Damping properties of flexible epoxy resin

Xiang Wang; Hanxing Liu; Shixi Ouyang

doi:10.1007/s11595-007-3411-4

Journal of Wuhan University of Technology Materials Science Edition ›› 2008, Vol. 23 ›› Issue (3) : 411 -414. DOI: 10.1007/s11595-007-3411-4

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Damping properties of flexible epoxy resin

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Abstract

Amino-terminated polyethers and amino-terminated polyurethane were used as curing agent to cure the epoxy resin together and get a series of cured products. The damping properties of the composites were studied by DMA test at different measurement frequencies. Damping mechanical tests show that the flexible epoxy resin has higher loss factor than common epoxy. The highest loss factor reaches 1.57. Also the height and position of loss factor peak of the flexible epoxy resin varies by changing the content of amino-terminated polyethers. Results shows that the flexible epoxy resin can be used as damping polymer materials at room temperature or in common frequency range.

Keywords

flexible epoxy / damping properties / amino-terminated polyethers / amino-terminated polyurethane

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Xiang Wang, Hanxing Liu, Shixi Ouyang. Damping properties of flexible epoxy resin. Journal of Wuhan University of Technology Materials Science Edition, 2008, 23(3): 411-414 DOI:10.1007/s11595-007-3411-4

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