Environmentally Friendly Bio-Based Vinyl Ester Resins for Military Composite Structures

Liquid resins used for molding composite structures a significant source of volatile organic compounds (VOC) and hazardous air pollutant (HAP) emissions. One method of reducing styrene emissions from vinyl ester (VE) resins is to replace some or all of the styrene with fatty acid-based monomers. The...

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Hauptverfasser:	La Scala, John J, Boyd, Steven E, McAninch, Ian, Sands, James M, Fudge, David, Andersen, Stephen, Gillespie, Jr , John, Bruce, Frank, Morgan, Dane, Patterson, Ken, Coulter, Lawrence, Foley, Maureen, Crane, Roger, Starks, Michael, Gomez, Jorge, Geng, Xing, Grous, Alexander, Palmese, Giuseppe R
Format:	Report
Sprache:	eng
Schlagworte:	COMPONENT REPORTS COMPOSITE MATERIALS COMPOSITE STRUCTURES FATTY ACID ESTERS FATTY ACID-BASED VINYL ESTER RESINS HMMWV(HIGH MOBILITY MULTIPURPOSE WHEELED VEHICLES) Laminates and Composite Materials Logistics, Military Facilities and Supplies MILITARY APPLICATIONS MONOMERS Plastics SYMPOSIA TEST METHODS VALIDATION VINYL ESTER RESINS VINYL PLASTICS
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Zusammenfassung:	Liquid resins used for molding composite structures a significant source of volatile organic compounds (VOC) and hazardous air pollutant (HAP) emissions. One method of reducing styrene emissions from vinyl ester (VE) resins is to replace some or all of the styrene with fatty acid-based monomers. These fatty acid vinyl ester resins allow for the formulation of high performance composite resins with no more than 25 wt% styrene. As a result, these resins are currently being demonstrated/validated for DoD use on Army tactical vehicles, including HMMWV hoods, HMMWV helmet hardtops, T-38 dorsal covers, and composite rudders for the Navy. Composite panel validation studies have been performed, showing that the fatty acid-based resins have sufficient, modulus, strength, glass transition temperature, and resistance to weathering. Demonstration parts have been prepared and are in the process of being validated for military use. See also ADM002187. Presented at the Army Science Conference (26th) held in Orlando, FL on 1-4 December 2008. The original document contains color images.