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http://dx.doi.org/10.7473/EC.2014.49.1.24

Effect of 3-Amino-1,2,4-triazole on Microstructure and Properties of Maleated HDPE/Maleated EPDM Blend  

Kim, Tae Hyun (Department of Fusion Chemical Engineering, Hanyang University)
Chang, Young-Wook (Department of Fusion Chemical Engineering, Hanyang University)
Lee, Yong Woo (Department of Chemistry and Applied Chemistry, Hanyang University)
Kim, Dong Hyun (Convergent Technology, R&D Division, Korea Institute of Industrial Technology)
Publication Information
Elastomers and Composites / v.49, no.1, 2014 , pp. 24-30 More about this Journal
Abstract
3-Amino-1,2,4-triazole (ATA) (2.5 and 5.0 phr) was incorporated into a immiscible maleated ethylene propylene diene rubber(mEPDM)/maleated high density polyethylene(mHDPE) (50 wt%/50 wt%) blend by melt mixing. Effects of the ATA on structure, mechanical and rheological properties of the blend was investigated. FT-IR and DMA results revealed that supramolecular hydrogen bonding interactions between the polymer chains occur by reaction of ATA with maleic anhydride grafted onto the component polymers in the blend, which induces the physical crosslinks in the blend. FE-SEM analysis showed that mEPDM forms a dispersed phase in continuous mHDPE matrix, and the blend with the ATA has finer phase morphology as compared to the blend without the ATA. By the addition of ATA in the blend, there were significant increases in tensile strength, modulus and elongation-at-break as well as elastic recoverability. Melt rheology studies revealed that ATA induced substantial increase in storage modulus and complex viscosity of the blend at the melt state.
Keywords
maleated EPDM/maleated HDPE blend; 3-amino-1,2,4-triazole (ATA); supramolecular hydrogen bonding network;
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Times Cited By KSCI : 1  (Citation Analysis)
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