【摘要】 振动和噪声对工业生产、人类健康及国防安全等领域都会产生危害，阻尼材料可以吸收外部机械能，并将其转化为热能耗散掉，从而可以有效控制振动和噪声问题。目前应用最广泛的阻尼材料是高分子聚合物，常规聚氨酯(PU)材料由于具有阻尼温域窄、机械强度低及耐热性差等缺点，无法满足使用要求，因此可以通过制备互穿聚合物网络(IPNs)以及在IPNs中添加填料的方式来提高其阻尼性能、热稳定性能及机械性能等，以获得综合性能良好的结构阻尼材料。鉴于此，文章综述了PU基IPNs阻尼材料及添加填料的PU基IPNs阻尼材料的研究进展，并对其未来的研究方向提出了建议。更多还原

【Abstract】 Vibration and noise can cause harm in the fields of industrial production, human health and national defense security.Damping materials can effectively control vibration and noise by absorbing external mechanical energy and dissipating it into heat energy.Conventional polyurethane(PU) materials cannot meet the application requirements due to their shortcomings such as narrow damping temperature range, low mechanical strength and poor heat resistance.Therefore, the damping, thermal stability and mechanical properties can be improved by preparing interpenetrating polymer networks(IPNs) and adding fillers in IPNs, so as to obtain structural damping materials with good comprehensive performance.In view of this, this paper summarizes the research progress of PU-based IPNs damping materials and filler-added PU-based IPNs damping materials, and puts forward some suggestions for their future research direction.更多还原