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Thermo-Mechanical Characterization of Sustainable Composites Made From Bio-Based Polyester Resins and Nitroxide Mediated Hydroperoxide Initiators

Thermo-Mechanical Characterization of Sustainable Composites Made From Bio-Based Polyester Resins and Nitroxide Mediated Hydroperoxide Initiators

Mahesh Hosur
Abstract
With the depletion of petrochemical resources, the increase in greenhouse gases emission, and shrinking landfill capacity, the manufacture, use, and disposal of synthetic composites is at an all-time high. This does not lead to any form of sustainable use of composites, let alone allow for growth of the use and supporting industry. Many researchers and industry partners understand the need for sustainable composites and have renewed the research and funding for such progress. One of the particular areas is the expansion into nitroxide mediated polymerization due to the reduction in uncontrolled exothermic reactions during the curing process of thick components. This allows larger and thicker natural composites to be fabricated with a lower cure temperature. The research has expanded from initial work involving the polymerization using a nitroxyl mixed with a conventional initiator like dibenzoyl peroxide [2, p. 422] to chain end functionalization [3], through the development of well...

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