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Damping Properties of Flexible Epoxy Resin
【摘要】 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.
【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.
【Key words】 flexible epoxy； damping properties； amino-terminated polyethers； amino-terminated polyurethane；
- 【文献出处】 Journal of Wuhan University of Technology(Materials Science Edition) ,武汉理工大学学报(材料科学版)(英文版) , 编辑部邮箱 ,2008年03期
- 【分类号】TB302
- 【被引频次】5
- 【下载频次】93