Authors
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Thunga, M. ; Xia, Y. ; Gohs, U. ; Heinrich, G. ; Larock, R. C. ; Kessler, M. R.
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Title
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Influence of electron beam irradiation on the mechanical properties of vegetable-oil-based biopolymers
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Date
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31.08.2012
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Number
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37544
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Abstract
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The influence of electron beam (EB) irradiation on the mechanical properties of biopolymers from modified linseed oil is studied. The thermoset is prepared by copolymerizing norbornenyl-functionalized linseed oil and dicyclopentadiene (DCPD) by ring-opening metathesis polymerization (ROMP). EB irradiation of the bulk polymer results in a substantial increase in the crosslinking density. The residual carbon-carbon double bonds remaining after ROMP are expected to act as further crosslinking sites upon exposure to the high-energy electrons. The increase in the crosslinking density is studied by DMA and sol/gel fraction measurements from Soxhlet extraction. Tensile testing reveals that Young's modulus and tensile strength are enhanced after EB irradiation.
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Publisher
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Macromolecular Materials and Engineering
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Wikidata
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Citation
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Macromolecular Materials and Engineering 297 (2012) 799-806
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DOI
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https://doi.org/10.1002/mame.201100339
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Tags
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