PREPARATION OF 
POLYETHYLENE NANO-FIBRES USING ROD-LIKE MCM-41/TICL4/MGCL2/THF 
BI-SUPPORTED ZIEGLER-NATTA CATALYTIC SYSTEM

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NEJABAT GH.R.; NEKOUMANESH M; ARABI HASAN

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Journal Paper

Paper Information

Journal: Iranian Polymer Journal Year:2010 | Volume:19 | Issue:2 (116) Page(s): 79-87

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Title

PREPARATION OF POLYETHYLENE NANO-FIBRES USING ROD-LIKE MCM-41/TICL4/MGCL2/THF BI-SUPPORTED ZIEGLER-NATTA CATALYTIC SYSTEM

Author(s)

NEJABAT GH.R. | NEKOUMANESH M | ARABI HASAN | Issue Writer Certificate

Keywords

MCM-41/TICL4/MGCL2/THF

BI-SUPPORTED

ETHYLENE POLYMERIZATION

ZIEGLER-NATTA

POLYETHYLENE NANO-FIBRES

Abstract

One of the known groups of mesoporous materials is MCM-41 that has been extensively used as support for different types of catalysts. In the present work, rod-like MCM-41 was synthesized to support TiCl4/MgCl2/THF catalyst to form the BI-SUPPORTED rod-like-MCM-41/TiCl4/MgCl2/THF catalytic system. Then, ETHYLENE POLYMERIZATION was performed by this synthesized catalytic system under 8 bar ethylene pressure. The formation of rod-like semi-crystalline mesoporous MCM-41 with relatively high surface area (~972 m2/g) was confirmed by SEM, XRD, and BET studies. FTIR spectroscopy was used to confirm the omission of the organic template and water from the synthesized MCM-41. Investigating the specific surface area of the prepared catalyst by BET analysis showed that after loading the catalyst on MCM-41 support, the surface area is reduced considerably and it is reached a value of approximately 486 m2/g. XRD, SEM, and DSC analyses revealed that the synthesized PE samples contained nano-fibres as their main morphological units. SEM analysis showed the formation of dense polyethylene fibres with nanometer sized diameters and lengths of about 1 to more than 20 micrometers. DSC analysis showed the high melting point of 144°C for the synthesized PE samples and their crystal structure was assigned to be orthorhombic by XRD investigations. Finally a relatively high activity of 11×104 g PE/mol Ti.h was obtained for the catalytic system.

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APA: Copy

NEJABAT, GH.R., NEKOUMANESH, M, & ARABI, HASAN. (2010). PREPARATION OF POLYETHYLENE NANO-FIBRES USING ROD-LIKE MCM-41/TICL₄/MGCL₂/THF BI-SUPPORTED ZIEGLER-NATTA CATALYTIC SYSTEM. IRANIAN POLYMER JOURNAL (ENGLISH), 19(2 (116)), 79-87. SID. https://sid.ir/paper/558437/en

Vancouver: Copy

NEJABAT GH.R., NEKOUMANESH M, ARABI HASAN. PREPARATION OF POLYETHYLENE NANO-FIBRES USING ROD-LIKE MCM-41/TICL₄/MGCL₂/THF BI-SUPPORTED ZIEGLER-NATTA CATALYTIC SYSTEM. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2010;19(2 (116)):79-87. Available from: https://sid.ir/paper/558437/en

IEEE: Copy

GH.R. NEJABAT, M NEKOUMANESH, and HASAN ARABI, “PREPARATION OF POLYETHYLENE NANO-FIBRES USING ROD-LIKE MCM-41/TICL₄/MGCL₂/THF BI-SUPPORTED ZIEGLER-NATTA CATALYTIC SYSTEM,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 19, no. 2 (116), pp. 79–87, 2010, [Online]. Available: https://sid.ir/paper/558437/en

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