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- Title
Influence of Electron Beam Irradiation on the Mechanical Properties of Vegetable-Oil-Based Biopolymers.
- Authors
Thunga, Mahendra; Xia, Ying; Gohs, Uwe; Heinrich, Gert; Larock, Richard C.; Kessler, Michael R.
- Abstract
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.
- Publication
Macromolecular Materials & Engineering, 2012, Vol 297, Issue 8, p799
- ISSN
1438-7492
- Publication type
Article
- DOI
10.1002/mame.201100339