MORPHOLOGY, MICROSTRUCTURE AND PHYSICO-MECHANICAL PROPERTIES OF PASARGAD BITUMEN, MODIFIED BY ETHYLENE-VINYL ACETATE COPOLYMER (EVA) AND NANOCLAY

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GHAEMPOUR AREZOO; TAVAKOLI AKRAM; RAZAVI AGHJEH MIRKARIM; MOHAMMADI ROODBARI MOTAHAREH

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Journal: Iranian Journal of Polymer Science and Technology Year:2015 | Volume:28 | Issue:4 Page(s): 289-299

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Title

MORPHOLOGY, MICROSTRUCTURE AND PHYSICO-MECHANICAL PROPERTIES OF PASARGAD BITUMEN, MODIFIED BY ETHYLENE-VINYL ACETATE COPOLYMER (EVA) AND NANOCLAY

Author(s)

GHAEMPOUR AREZOO | TAVAKOLI AKRAM | RAZAVI AGHJEH MIRKARIM | MOHAMMADI ROODBARI MOTAHAREH | Issue Writer Certificate

Keywords

MODIFIED BITUMENQ2

PHYSICO-MECHANICAL PROPERTIESQ2

RHEOLOGYQ2

MORPHOLOGYQ2

EVA/CLOISITE 15AQ2

Abstract

Due to the characteristics such as flexibility, adhesion, hydrophobicity and low price, bitumen is used in different construction and insulation industries. The major problem with the bitumen material is its restricted PHYSICO-MECHANICAL PROPERTIES, mainly high temperature rutting and low temperature cracking. The aim of this work was to modify bitumen, produced in Tabriz Pasargad Oil Company, and evaluation of its different properties to make it suitable for the weather conditions of North West of Iran. The physico-mechanical, morphological and rheological characteristics of EVA/CLOISITE 15A MODIFIED BITUMEN were studied. Two different feeding instructions were used in the mixing of bitumen with modifiers. In the first method, EVA and Cloisite 15A nanoclay were simultaneously added into the molten bitumen and in the second method, EVA and Cloisite 15A were premixed in an internal mixer before adding the polymer/nanoclay nanocomposite into the molten bitumen. The results showed that addition of nanoclay and polymer into the bitumen, led increased softening point and a decrease in the penetration of base bitumen, in which the extent of changes, was higher for the samples prepared by masterbatch method. The rheological properties of the pre-mixed samples exhibited more improvement and these samples showed more elastic behavior. The results of optical microscopy showed that the pre-mixing of polymer and nanoclay led to a more uniform distribution of the swollen polymer phase at the base bitumen. These samples also showed higher MORPHOLOGY stability than those samples prepared in single step. These effects were related to the probable localization of nanoclay at the interface of the two phases.

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APA: Copy

GHAEMPOUR, AREZOO, TAVAKOLI, AKRAM, RAZAVI AGHJEH, MIRKARIM, & MOHAMMADI ROODBARI, MOTAHAREH. (2015). MORPHOLOGY, MICROSTRUCTURE AND PHYSICO-MECHANICAL PROPERTIES OF PASARGAD BITUMEN, MODIFIED BY ETHYLENE-VINYL ACETATE COPOLYMER (EVA) AND NANOCLAY. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 28(4), 289-299. SID. https://sid.ir/paper/6641/en

Vancouver: Copy

GHAEMPOUR AREZOO, TAVAKOLI AKRAM, RAZAVI AGHJEH MIRKARIM, MOHAMMADI ROODBARI MOTAHAREH. MORPHOLOGY, MICROSTRUCTURE AND PHYSICO-MECHANICAL PROPERTIES OF PASARGAD BITUMEN, MODIFIED BY ETHYLENE-VINYL ACETATE COPOLYMER (EVA) AND NANOCLAY. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2015;28(4):289-299. Available from: https://sid.ir/paper/6641/en

IEEE: Copy

AREZOO GHAEMPOUR, AKRAM TAVAKOLI, MIRKARIM RAZAVI AGHJEH, and MOTAHAREH MOHAMMADI ROODBARI, “MORPHOLOGY, MICROSTRUCTURE AND PHYSICO-MECHANICAL PROPERTIES OF PASARGAD BITUMEN, MODIFIED BY ETHYLENE-VINYL ACETATE COPOLYMER (EVA) AND NANOCLAY,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 28, no. 4, pp. 289–299, 2015, [Online]. Available: https://sid.ir/paper/6641/en

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