Analysis of Factors Influencing the Damping Performance of Polyurethane with Minimum Particles
SU Yi1, LI Ting2, LI Aiqun2,3
1 School of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China 2 School of Civil Engineering, Southeast University, Nanjing 210096, China 3 School of Civil Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
Abstract: Compared with nano particles, minimum particles are cheap and stable, which is an effective way to increase the damping performance of polyurethane materials and broaden the effective damping temperature range. To study the effects of minimum particles on the damping properties of polyurethane materials, the mechanical properties of polyurethane samples made of glass fiber, graphene, T-ZnOw and AO-80 were tested according to the orthogonal table of “four factors and three levels”. The experimental results show that the glass fiber and AO-80 have significant effect on increasing the peak of loss factor and broadening the large damping temperature range. Graphene can increase the peak of loss factor of polyurethane materials with very little content. T-ZnOw can increase the TA of polyurethane materials and widen the large damping temperature range, but with the increase of T-ZnOw content, the damping performance indexs are reduced. In addition, the design optimization of polyurethane materials was determined through analysis of extremely poor: 12 glass fibers, 0.3 T-ZnOw, 0.3 graphene and 18 AO-80 were added to 100 matrix materials.
苏毅, 李婷, 李爱群. 极小粒子增强聚氨酯阻尼性能的影响因素分析[J]. 材料导报, 2021, 35(4): 4205-4209.
SU Yi, LI Ting, LI Aiqun. Analysis of Factors Influencing the Damping Performance of Polyurethane with Minimum Particles. Materials Reports, 2021, 35(4): 4205-4209.
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2021, Vol. 35 
