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Theses/Dissertations

Electronic Thesis and Dissertation Repository

Materials Science and Engineering

2015

Activation energy

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Synthesis, Characterization And Applications Of Lignin-Based Epoxy Resins, Fatemeh Ferdosian Apr 2015

Synthesis, Characterization And Applications Of Lignin-Based Epoxy Resins, Fatemeh Ferdosian

Electronic Thesis and Dissertation Repository

Epoxy resin is one of the most versatile thermosetting polymers with diverse applications. Epoxy resins are mainly produced from the reaction of bisphenol-A (BPA) and epichlorohydrin. The consumption of bisphenol-A is facing growing concerns over its carcinogenic effects and its sustainability. Lignin can be a promising renewable substitute of bisphenol-A in the synthesis of epoxy resins.

In this thesis work, a novel method has been developed for the synthesis of bio-based epoxy resins with reduced side reactions, employing de-polymerized lignin from organosolv lignin (DOL), kraft lignin (DKL) and hydrolysis lignin (DHL) under alkaline condition in the presence of a phase …