SYNTHESIS AND CHARACTERIZATION OF EPDM ELASTOMERS

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REKABDAR F.; SHAYEGH F.; SHOJAEI MEHRDAD; MOAZAMI M.

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Journal: PETROLEUM RESEARCH Year:2009 | Volume:19 | Issue:59 Page(s): 36-45

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Title

SYNTHESIS AND CHARACTERIZATION OF EPDM ELASTOMERS

Author(s)

REKABDAR F. | SHAYEGH F. | SHOJAEI MEHRDAD | MOAZAMI M. | Issue Writer Certificate

Keywords

EPDMQ3

VANADIUM CATALYSTQ3

SOLUTION POLYMERIZATIONQ3

ETHYLENE-PROPYLENE COPOLYMERSQ3

Abstract

A series of ethylene-propylene-2-ethylidenebicyclo [2.2.1] hept.5-ene terpolymers (EPDM) have been prepared using a VOCl3/Al2Et3Cl3 catalyst under various AIN ratios and diene concentrations via SOLUTION POLYMERIZATION and characterized by FTIR, Mooney viscosity (ML1+4, 125°C), and thermal gravimetery analyzing. The polymerization yield was seen to increase with augmentation of the AIN ratio and diene concentration and pass through a maximum of about 200gr polymer/g V. On the other hand, Mooney viscosity decreases with an increase in the two latter parameters. Increasing solvent to monomer ratio increased polymerization yield while it decreased Mooney viscosity. Accordingly, an optimum amount of solvent to monomer ratio (4:1 in mass) was found. One advantage of these polymer systems is that all the measured Tg property remained constant around 232-240 K in the range of incorporated ethylene and diene concentration. It has been observed that when AIN ratio decreases and diene concentration increases, there is an increment in ethylene incorporation (40-60%), and the results have been compared with the characteristics of two commercial EPDMs (Herlen 563, Vistalon 7500).

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APA: Copy

REKABDAR, F., SHAYEGH, F., SHOJAEI, MEHRDAD, & MOAZAMI, M.. (2009). SYNTHESIS AND CHARACTERIZATION OF EPDM ELASTOMERS. PETROLEUM RESEARCH, 19(59), 36-45. SID. https://sid.ir/paper/114942/en

Vancouver: Copy

REKABDAR F., SHAYEGH F., SHOJAEI MEHRDAD, MOAZAMI M.. SYNTHESIS AND CHARACTERIZATION OF EPDM ELASTOMERS. PETROLEUM RESEARCH[Internet]. 2009;19(59):36-45. Available from: https://sid.ir/paper/114942/en

IEEE: Copy

F. REKABDAR, F. SHAYEGH, MEHRDAD SHOJAEI, and M. MOAZAMI, “SYNTHESIS AND CHARACTERIZATION OF EPDM ELASTOMERS,” PETROLEUM RESEARCH, vol. 19, no. 59, pp. 36–45, 2009, [Online]. Available: https://sid.ir/paper/114942/en

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