A COMPARATIVE STUDY ON THE THERMAL RESISTANCE, FLAMMABILITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER AND EPOXY RESINS

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fathizade mohammad ali; BEHESHTY MOHAMMAD HOSAIN

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Journal: Iranian Journal of Polymer Science and Technology Year:2016 | Volume:28 | Issue:5 Page(s): 409-419

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Title

A COMPARATIVE STUDY ON THE THERMAL RESISTANCE, FLAMMABILITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER AND EPOXY RESINS

Author(s)

fathizade mohammad ali | BEHESHTY MOHAMMAD HOSAIN | Issue Writer Certificate

Keywords

RESINQ2

UNSATURATED POLYESTERQ1

EPOXYQ2

COMPOSITEQ3

FLAMMABILITYQ2

Abstract

A comparative study has been carried out on thermal properties, FLAMMABILITY and mechanical properties of three different kinds of UNSATURATED POLYESTER RESINs, ortho, iso and vinyl ester and an EPOXY RESIN based on diglycidyl etherof bisphenol-A. Because of the wide application of these RESINs in the COMPOSITE industryit is vital to understand their properties. For this purpose, viscosity, burning rate, limitingoxygen index (LOI) and flexural properties were measured. Fourier transform infrared (FTIR) spectroscopy and thermal gravimetric analysis were also performed. Theviscosity of UNSATURATED POLYESTER RESINs which was in the range of 300 to 450 cP showedan advantage compared to the viscosity of EPOXY RESIN which was in the range of 600to 1000 cP. The low viscosity which usually appears in UNSATURATED POLYESTER RESINs isvery important from the processing point of view, which in turn helps to ensure a simpleprocessing. The ortho RESIN showed the highest conversion and conversion rate amongthe three UNSATURATED POLYESTER RESINs. The vinyl ester RESIN showed a higher conversionthan the iso RESIN. The results showed that the vinyl ester RESIN had the highest thermalresistance, FLAMMABILITY and mechanical properties among the UNSATURATED POLYESTERRESINs used in this work. On the other hand, although the EPOXY RESIN showed the highestburning rate but it had the highest carbon residue or char yield (12.4%) and LOI (20.2%), and consequently the highest thermal resistance. The results of flexural test have shownthat the EPOXY RESIN has displayed the highest flexural strength (116 MPa) and modulus (4.1 GPa) and the lowest deflection-at-break (2.8%) and toughness in comparison withthe UNSATURATED POLYESTER RESINs used in this work.

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APA: Copy

fathizade, mohammad ali, & BEHESHTY, MOHAMMAD HOSAIN. (2016). A COMPARATIVE STUDY ON THE THERMAL RESISTANCE, FLAMMABILITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER AND EPOXY RESINS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 28(5), 409-419. SID. https://sid.ir/paper/6728/en

Vancouver: Copy

fathizade mohammad ali, BEHESHTY MOHAMMAD HOSAIN. A COMPARATIVE STUDY ON THE THERMAL RESISTANCE, FLAMMABILITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER AND EPOXY RESINS. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2016;28(5):409-419. Available from: https://sid.ir/paper/6728/en

IEEE: Copy

mohammad ali fathizade, and MOHAMMAD HOSAIN BEHESHTY, “A COMPARATIVE STUDY ON THE THERMAL RESISTANCE, FLAMMABILITY AND MECHANICAL PROPERTIES OF UNSATURATED POLYESTER AND EPOXY RESINS,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 28, no. 5, pp. 409–419, 2016, [Online]. Available: https://sid.ir/paper/6728/en

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