2012
DOI: 10.1007/s11746-012-2102-2
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Properties of Biobased Epoxy Resins from Epoxidized Soybean Oil (ESBO) Cured with Maleic Anhydride (MA)

Abstract: Epoxidized soybean oil (ESBO), obtained from a renewable resource was used in the production of thermoset resins. Samples of the ESBO were initially treated with maleic anhydride, equal mixture of catalyst (1,3‐butanediol anhydrous and benzyldimethylamine) and the mixture was cured for 5 h at different temperatures. After the curing process, the ratio between the ESBO and the anhydride (ratio EEW:AEW) was evaluated in terms of the different mechanical properties produced using flexural, Shore D hardness and Ch… Show more

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Cited by 82 publications
(57 citation statements)
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“…Previous work with ESBO derived epoxy resins has shown that T g 's are lowered with decreasing levels of anhydride ([E:A ratio) [26,42] and this was observed for all six oil/anhydride combinations in this study. This is attributed to a lowering of crosslink density within each series as the anhydride levels are decreased, (due to unreacted epoxides), and provides the polymer with an increase in elasticity from the linear chains.…”
Section: Thermal Propertiessupporting
confidence: 78%
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“…Previous work with ESBO derived epoxy resins has shown that T g 's are lowered with decreasing levels of anhydride ([E:A ratio) [26,42] and this was observed for all six oil/anhydride combinations in this study. This is attributed to a lowering of crosslink density within each series as the anhydride levels are decreased, (due to unreacted epoxides), and provides the polymer with an increase in elasticity from the linear chains.…”
Section: Thermal Propertiessupporting
confidence: 78%
“…This correlates to the greater proportion of epoxidized linoleic chains and is in agreement with the trends found by Webster [37] for the polymerization of epoxy sucrose esters and cyclic anhydrides. The cure temperature range was similar to that observed for epoxy resins derived from ESBO and maleic anhydride (C T = 150°C) [26]. It was also possible to determine the enthalpy of polymerization from the area under the DSC curve.…”
Section: Curing Kineticssupporting
confidence: 56%
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