马来酸酐对磁流变弹性体阻尼性能的影响

In this study, maleic anhydride (MA) was selected as the compatibilizer to modify the interfaces of magnetorheological elastomers (MREs) for improving the damping property. Several samples of MREs with different contents of MA were prepared. The content of bound-rubber was measured by the extraction method. The microstructures were observed by using an environmental scanning electron microscope (SEM). The dynamic performances of these samples, including storage shear modulus and loss factor were measured with a modified dynamic mechanical analyzer (DMA). The experimental results indicate that both the content of bound-rubber and the compatibility between the magnetic particles and rubber matrix were enhanced with the increase of MA. The enhancement of the bond between two interfaces resulted in different mechanical properties: the increasement of shear storage modulus; the reduction of the loss factor and the stability strengthening of the loss factor.