Mechanical and Thermal Properties of Unsaturated Polyester/Vinyl Ester Blends Cured at Room Temperature

Unsaturated polyester (UP) resin containing aromatic ring was blended with vinyl ester (VE) at wide range composition (10, 20, 30, 40,and 80 wt.%) using mechanical blending method. The blends were cured at room temperature using methyl ethyl ketone peroxide (MEKP) (4 wt.%) as catalyst initiator with...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2017-05, Vol.202 (1), p.12088
Main Authors: Ardhyananta, H, Puspadewa, F D, Wicaksono, S T, Widyastuti, Wibisono, A T, Kurniawan, B A, Ismail, H, Salsac, A V
Format: Article
Language:English
Subjects:
Aromatic compounds
Composition effects
Copolymerization
Copolymers
Esters
Fourier transforms
Hardness tests
Infrared analysis
Infrared spectroscopy
Methyl ethyl ketone
Morphology
Polyesters
polymer blend
Polymer blends
Room temperature
Spectrum analysis
Tensile tests
thermal properties
Thermodynamic properties
Thermogravimetric analysis
Thermosetting resins
unsaturated polyester
vinyl ester
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Summary:Unsaturated polyester (UP) resin containing aromatic ring was blended with vinyl ester (VE) at wide range composition (10, 20, 30, 40,and 80 wt.%) using mechanical blending method. The blends were cured at room temperature using methyl ethyl ketone peroxide (MEKP) (4 wt.%) as catalyst initiator without the presence of catalystaccelerator. The effect of vinyl ester composition on theenhancement of mechanical and thermal properties of unsaturated polyester/vinyl ester blends was investigated. The polymer blends were characterized by Fourier Transform Infra Red (FTIR)spectroscopy, tensile testing, hardness testing, scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). IR spectra showed UP and VE peaks. The curing copolymerization reactionoccurred at vinyl (C=C) bonds. The addition of vinyl esters enhanced mechanical and thermal properties. The UP/VE blends showed homogeneous morphology, transparent and copolymer thermoset blend.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/202/1/012088