 2 ) from Ziegler–Natta catalyst effluents of polyethylene production plants and its implementation in…”
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