COMPARATIVE STUDIES ON ETHYLENE / PROPYLENE / DIENE TERPOLYMERIZATION

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SOBHAN MANESH K.; HAJIZADEH A.

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Journal: Iranian Polymer Journal Year:2004 | Volume:13 | Issue:4 Page(s): 257-262

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Information Journal Paper

Title

COMPARATIVE STUDIES ON ETHYLENE / PROPYLENE / DIENE TERPOLYMERIZATION

Author(s)

SOBHAN MANESH K. | HAJIZADEH A. | Issue Writer Certificate

Keywords

EPDM TERPOLYMERQ4

MICROSTRUCTUREQ4

VOCL3-AL2ET3CL3Q4

INDENYLQ4

RAC-ETIND2ZRCL2-METHYLALUMINOXANEQ4

MOLECULAR WEIGHT DISTRIBUTIONQ4

Abstract

A number of ethylene/propylene/diene elastomers (known as EPDM) were prepared in the presence of homogeneous VOCL3-AL2ET3CL3 and INDENYL, rac-Etlnd2ZrCl2-methylaluminoxane catalyst systems to compare their activity towards EPDM TERPOLYMERization and their effects on the MOLECULAR WEIGHT DISTRIBUTION and the MICROSTRUCTURE of the final products. 5-Ethyliden-2-norbornene (known as EBN) was used as the termonomer. Terpolymers prepared with the vanadium-based catalyst were of the higher molecular weight and more random in structure than those obtained with the zirconium catalyst. The latter catalyst system produced comparatively narrower MOLECULAR WEIGHT DISTRIBUTION. The loss in catalyst activity in presence of the non-conjugated diene was much higher than the anticipated amounts from kinetic parameters.

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APA: Copy

SOBHAN MANESH, K., & HAJIZADEH, A.. (2004). COMPARATIVE STUDIES ON ETHYLENE / PROPYLENE / DIENE TERPOLYMERIZATION . IRANIAN POLYMER JOURNAL (ENGLISH), 13(4), 257-262. SID. https://sid.ir/paper/85918/en

Vancouver: Copy

SOBHAN MANESH K., HAJIZADEH A.. COMPARATIVE STUDIES ON ETHYLENE / PROPYLENE / DIENE TERPOLYMERIZATION . IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2004;13(4):257-262. Available from: https://sid.ir/paper/85918/en

IEEE: Copy

K. SOBHAN MANESH, and A. HAJIZADEH, “COMPARATIVE STUDIES ON ETHYLENE / PROPYLENE / DIENE TERPOLYMERIZATION ,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 13, no. 4, pp. 257–262, 2004, [Online]. Available: https://sid.ir/paper/85918/en

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